FPUS55 KCYS 190045 ZFPCYS Zone Forecast Product for Southeast Wyoming and Western Nebraska Panhandle National Weather Service Cheyenne WY 644 PM MDT Sun May 18 2025 WYZ118-190800- Central Laramie County- Including the city of Cheyenne 644 PM MDT Sun May 18 2025 .TONIGHT...Mostly cloudy. A chance of showers with a slight chance of thunderstorms this evening, then a slight chance of showers after midnight. Some thunderstorms may produce damaging winds, large hail, and heavy rainfall this evening. Very windy with lows in the upper 30s. West winds 15 to 20 mph with gusts up to 30 mph, increasing to 25 to 35 mph with gusts up to 50 mph after midnight. Chance of rain 50 percent. .MONDAY...Partly sunny with a 40 percent chance of showers. Very windy with highs in the lower 50s. Northwest winds 30 to 35 mph with gusts up to 55 mph. .MONDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Windy with lows in the mid 30s. Northwest winds 20 to 30 mph with gusts up to 45 mph, diminishing to 15 to 20 mph with gusts up to 35 mph after midnight. .TUESDAY...Mostly sunny and windy. Highs in the lower 60s. Northwest winds 20 to 30 mph with gusts up to 45 mph. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 30s. Northwest winds 15 to 20 mph with gusts up to 35 mph, becoming west 5 to 10 mph after midnight. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear and breezy. Highs in the mid 60s. Lows in the mid 30s. .THURSDAY...Sunny. Highs in the lower 70s. .THURSDAY NIGHT...Partly cloudy with a chance of showers in the evening, then mostly clear after midnight. Lows in the lower 40s. Chance of rain 30 percent. .FRIDAY...Sunny. Highs in the lower 70s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. .SATURDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 30 percent. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. A chance of showers. Lows in the mid 40s. Highs around 70. Chance of rain 40 percent. $$ WYZ115-190800- Laramie Valley- Including the cities of Bosler and Laramie 644 PM MDT Sun May 18 2025 .TONIGHT...Mostly cloudy with a chance of rain showers. A slight chance of thunderstorms this evening, then a chance of snow showers after midnight. Some thunderstorms may produce heavy rainfall this evening. Breezy with lows in the mid 30s. West winds 15 to 25 mph with gusts up to 40 mph. Chance of precipitation 50 percent. .MONDAY...Mostly cloudy in the morning, then becoming partly sunny. A chance of rain showers. A chance of snow showers in the morning, then a slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Windy, cooler with highs in the upper 40s. Northwest winds 20 to 30 mph with gusts up to 50 mph. Chance of precipitation 50 percent. .MONDAY NIGHT...Mostly cloudy with a chance of rain and snow showers in the evening, then partly cloudy after midnight. Little or no snow accumulation. Breezy with lows in the lower 30s. Northwest winds 15 to 25 mph. Gusts up to 40 mph in the evening. Chance of precipitation 40 percent. .TUESDAY...Mostly sunny and windy. Not as cool with highs in the upper 50s. West winds 20 to 30 mph with gusts up to 45 mph. .TUESDAY NIGHT...Partly cloudy and breezy. Lows in the mid 30s. West winds 20 to 25 mph with gusts up to 40 mph, diminishing to 5 to 10 mph with gusts up to 20 mph after midnight. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear and breezy. Highs in the lower 60s. Lows in the mid 30s. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs around 70. Lows in the lower 40s. .FRIDAY...Sunny. Highs in the lower 70s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. .SATURDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 30 percent. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 40s. .SUNDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 40 percent. $$ NEZ019-190800- Scotts Bluff County- Including the cities of Scottsbluff and Gering 644 PM MDT Sun May 18 2025 .TONIGHT...Cloudy. Showers likely with a chance of thunderstorms this evening, then a chance of showers after midnight. Some thunderstorms may be severe with damaging winds, large hail, and heavy rainfall. Breezy with lows in the lower 40s. Southwest winds 10 to 15 mph with gusts up to 25 mph, increasing to west 20 to 25 mph with gusts up to 40 mph after midnight. Chance of rain 70 percent. .MONDAY...Mostly cloudy with a 50 percent chance of showers. Windy with highs in the lower 50s. Northwest winds 20 to 30 mph with gusts up to 50 mph. .MONDAY NIGHT...Mostly cloudy with a chance of rain showers in the evening, then partly cloudy after midnight. Windy with lows in the upper 30s. Northwest winds 20 to 30 mph. Gusts up to 45 mph in the evening. Chance of rain 30 percent. .TUESDAY...Mostly sunny and windy. Not as cool with highs in the mid 60s. Northwest winds 20 to 30 mph with gusts up to 45 mph. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 30s. North winds 15 to 20 mph with gusts up to 30 mph, becoming northwest around 5 mph after midnight. .WEDNESDAY...Sunny. A chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 30 percent. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows in the upper 30s. Highs in the lower 70s. .THURSDAY NIGHT...Partly cloudy with a chance of showers in the evening, then mostly clear after midnight. Lows in the mid 40s. Chance of rain 40 percent. .FRIDAY...Sunny. Highs in the mid 70s. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. A chance of showers. Lows in the upper 40s. Highs in the upper 70s. Chance of rain 30 percent. .SATURDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers. Lows in the upper 40s. Chance of rain 50 percent. .SUNDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 40 percent. $$ WYZ101-190800- Converse County Lower Elevations- Including the cities of Bill, Douglas, Deer Creek, and Glenrock 644 PM MDT Sun May 18 2025 .TONIGHT...A chance of showers and thunderstorms this evening, then showers likely after midnight. Some thunderstorms may produce heavy rainfall this evening. Breezy with lows in the upper 30s. East winds 10 to 15 mph with gusts up to 25 mph, increasing to north 20 to 25 mph with gusts up to 40 mph after midnight. Chance of rain 70 percent. .MONDAY...Rain showers. Windy and much cooler with highs in the lower 40s. Northwest winds 20 to 30 mph with gusts up to 45 mph. Chance of rain 90 percent. .MONDAY NIGHT...Mostly cloudy. A chance of rain showers in the evening. Lows in the mid 30s. Northwest winds 15 to 20 mph. Gusts up to 35 mph in the evening. Chance of rain 50 percent. .TUESDAY...Mostly sunny. A chance of rain showers in the afternoon. Not as cool with highs in the upper 50s. Northwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 30s. North winds 10 to 15 mph with gusts up to 25 mph, becoming west around 5 mph after midnight. .WEDNESDAY...Mostly sunny. A chance of rain showers in the afternoon. Highs in the lower 60s. Chance of rain 50 percent. