FPCN15 CWWG 141654 FORECASTS FOR SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED BY ENVIRONMENT CANADA AT 11:00 A.M. MDT WEDNESDAY 14 MAY 2025 FOR TODAY AND THURSDAY. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 4:00 P.M. MDT. --------------------------------------------------------------------- MAJOR REFERENCE ELEVATIONS: BANFF: 1384 METRES. LAKE LOUISE: 1750 METRES. HIGHWAY 93 - BOW SUMMIT: 2068 METRES. HIGHWAY 93 - SUNWAPTA PASS: 2034 METRES. COLUMBIA ICEFIELDS VISITORS CENTRE: 2006 METRES. JASPER: 1061 METRES. CANMORE: 1350 METRES. HWY 40 - HIGHWOOD PASS: 2206 METRES. PINCHER CREEK: 1030 METRES. WATERTON: 1280 METRES. CROWSNEST PASS: 1300 METRES. --------------------------------------------------------------------- CITY OF CALGARY. TODAY..INCREASING CLOUDINESS LATE THIS MORNING. 60 PERCENT CHANCE OF SHOWERS WITH RISK OF A THUNDERSTORM. HIGH 17. UV INDEX 6 OR HIGH. TONIGHT..RAIN. RISK OF A THUNDERSTORM THIS EVENING. AMOUNT 5 TO 10 MM. WIND BECOMING NORTH 30 KM/H GUSTING TO 50 OVERNIGHT. LOW PLUS 5. THURSDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS IN THE MORNING THEN A MIX OF SUN AND CLOUD. WIND NORTH 30 KM/H GUSTING TO 50. HIGH 12. UV INDEX 6 OR HIGH. OKOTOKS - HIGH RIVER - CLARESHOLM. TODAY..A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 20. UV INDEX 6 OR HIGH. TONIGHT..RAIN. RISK OF A THUNDERSTORM THIS EVENING. AMOUNT 5 TO 10 MM. WIND BECOMING NORTHWEST 20 KM/H GUSTING TO 40 LATE THIS EVENING. LOW 6. THURSDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS IN THE MORNING. CLEARING IN THE AFTERNOON. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE AFTERNOON. HIGH 14. UV INDEX 2 OR LOW. AIRDRIE - COCHRANE - OLDS - SUNDRE. TODAY..BECOMING CLOUDY NEAR NOON WITH 60 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. RISK OF A THUNDERSTORM. HIGH 17. UV INDEX 5 OR MODERATE. TONIGHT..RAIN. RISK OF A THUNDERSTORM EARLY THIS EVENING. AMOUNT 10 TO 20 MM. WIND BECOMING NORTHWEST 20 KM/H GUSTING TO 40 NEAR MIDNIGHT. LOW PLUS 4. THURSDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS IN THE MORNING THEN A MIX OF SUN AND CLOUD. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE AFTERNOON. HIGH 12. UV INDEX 5 OR MODERATE. DRUMHELLER - THREE HILLS. TODAY..INCREASING CLOUDINESS NEAR NOON. 60 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 19. UV INDEX 6 OR HIGH. TONIGHT..PERIODS OF RAIN. RISK OF A THUNDERSTORM THIS EVENING. AMOUNT 5 TO 10 MM. WIND BECOMING NORTH 20 KM/H GUSTING TO 40 OVERNIGHT. LOW 8. THURSDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE MORNING. WIND NORTH 20 KM/H GUSTING TO 40. HIGH 11. UV INDEX 6 OR HIGH. BROOKS - STRATHMORE - VULCAN. TODAY..SUNNY NEAR NOON THEN A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. RISK OF A THUNDERSTORM THIS AFTERNOON. HIGH 21. UV INDEX 6 OR HIGH. TONIGHT..CLOUDY. 