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 30s. .THURSDAY...Mostly sunny. Warmer with highs in the lower 70s. .THURSDAY NIGHT...Partly cloudy with a chance of showers in the evening, then mostly clear after midnight. Lows in the lower 40s. Chance of rain 40 percent. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs in the upper 60s. Lows in the mid 40s. .SATURDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 30 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of showers in the evening, then partly cloudy after midnight. Lows in the mid 40s. Chance of rain 40 percent. .SUNDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 40 percent. $$ WYZ108-190800- Goshen County- Including the city of Torrington 644 PM MDT Sun May 18 2025 .TONIGHT...A chance of thunderstorms this evening. Cloudy with a chance of showers. Some thunderstorms may produce damaging winds, large hail, and heavy rainfall this evening. Breezy with lows around 40. Southwest winds 10 to 15 mph, increasing to northwest 20 to 25 mph with gusts up to 50 mph after midnight. Chance of rain 50 percent. .MONDAY...Mostly cloudy with a 50 percent chance of rain showers. Windy, cooler with highs in the upper 40s. Northwest winds 20 to 30 mph with gusts up to 50 mph. .MONDAY NIGHT...Mostly cloudy. A chance of rain showers in the evening. Breezy with lows in the mid 30s. Northwest winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 50 percent. .TUESDAY...Mostly sunny and breezy. Not as cool with highs in the lower 60s. Northwest winds 15 to 25 mph with gusts up to 40 mph. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. North winds 10 to 15 mph with gusts up to 30 mph, becoming northwest around 5 mph after midnight. .WEDNESDAY...Sunny. A chance of rain showers in the afternoon. Highs in the mid 60s. Chance of rain 50 percent. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows in the upper 30s. Highs in the lower 70s. .THURSDAY NIGHT...Partly cloudy with a chance of showers in the evening, then mostly clear after midnight. Lows in the mid 40s. Chance of rain 40 percent. .FRIDAY...Sunny. Highs in the lower 70s. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 40s. .SATURDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 40 percent. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. A chance of showers. Lows in the upper 40s. Highs in the lower 70s. Chance of rain 40 percent. $$ NEZ003-190800- Box Butte County- Including the cities of Alliance and Hemingford 644 PM MDT Sun May 18 2025 .TONIGHT...Showers with a chance of thunderstorms this evening, then showers likely with a slight chance of thunderstorms after midnight. Some thunderstorms may be severe with damaging winds, large hail, and heavy rainfall this evening. Some thunderstorms may produce heavy rainfall after midnight. Lows in the lower 40s. Southeast winds 15 to 20 mph, becoming northwest 10 to 15 mph after midnight. Chance of rain 90 percent. .MONDAY...Mostly cloudy with a 50 percent chance of showers. Windy with highs in the lower 50s. Northwest winds 15 to 25 mph, increasing to 25 to 30 mph in the afternoon. Gusts up to 45 mph. .MONDAY NIGHT...Mostly cloudy with a 40 percent chance of rain showers. Breezy with lows in the mid 30s. Northwest winds 20 to 25 mph with gusts up to 40 mph. .TUESDAY...Mostly sunny and windy. Highs in the upper 50s. Northwest winds 20 to 30 mph with gusts up to 45 mph. .TUESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 30s. North winds 15 to 20 mph with gusts up to 30 mph, becoming northwest around 5 mph after midnight. .WEDNESDAY...Mostly sunny. A chance of rain showers in the afternoon. Highs in the lower 60s. Chance of rain 40 percent. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows in the mid 30s. Highs in the upper 60s. .THURSDAY NIGHT...Partly cloudy with a chance of showers. Lows in the lower 40s. Chance of rain 50 percent. .FRIDAY...Mostly sunny. A chance of showers in the afternoon. Highs around 70. Chance of rain 30 percent. .FRIDAY NIGHT...Partly cloudy with a chance of showers in the evening, then mostly cloudy after midnight. Lows in the mid 40s. Chance of rain 30 percent. .SATURDAY...Partly sunny. A chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 30 percent. .SATURDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers. Lows in the upper 40s. Chance of rain 50 percent. .SUNDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 40 percent. $$ WYZ109-190800- Central Carbon County- Including the city of Rawlins 644 PM MDT Sun May 18 2025 .TONIGHT...Mostly cloudy. A chance of rain showers with a slight chance of thunderstorms this evening, then rain and snow showers likely after midnight. Some thunderstorms may produce heavy rainfall this evening. Snow accumulation up to 1 inch. Breezy with lows in the mid 30s. West winds 15 to 25 mph with gusts up to 40 mph. Chance of precipitation 70 percent. .MONDAY...Mostly cloudy with a chance of snow and rain showers. A slight chance of thunderstorms in the afternoon. Snow accumulation up to 1 inch possible. Total snow accumulation up to 2 inches. Cooler with highs in the mid 40s. Northwest winds 15 to 20 mph with gusts up to 35 mph. Chance of precipitation 50 percent. .MONDAY NIGHT...Mostly cloudy with a chance of rain showers in the evening, then partly cloudy after midnight. Lows in the lower 30s. West winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent. .TUESDAY...Sunny. A chance of rain showers in the afternoon. Breezy and not as cool with highs in the upper 50s. West winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 50 percent. .TUESDAY NIGHT...Partly cloudy and breezy. Lows in the mid 30s. West winds 20 to 25 mph with gusts up to 40 mph, diminishing to 5 to 10 mph after midnight. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear and breezy. Highs in the lower 60s. Lows in the mid 30s. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs in the lower 70s. Lows in the lower 40s. .FRIDAY...Sunny. Highs in the lower 70s. .FRIDAY NIGHT THROUGH SATURDAY NIGHT...Partly cloudy. Lows in the lower 40s. Highs in the mid 70s. .SUNDAY...Mostly sunny. Highs around 70. $$ NEZ002-190800- Dawes County- Including the cities of Chadron and Chadron St Park 644 PM MDT Sun May 18 2025 .TONIGHT...Showers. A chance of thunderstorms, mainly this evening. Some thunderstorms may produce heavy rainfall this evening. Some thunderstorms may produce heavy rainfall after midnight. Lows in the lower 40s. East winds 15 to 20 mph, becoming north after midnight. Gusts up to 35 mph. Chance of rain 90 percent. .MONDAY...Showers likely. Breezy, cooler with highs in the upper 40s. Northwest winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 70 percent. .MONDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Breezy with lows in the mid 30s. Northwest winds 15 to 25 mph with gusts up to 35 mph. .TUESDAY...Partly sunny with a 40 percent chance of rain showers. Breezy and not as cool with highs in the upper 50s. Northwest winds 15 to 25 mph with gusts up to 40 mph. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 30s. North winds 10 to 15 mph with gusts up to 30 mph, becoming west around 5 mph after midnight. .WEDNESDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 60s. Chance of rain 50 percent. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows in the mid 30s. Highs in the upper 60s. .THURSDAY NIGHT...Partly cloudy with a chance of showers. Lows in the mid 40s. Chance of rain 50 percent. .FRIDAY...Mostly sunny with a 30 percent chance of showers. Highs in the upper 60s. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A 40 percent chance of showers. Lows in the mid 40s. .SATURDAY...Partly sunny. A chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 40 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 40s. Chance of rain 50 percent. .SUNDAY...Mostly sunny with a chance of showers. Highs around 70. Chance of rain 40 percent. $$ NEZ055-190800- Cheyenne County- Including the cities of Sidney and Brownson 644 PM MDT Sun May 18 2025 .TONIGHT...Mostly cloudy. Showers likely with a chance of thunderstorms this evening, then a chance of showers after midnight. Some thunderstorms may be severe with damaging winds, large hail, and heavy rainfall. Breezy with lows in the lower 40s. Northwest winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 70 percent. .MONDAY...Partly sunny with a 20 percent chance of showers. Very windy with highs in the mid 50s. Northwest winds 25 to 35 mph with gusts up to 50 mph. .MONDAY NIGHT...Partly cloudy and windy. Lows in the mid 30s. Northwest winds 20 to 30 mph with gusts up to 45 mph. .TUESDAY...Mostly sunny and windy. Highs in the mid 60s. Northwest winds 20 to 30 mph with gusts up to 45 mph. .TUESDAY NIGHT...Mostly clear. Lows in the mid 30s. North winds 15 to 20 mph with gusts up to 35 mph, becoming northwest 5 to 10 mph after midnight. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the mid 60s. Lows in the mid 30s. .THURSDAY...Sunny. Highs in the lower 70s. .THURSDAY NIGHT...Partly cloudy with a chance of showers. Lows in the lower 40s. Chance of rain 50 percent. .FRIDAY...Sunny. Highs in the mid 70s. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. A chance of showers. Lows in the mid 40s. Highs in the lower 70s. Chance of rain 30 percent. .SATURDAY NIGHT...Mostly cloudy. A chance of showers. Lows in the upper 40s. Chance of rain 50 percent. .SUNDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 30 percent. $$ NEZ054-190800- Kimball County- Including the city of Kimball 644 PM MDT Sun May 18 2025 .TONIGHT...Mostly cloudy. A chance of showers and thunderstorms this evening, then a slight chance of showers after midnight. Some thunderstorms may be severe with damaging winds, large hail, and heavy rainfall. Windy with lows around 40. Northwest winds 10 to 15 mph with gusts up to 25 mph, increasing to west 20 to 30 mph with gusts up to 45 mph after midnight. Chance of rain 50 percent. .MONDAY...Partly sunny with a 20 percent chance of showers. Very windy with highs in the mid 50s. Northwest winds 25 to 35 mph with gusts up to 55 mph. .MONDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Windy with lows in the mid 30s. Northwest winds 20 to 30 mph. Gusts up to 45 mph in the evening. .TUESDAY...Sunny, windy with highs in the mid 60s. Northwest winds 20 to 30 mph with gusts up to 45 mph. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 30s. North winds 15 to 20 mph with gusts up to 30 mph, becoming northwest 5 to 10 mph after midnight. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the upper 60s. Lows in the mid 30s. .THURSDAY...Sunny. Highs in the lower 70s. .THURSDAY NIGHT...Partly cloudy with a chance of showers in the evening, then mostly clear after midnight. Lows in the lower 40s. Chance of rain 40 percent. .FRIDAY...Sunny. Highs in the mid 70s. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 40s. .SATURDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 30 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of showers in the evening, then partly cloudy after midnight. Lows in the mid 40s. Chance of rain 50 percent. .SUNDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 40 percent. $$ WYZ107-190800- East Platte County- Including the cities of Wheatland and Guernsey 644 PM MDT Sun May 18 2025 .TONIGHT...Showers likely with a chance of thunderstorms this evening, then a chance of showers after midnight. Some thunderstorms may produce heavy rainfall this evening. Windy with lows in the lower 40s. West winds 10 to 15 mph, increasing to northwest 25 to 30 mph with gusts up to 50 mph after midnight. Chance of rain 70 percent. .MONDAY...Mostly cloudy with a 50 percent chance of showers. Windy, cooler with highs in the upper 40s. Northwest winds 25 to 30 mph with gusts up to 50 mph. .MONDAY NIGHT...Mostly cloudy. A chance of rain showers in the evening. Breezy with lows in the upper 30s. Northwest winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 50 percent. .TUESDAY...Mostly sunny. A chance of showers in the afternoon. Breezy and not as cool with highs in the lower 60s. Northwest winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 40 percent. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. North winds 15 to 20 mph with gusts up to 30 mph, becoming west 5 to 10 mph after midnight. .WEDNESDAY...Sunny. A chance of showers in the afternoon. Highs in the mid 60s. Chance of rain 50 percent. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows in the upper 30s. Highs in the lower 70s. .THURSDAY NIGHT...Partly cloudy with a chance of showers in the evening, then mostly clear after midnight. Lows in the mid 40s. Chance of rain 40 percent. .FRIDAY...Sunny. Highs in the lower 70s. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 40s. .SATURDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 30 percent. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. A chance of showers. Lows in the upper 40s. Highs around 70. Chance of rain 40 percent. $$ WYZ102-190800- Niobrara County- Including the cities of Lusk and Redbird 644 PM MDT Sun May 18 2025 .TONIGHT...Showers likely with a chance of thunderstorms this evening, then showers after midnight. Some thunderstorms may produce heavy rainfall this evening. Lows in the upper 30s. East winds 15 to 20 mph, becoming north after midnight. Gusts up to 35 mph. Chance of rain 90 percent. .MONDAY...Rain showers. Breezy and much cooler with highs in the mid 40s. Northwest winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 90 percent. .MONDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Breezy with lows in the mid 30s. Northwest winds 15 to 25 mph with gusts up to 40 mph. .TUESDAY...Mostly sunny. A chance of rain showers in the afternoon. Breezy and not as cool with highs in the upper 50s. Northwest winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 40 percent. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 30s. Northwest winds 15 to 20 mph with gusts up to 30 mph, becoming west 5 to 10 mph after midnight. .WEDNESDAY...Mostly sunny. A chance of rain showers and thunderstorms in the afternoon. Highs in the lower 60s. Chance of rain 50 percent. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows in the mid 30s. Highs in the upper 60s. .THURSDAY NIGHT...Partly cloudy with a chance of showers. Lows in the lower 40s. Chance of rain 50 percent. .FRIDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 30 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 40s. .SATURDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 40 percent. .SATURDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers. Lows in the mid 40s. Chance of rain 50 percent. .SUNDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 40 percent. $$ WYZ113-190800- Upper North Platte River Basin- Including the cities of Saratoga and Encampment 644 PM MDT Sun May 18 2025 .TONIGHT...Mostly cloudy. A chance of rain showers with a slight chance of thunderstorms this evening, then rain and snow showers likely after midnight. Some thunderstorms may produce heavy rainfall this evening. Snow accumulation up to 1 inch. Cold with lows in the lower 30s. West winds 15 to 20 mph with gusts up to 35 mph. Chance of precipitation 70 percent. .MONDAY...Mostly cloudy. Snow and rain showers likely in the morning, then a chance of rain showers, snow showers with a slight chance of thunderstorms in the afternoon. Snow accumulation up to 1 inch. Total snow accumulation up to 2 inches. Cooler with highs in the upper 40s. West winds 15 to 20 mph with gusts up to 35 mph. Chance of precipitation 70 percent. .MONDAY NIGHT...Mostly cloudy with a chance of rain and snow showers in the evening, then partly cloudy after midnight. Little or no snow accumulation. Cold with lows in the lower 30s. West winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 40 percent. .TUESDAY...Mostly sunny. A chance of rain showers in the afternoon. Breezy with highs in the mid 50s. West winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy and breezy. Lows in the lower 30s. West winds 20 to 25 mph with gusts up to 35 mph, becoming southwest 5 to 10 mph after midnight. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear and breezy. Highs in the lower 60s. Lows in the mid 30s. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs in the lower 70s. Lows around 40. .FRIDAY...Sunny. Highs in the lower 70s. .FRIDAY NIGHT THROUGH SATURDAY NIGHT...Partly cloudy. Lows in the lower 40s. Highs in the mid 70s. .SUNDAY...Sunny. Highs around 70. $$ WYZ119-190800- East Laramie County- Including the city of Pine Bluffs 644 PM MDT Sun May 18 2025 .TONIGHT...Mostly cloudy. A chance of showers and thunderstorms this evening, then a slight chance of showers after midnight. Some thunderstorms may be severe with damaging winds, large hail, and heavy rainfall. Windy with lows in the upper 30s. West winds 10 to 15 mph, increasing to 20 to 30 mph with gusts up to 45 mph after midnight. Chance of rain 50 percent. .MONDAY...Partly sunny with a 20 percent chance of showers. Very windy with highs in the mid 50s. Northwest winds 25 to 35 mph with gusts up to 55 mph. .MONDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Windy with lows in the mid 30s. Northwest winds 20 to 30 mph with gusts up to 45 mph, diminishing to 15 to 20 mph with gusts up to 35 mph after midnight. .TUESDAY...Mostly sunny and windy. Highs in the lower 60s. Northwest winds 20 to 30 mph with gusts up to 45 mph. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. Northwest winds 15 to 20 mph with gusts up to 30 mph, becoming west 5 to 10 mph after midnight. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the mid 60s. Lows in the mid 30s. .THURSDAY...Sunny. Highs in the lower 70s. .THURSDAY NIGHT...Partly cloudy with a chance of showers in the evening, then mostly clear after midnight. Lows in the lower 40s. Chance of rain 40 percent. .FRIDAY...Sunny. Highs in the lower 70s. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 40s. .SATURDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 30 percent. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. A chance of showers. Lows in the mid 40s. Highs in the lower 70s. Chance of rain 40 percent. $$ WYZ111-190800- Southwest Carbon County- Including the city of Baggs 644 PM MDT Sun May 18 2025 .TONIGHT...Mostly cloudy with a chance of rain showers. A slight chance of thunderstorms this evening, then a chance of snow showers after midnight. Some thunderstorms may produce heavy rainfall this evening. Little or no snow accumulation. Breezy, cold with lows in the lower 30s. West winds 15 to 25 mph with gusts up to 35 mph. Chance of precipitation 50 percent. .MONDAY...A chance of snow showers in the morning. Mostly cloudy with a chance of rain showers. Little or no snow accumulation. Highs in the lower 50s. Northwest winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 50 percent. .MONDAY NIGHT...Mostly cloudy in the evening, then clearing. Cold with lows around 30. West winds 15 to 20 mph with gusts up to 30 mph. .TUESDAY...Mostly sunny. Highs in the lower 60s. West winds 15 to 20 mph. Gusts up to 35 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 30s. West winds 15 to 20 mph with gusts up to 35 mph, diminishing to 5 to 10 mph after midnight. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the mid 60s. Lows in the mid 30s. .THURSDAY...Sunny, warmer with highs in the mid 70s. .THURSDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 40. .FRIDAY...Sunny. Highs in the mid 70s. .FRIDAY NIGHT THROUGH SATURDAY NIGHT...Partly cloudy. Lows in the lower 40s. Highs in the upper 70s. .SUNDAY...Sunny. Highs in the lower 70s. $$ WYZ117-190800- South Laramie Range Foothills- Including the cities of Whitaker, Federal, and Horse Creek 644 PM MDT Sun May 18 2025 .TONIGHT...Mostly cloudy. A chance of showers with a slight chance of thunderstorms this evening, then a slight chance of showers after midnight. Some thunderstorms may produce heavy rainfall this evening. Very windy with lows in the upper 30s. West winds 20 to 25 mph with gusts up to 35 mph, increasing to 30 to 40 mph with gusts up to 60 mph after midnight. Chance of rain 50 percent. .MONDAY...Partly sunny with a 40 percent chance of showers. Very windy with highs in the lower 50s. Northwest winds 30 to 35 mph with gusts up to 60 mph. .MONDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Windy with lows in the mid 30s. Northwest winds 20 to 30 mph with gusts up to 45 mph. .TUESDAY...Sunny, windy with highs in the upper 50s. Northwest winds 20 to 30 mph with gusts up to 50 mph. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Breezy with lows in the mid 30s. Northwest winds 20 to 25 mph with gusts up to 40 mph, becoming west around 10 mph with gusts up to 20 mph after midnight. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear and breezy. Highs in the lower 60s. Lows in the mid 30s. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs around 70. Lows in the lower 40s. .FRIDAY...Sunny. Highs in the lower 70s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. .SATURDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 30 percent. .SATURDAY NIGHT...Partly cloudy. A chance of showers in the evening. Lows in the mid 40s. Chance of rain 30 percent. .SUNDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 40 percent. $$ NEZ021-190800- Morrill County- Including the cities of Angora, Bridgeport, Bayard, and Redington 644 PM MDT Sun May 18 2025 .TONIGHT...Mostly cloudy. Showers with a chance of thunderstorms this evening, then a chance of showers with a slight chance of thunderstorms after midnight. Some thunderstorms may be severe with damaging winds, large hail, and heavy rainfall. Breezy with lows in the lower 40s. South winds 20 to 25 mph, becoming west 15 to 20 mph after midnight. Chance of rain 90 percent. .MONDAY...Mostly cloudy in the morning, then becoming partly sunny. A 40 percent chance of showers. Windy with highs in the mid 50s. Northwest winds 20 to 30 mph with gusts up to 45 mph. .MONDAY NIGHT...Mostly cloudy with a chance of rain showers in the evening, then partly cloudy after midnight. Windy with lows in the upper 30s. Northwest winds 20 to 30 mph with gusts up to 45 mph. Chance of rain 30 percent. .TUESDAY...Mostly sunny and windy. Highs in the lower 60s. Northwest winds 20 to 30 mph with gusts up to 45 mph. .TUESDAY NIGHT...Mostly clear. Lows in the upper 30s. North winds 15 to 20 mph with gusts up to 35 mph, becoming northwest around 5 mph after midnight. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the mid 60s. Lows in the upper 30s. .THURSDAY...Sunny. Highs around 70. .THURSDAY NIGHT...Partly cloudy with a chance of showers. Lows in the mid 40s. Chance of rain 50 percent. .FRIDAY...Sunny. Highs in the lower 70s. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. A chance of showers. Lows in the mid 40s. Highs in the mid 70s. Chance of rain 30 percent. .SATURDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers. Lows in the upper 40s. Chance of rain 50 percent. .SUNDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 40 percent. $$ NEZ095-190800- Northern Sioux County- Including the city of Harrison 644 PM MDT Sun May 18 2025 .TONIGHT...Showers with a chance of thunderstorms this evening, then showers likely after midnight. Some thunderstorms may produce heavy rainfall this evening. Lows in the upper 30s. East winds 10 to 15 mph, becoming north 15 to 20 mph after midnight. Gusts up to 35 mph. Chance of rain 90 percent. .MONDAY...Rain showers likely. Breezy, cooler with highs in the mid 40s. Northwest winds 20 to 25 mph with gusts up to 45 mph. Chance of rain 70 percent. .MONDAY NIGHT...Mostly cloudy with a chance of rain showers. A chance of snow showers after midnight. Breezy with lows in the lower 30s. Northwest winds 15 to 25 mph with gusts up to 40 mph. Chance of precipitation 50 percent. .TUESDAY...Mostly sunny. A chance of rain showers in the afternoon. Breezy and not as cool with highs in the upper 50s. Northwest winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 30s. North winds 15 to 20 mph with gusts up to 30 mph, becoming west 5 to 10 mph after midnight. .WEDNESDAY...Mostly sunny. A chance of rain showers and thunderstorms in the afternoon. Highs in the lower 60s. Chance of rain 50 percent. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows in the mid 30s. Highs in the upper 60s. .THURSDAY NIGHT...Partly cloudy with a chance of showers. Lows in the lower 40s. Chance of rain 50 percent. .FRIDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 30 percent. .FRIDAY NIGHT...Partly cloudy with a chance of showers in the evening, then mostly cloudy after midnight. Lows in the mid 40s. Chance of rain 30 percent. .SATURDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 40 percent. .SATURDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers. Lows in the mid 40s. Chance of rain 50 percent. .SUNDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 40 percent. $$ WYZ116-190800- South Laramie Range- Including the cities of Buford, Pumpkin Vine, and Vedauwoo 644 PM MDT Sun May 18 2025 .TONIGHT...Mostly cloudy with a chance of rain showers. A slight chance of thunderstorms this evening, then a chance of snow showers after midnight. Some thunderstorms may produce heavy rainfall this evening. Little or no snow accumulation. Very windy with lows in the mid 30s. West winds 20 to 25 mph with gusts up to 45 mph, increasing to 30 to 40 mph with gusts up to 65 mph after midnight. Chance of precipitation 50 percent. .MONDAY...Mostly cloudy in the morning, then becoming partly sunny. A chance of snow showers with a slight chance of rain showers. A slight chance of thunderstorms in the afternoon. Snow accumulation up to 1 inch possible. Very windy with highs in the mid 40s. Northwest winds 30 to 40 mph. Gusts up to 65 mph, decreasing to 55 mph in the afternoon. Chance of precipitation 50 percent. .MONDAY NIGHT...Mostly cloudy with a chance of rain and snow showers in the evening, then partly cloudy after midnight. Little or no snow accumulation. Windy with lows in the mid 30s. Northwest winds 25 to 30 mph with gusts up to 50 mph. Chance of precipitation 40 percent. .TUESDAY...Sunny and very windy. Highs in the lower 50s. West winds 25 to 35 mph with gusts up to 55 mph. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Breezy with lows in the mid 30s. West winds 20 to 25 mph with gusts up to 40 mph, diminishing to 10 to 15 mph after midnight. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear and windy. Highs in the upper 50s. Lows in the mid 30s. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs in the mid 60s. Lows in the lower 40s. .FRIDAY...Sunny. Highs in the upper 60s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. .SATURDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 30 percent. .SATURDAY NIGHT...Partly cloudy with a chance of showers in the evening, then mostly clear after midnight. Lows in the lower 40s. Chance of rain 30 percent. .SUNDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the mid 60s. Chance of rain 40 percent. $$ WYZ110-190800- North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 644 PM MDT Sun May 18 2025 .TONIGHT...Mostly cloudy. A chance of rain showers with a slight chance of thunderstorms this evening, then rain and snow showers likely after midnight. Some thunderstorms may produce heavy rainfall this evening. Snow accumulation up to 1 inch. Windy with lows in the mid 30s. West winds 20 to 30 mph with gusts up to 45 mph. Chance of precipitation 70 percent. .MONDAY...Mostly cloudy with a chance of snow and rain showers. A slight chance of thunderstorms in the afternoon. Snow accumulation up to 1 inch possible. Windy and much cooler with highs in the lower 40s. West winds 20 to 30 mph with gusts up to 45 mph. Chance of precipitation 50 percent. .MONDAY NIGHT...Mostly cloudy with a chance of rain and snow showers. Little or no snow accumulation. Total snow accumulation up to 3 inches. Breezy with lows in the mid 30s. West winds 15 to 25 mph with gusts up to 35 mph. Chance of precipitation 50 percent. .TUESDAY...Mostly sunny. A chance of rain showers in the afternoon. Windy and not as cool with highs in the mid 50s. West winds 20 to 30 mph with gusts up to 45 mph. Chance of rain 40 percent. .TUESDAY NIGHT...Partly cloudy and breezy. Lows in the mid 30s. West winds 20 to 25 mph with gusts up to 40 mph, diminishing to 10 to 15 mph with gusts up to 25 mph after midnight. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear and breezy. Highs around 60. Lows in the mid 30s. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs around 70. Lows in the lower 40s. .FRIDAY...Sunny. Highs in the upper 60s. .FRIDAY NIGHT THROUGH SATURDAY NIGHT...Partly cloudy. Lows in the mid 40s. Highs in the lower 70s. .SUNDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 30 percent. $$ WYZ106-190800- Central Laramie Range and Southwest Platte County- Including the city of Bordeaux 644 PM MDT Sun May 18 2025 .TONIGHT...A slight chance of thunderstorms this evening. Mostly cloudy with a chance of showers. Some thunderstorms may produce heavy rainfall this evening. Very windy with lows around 40. West winds 20 to 25 mph with gusts up to 40 mph, increasing to 25 to 35 mph with gusts up to 60 mph after midnight. Chance of rain 50 percent. .MONDAY...A chance of snow showers in the morning. Mostly cloudy with a chance of rain showers. Very windy and cooler with highs in the upper 40s. Northwest winds 25 to 35 mph with gusts up to 60 mph. Chance of precipitation 50 percent. .MONDAY NIGHT...Mostly cloudy. A chance of rain and snow showers in the evening. Windy with lows in the upper 30s. Northwest winds 20 to 30 mph. Gusts up to 50 mph, decreasing to 40 mph after midnight. Chance of precipitation 40 percent. .TUESDAY...Mostly sunny. A chance of rain showers in the afternoon. Windy and not as cool with highs around 60. Northwest winds 20 to 30 mph with gusts up to 50 mph. Chance of rain 40 percent. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Breezy with lows in the upper 30s. Northwest winds 20 to 25 mph with gusts up to 40 mph, becoming west 5 to 10 mph with gusts up to 20 mph after midnight. .WEDNESDAY...Sunny. A chance of rain showers in the afternoon. Breezy with highs in the lower 60s. Chance of rain 40 percent. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 30s. .THURSDAY...Mostly sunny. Highs in the lower 70s. .THURSDAY NIGHT...Partly cloudy with a chance of showers in the evening, then mostly clear after midnight. Lows in the mid 40s. Chance of rain 30 percent. .FRIDAY...Sunny. Highs in the lower 70s. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 40s. .SATURDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 30 percent. .SATURDAY NIGHT...Partly cloudy. A chance of showers in the evening. Lows in the upper 40s. Chance of rain 30 percent. .SUNDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 40 percent. $$ NEZ020-190800- Banner County- Including the city of Harrisburg 644 PM MDT Sun May 18 2025 .TONIGHT...Mostly cloudy. Showers likely with a chance of thunderstorms this evening, then a chance of showers after midnight. Some thunderstorms may be severe with damaging winds, large hail, and heavy rainfall. Windy with lows around 40. West winds 10 to 15 mph, increasing to 20 to 30 mph with gusts up to 45 mph after midnight. Chance of rain 70 percent. .MONDAY...Mostly cloudy in the morning, then becoming partly sunny. A 40 percent chance of showers. Very windy with highs in the lower 50s. Northwest winds 25 to 35 mph with gusts up to 55 mph. .MONDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Windy with lows in the mid 30s. Northwest winds 20 to 30 mph with gusts up to 45 mph. .TUESDAY...Mostly sunny and windy. Highs in the lower 60s. Northwest winds 20 to 30 mph with gusts up to 45 mph. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 30s. North winds 15 to 20 mph with gusts up to 30 mph, becoming west 5 to 10 mph after midnight. .WEDNESDAY...Sunny. A chance of showers in the afternoon. Highs in the mid 60s. Chance of rain 30 percent. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows in the mid 30s. Highs in the lower 70s. .THURSDAY NIGHT...Partly cloudy with a chance of showers in the evening, then mostly clear after midnight. Lows in the lower 40s. Chance of rain 40 percent. .FRIDAY...Sunny. Highs in the lower 70s. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. A chance of showers. Lows in the mid 40s. Highs in the mid 70s. Chance of rain 30 percent. .SATURDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers. Lows in the upper 40s. Chance of rain 50 percent. .SUNDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 40 percent. $$ WYZ114-190800- Snowy Range- Including the cities of Centennial and Albany 644 PM MDT Sun May 18 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 AM MDT TUESDAY... .TONIGHT...Snow showers likely with possible rain showers and thunderstorms this evening, then snow and rain showers likely after midnight. Some thunderstorms may produce heavy rainfall this evening. Snow accumulation of 1 to 3 inches. Windy, cold with lows in the upper 20s. West winds 20 to 30 mph with gusts up to 45 mph. Chance of precipitation 70 percent. .MONDAY...Mostly cloudy. Snow showers likely in the morning, then a chance of snow showers, rain showers with a slight chance of thunderstorms in the afternoon. Additional snow accumulation of 1 to 3 inches. Breezy, cooler with highs around 40. West winds 15 to 25 mph with gusts up to 45 mph. Chance of precipitation 70 percent. .MONDAY NIGHT...A chance of rain showers in the evening. Mostly cloudy with a chance of snow showers. Additional snow accumulation around an inch possible. Total snow accumulation up to 11 inches. Breezy, cold with lows in the mid 20s. West winds 15 to 25 mph with gusts up to 40 mph. Chance of precipitation 50 percent. .TUESDAY...Mostly sunny. A chance of rain and snow showers in the afternoon. Little or no additional snow accumulation. Windy with highs in the upper 40s. West winds 20 to 30 mph with gusts up to 45 mph. Chance of precipitation 40 percent. .TUESDAY NIGHT...Partly cloudy. A chance of snow showers in the evening. Little or no snow accumulation. Breezy, cold with lows in the upper 20s. West winds 20 to 25 mph with gusts up to 45 mph, diminishing to 10 to 15 mph with gusts up to 25 mph after midnight. Chance of snow 30 percent. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear and breezy. Highs in the mid 50s. Lows around 30. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs in the mid 60s. Lows in the mid 30s. .FRIDAY...Sunny. Highs in the mid 60s. .FRIDAY NIGHT THROUGH SATURDAY NIGHT...Partly cloudy. Lows in the upper 30s. Highs in the upper 60s. .SUNDAY...Mostly sunny. A chance of rain showers in the afternoon. Highs in the lower 60s. Chance of rain 30 percent. $$ WYZ104-190800- Ferris/Seminoe/Shirley Mountains- Including the city of Seminoe Dam 644 PM MDT Sun May 18 2025 .TONIGHT...Rain showers likely. A slight chance of thunderstorms this evening, then snow showers after midnight. Some thunderstorms may produce heavy rainfall this evening. Snow accumulation up to 1 inch. Lows in the mid 30s. West winds 15 to 20 mph with gusts up to 35 mph. Chance of precipitation 90 percent. .MONDAY...Mostly cloudy with a chance of rain and snow showers. Snow accumulation up to 1 inch possible. Much cooler with highs in the lower 40s. Northwest winds 15 to 20 mph with gusts up to 35 mph. Chance of precipitation 50 percent. .MONDAY NIGHT...Mostly cloudy with a chance of rain and snow showers. Snow accumulation up to 1 inch possible. Total snow accumulation up to 6 inches. Lows in the mid 30s. West winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 50 percent. .TUESDAY...Mostly sunny. A chance of rain showers in the afternoon. Breezy and not as cool with highs in the upper 50s. West winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 50 percent. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 30s. West winds 15 to 20 mph with gusts up to 35 mph, diminishing to 5 to 10 mph after midnight. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs around 60. Lows in the upper 30s. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs in the lower 70s. Lows in the lower 40s. .FRIDAY...Sunny. Highs in the upper 60s. .FRIDAY NIGHT THROUGH SATURDAY NIGHT...Partly cloudy. Lows in the mid 40s. Highs in the mid 70s. .SUNDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 30 percent. $$ WYZ105-190800- Shirley Basin- Including the cities of Medicine Bow and Shirley Basin 644 PM MDT Sun May 18 2025 .TONIGHT...Mostly cloudy. A chance of rain showers and thunderstorms this evening, then rain showers likely after midnight. Some thunderstorms may produce heavy rainfall this evening. Lows in the mid 30s. West winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 70 percent. .MONDAY...Mostly cloudy with a chance of rain showers. A chance of snow showers in the morning, then snow showers likely in the afternoon. Snow accumulation up to 1 inch. Breezy and much cooler with highs in the lower 40s. Northwest winds 15 to 25 mph with gusts up to 45 mph. Chance of precipitation 70 percent. .MONDAY NIGHT...Mostly cloudy. A chance of rain and snow showers in the evening. Little or no snow accumulation. Cold with lows in the lower 30s. Northwest winds 15 to 20 mph. Gusts up to 35 mph in the evening. Chance of precipitation 50 percent. .TUESDAY...Mostly sunny. A chance of rain showers in the afternoon. Breezy and not as cool with highs in the mid 50s. West winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 50 percent. .TUESDAY NIGHT...Partly cloudy. Cold with lows in the lower 30s. West winds 15 to 20 mph with gusts up to 35 mph, diminishing to 5 to 10 mph after midnight. .WEDNESDAY...Sunny. A chance of rain showers in the afternoon. Highs around 60. Chance of rain 40 percent. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 30s. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs around 70. Lows in the upper 30s. .FRIDAY...Sunny. Highs in the upper 60s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. .SATURDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 30 percent. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 40s. .SUNDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 40 percent. $$ WYZ103-190800- North Laramie Range- Including the city of Garrett 644 PM MDT Sun May 18 2025 .TONIGHT...A chance of rain showers and thunderstorms this evening, then rain and snow showers likely after midnight. Some thunderstorms may produce heavy rainfall this evening. Snow accumulation up to 1 inch. Breezy with lows in the mid 30s. West winds 10 to 15 mph with gusts up to 30 mph, increasing to northwest 20 to 25 mph with gusts up to 45 mph after midnight. Chance of precipitation 70 percent. .MONDAY...Snow showers likely. Rain showers likely, mainly in the morning. Snow accumulation around an inch. Windy and much cooler. Near steady temperature in the upper 30s. Northwest winds 20 to 30 mph with gusts up to 50 mph. Chance of precipitation 70 percent. .MONDAY NIGHT...Mostly cloudy. A chance of rain and snow showers in the evening. Additional snow accumulation up to 1 inch possible. Total snow accumulation up to 8 inches. Breezy. Near steady temperature in the mid 30s. Northwest winds 15 to 25 mph with gusts up to 40 mph. Chance of precipitation 50 percent. .TUESDAY...Mostly sunny. A chance of rain showers in the afternoon. Breezy and not as cool with highs in the mid 50s. Northwest winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 50 percent. .TUESDAY NIGHT...Partly cloudy with a chance of rain showers, thunderstorms and snow showers in the evening, then mostly clear after midnight. Little or no snow accumulation. Lows in the mid 30s. Northwest winds 15 to 20 mph with gusts up to 35 mph, becoming west 5 to 10 mph with gusts up to 20 mph after midnight. Chance of precipitation 30 percent. .WEDNESDAY...Sunny. A chance of snow showers in the morning, then a chance of rain showers in the afternoon. Highs in the mid 50s. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 30s. .THURSDAY...Mostly sunny. Warmer with highs in the upper 60s. .THURSDAY NIGHT...Partly cloudy with a chance of showers in the evening, then mostly clear after midnight. Lows in the lower 40s. Chance of rain 30 percent. .FRIDAY...Sunny. A chance of showers in the afternoon. Highs in the mid 60s. Chance of rain 30 percent. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. .SATURDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 40 percent. .SATURDAY NIGHT...Partly cloudy. A chance of showers in the evening. Lows in the mid 40s. Chance of rain 30 percent. .SUNDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the mid 60s. Chance of rain 40 percent. $$ WYZ112-190800- Sierra Madre Range- 644 PM MDT Sun May 18 2025 .TONIGHT...A slight chance of thunderstorms this evening. Rain and snow showers likely. Some thunderstorms may produce heavy rainfall this evening. Snow accumulation around an inch. Breezy, cold with lows around 30. West winds 15 to 25 mph with gusts up to 40 mph. Chance of precipitation 70 percent. .MONDAY...Snow showers likely in the morning, then a chance of snow showers, rain showers with a slight chance of thunderstorms in the afternoon. Additional snow accumulation around an inch. Cooler with highs in the mid 40s. West winds 15 to 20 mph with gusts up to 35 mph. Chance of precipitation 70 percent. .MONDAY NIGHT...Mostly cloudy with a chance of rain and snow showers in the evening, then partly cloudy after midnight. Additional snow accumulation up to 1 inch possible. Total snow accumulation up to 9 inches. Cold with lows in the upper 20s. West winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 40 percent. .TUESDAY...Mostly sunny. A chance of rain and snow showers in the afternoon. Little or no snow accumulation. Breezy with highs in the lower 50s. West winds 15 to 25 mph with gusts up to 35 mph. Chance of precipitation 40 percent. .TUESDAY NIGHT...Partly cloudy. A chance of snow showers in the evening. Little or no snow accumulation. Cold with lows in the lower 30s. West winds 15 to 20 mph with gusts up to 35 mph, becoming southwest 5 to 10 mph after midnight. Chance of snow 30 percent. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the mid 50s. Lows in the mid 30s. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs in the mid 60s. Lows in the upper 30s. .FRIDAY...Sunny. Highs in the mid 60s. .FRIDAY NIGHT THROUGH SATURDAY NIGHT...Partly cloudy. Lows in the lower 40s. Highs around 70. .SUNDAY...Sunny. Highs in the mid 60s. $$ NEZ096-190800- Southern Sioux County- Including the city of Agate 644 PM MDT Sun May 18 2025 .TONIGHT...Showers likely with a chance of thunderstorms this evening, then showers likely after midnight. Some thunderstorms may produce damaging winds, large hail, and heavy rainfall this evening. Lows around 40. South winds 10 to 15 mph, becoming northwest 15 to 20 mph after midnight. Chance of rain 70 percent. .MONDAY...Mostly cloudy with a 50 percent chance of showers. Windy with highs in the upper 40s. Northwest winds 20 to 30 mph with gusts up to 45 mph. .MONDAY NIGHT...Mostly cloudy. A chance of rain showers in the evening. Windy with lows in the mid 30s. Northwest winds 20 to 30 mph. Gusts up to 45 mph in the evening. Chance of rain 40 percent. .TUESDAY...Mostly sunny and breezy. Not as cool with highs in the lower 60s. Northwest winds 15 to 25 mph with gusts up to 45 mph. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 30s. North winds 15 to 20 mph with gusts up to 30 mph, becoming northwest around 5 mph after midnight. .WEDNESDAY...Sunny. A chance of rain showers and thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 40 percent. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows in the mid 30s. Highs in the lower 70s. .THURSDAY NIGHT...Partly cloudy in the evening, then clearing. A chance of showers. Lows in the mid 40s. Chance of rain 50 percent. .FRIDAY...Sunny. Highs in the lower 70s. .FRIDAY NIGHT...Partly cloudy. A chance of showers in the evening. Lows in the mid 40s. Chance of rain 30 percent. .SATURDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 30 percent. .SATURDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers. Lows in the upper 40s. Chance of rain 50 percent. .SUNDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 40 percent. $$