60 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. PERIODS OF RAIN BEGINNING THIS EVENING. RISK OF A THUNDERSTORM THIS EVENING. AMOUNT 5 TO 10 MM. WIND BECOMING NORTH 20 KM/H GUSTING TO 40 OVERNIGHT. LOW 6. THURSDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE MORNING. WIND NORTH 20 KM/H GUSTING TO 40. HIGH 16. UV INDEX 6 OR HIGH. KANANASKIS - CANMORE. TODAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND SOUTHWEST 20 KM/H BECOMING LIGHT NEAR NOON. HIGH 15. UV INDEX 2 OR LOW. TONIGHT..RAIN. RISK OF A THUNDERSTORM EARLY THIS EVENING. AMOUNT 5 TO 10 MM. SNOW LEVEL LOWERING TO 1600 METRES NEAR MIDNIGHT. LOW PLUS 2. THURSDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS IN THE MORNING THEN A MIX OF SUN AND CLOUD. SNOW LEVEL 1600 METRES RISING TO 2000 METRES IN THE MORNING. HIGH 12. UV INDEX 5 OR MODERATE. BANFF NATIONAL PARK HIGHWAY 93 - LAKE LOUISE TO SASKATCHEWAN RIVER CROSSING. TODAY..SHOWERS WITH RISK OF A THUNDERSTORM. SNOW LEVEL 2000 METRES RISING TO 2700 METRES THIS AFTERNOON. HIGH 14. UV INDEX 3 OR MODERATE. TONIGHT..SHOWERS ENDING THIS EVENING THEN CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY THIS EVENING. SNOW LEVEL 2700 METRES LOWERING TO NEAR VALLEY BOTTOM NEAR MIDNIGHT. LOW PLUS 2. THURSDAY..CLOUDY. 60 PERCENT CHANCE OF SHOWERS EARLY IN THE MORNING. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. SNOW LEVEL RISING TO 2000 METRES IN THE MORNING. HIGH 11. UV INDEX 4 OR MODERATE. HIGHWAY 93 - JASPER TO SASKATCHEWAN RIVER CROSSING JASPER NATIONAL PARK. TODAY..SHOWERS WITH RISK OF A THUNDERSTORM. SNOW LEVEL 2000 METRES RISING TO 2400 METRES THIS AFTERNOON. HIGH 14. UV INDEX 2 OR LOW. TONIGHT..RAIN ENDING NEAR MIDNIGHT THEN CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY THIS EVENING. SNOW LEVEL LOWERING TO 1300 METRES NEAR MIDNIGHT. LOW PLUS 2. THURSDAY..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS EARLY IN THE MORNING. SNOW LEVEL 1300 METRES RISING TO 1600 METRES IN THE MORNING. HIGH 14. UV INDEX 6 OR HIGH. NORDEGG - FORESTRY TRUNK ROAD HIGHWAY 734. TODAY..SHOWERS WITH RISK OF A THUNDERSTORM. HIGH 13. UV INDEX 2 OR LOW. TONIGHT..RAIN CHANGING TO SNOW MIXED WITH RAIN NEAR MIDNIGHT. RISK OF A THUNDERSTORM EARLY THIS EVENING. LOW PLUS 1. THURSDAY..SNOW MIXED WITH RAIN ENDING IN THE MORNING THEN A MIX OF SUN AND CLOUD. HIGH 11. UV INDEX 6 OR HIGH. ROCKY MOUNTAIN HOUSE - CAROLINE. TODAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 17. UV INDEX 2 OR LOW. TONIGHT..RAIN. RISK OF A THUNDERSTORM EARLY THIS EVENING. AMOUNT 10 TO 20 MM. LOW PLUS 4. THURSDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS IN THE MORNING THEN A MIX OF SUN AND CLOUD. HIGH 13. UV INDEX 6 OR HIGH. RED DEER - PONOKA - INNISFAIL - STETTLER. TODAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 18. UV INDEX 6 OR HIGH. TONIGHT..RAIN. RISK OF A THUNDERSTORM THIS EVENING. AMOUNT 10 TO 20 MM. WIND BECOMING NORTHWEST 30 KM/H GUSTING TO 50 THIS EVENING. LOW PLUS 5. THURSDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS IN THE MORNING. CLEARING IN THE AFTERNOON. WIND NORTHWEST 30 KM/H GUSTING TO 50. HIGH 12. UV INDEX 2 OR LOW. HANNA - CORONATION - OYEN. TODAY..INCREASING CLOUDINESS NEAR NOON. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. LOCAL SMOKE. WIND SOUTHEAST 20 KM/H GUSTING TO 40. HIGH 20. UV INDEX 6 OR HIGH. TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM THIS EVENING. LOCAL SMOKE THIS EVENING. WIND SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW 6. THURSDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING NORTH 20 KM/H GUSTING TO 40 NEAR NOON. HIGH 15. UV INDEX 5 OR MODERATE. MEDICINE HAT - BOW ISLAND - SUFFIELD. TODAY..BECOMING CLOUDY NEAR NOON WITH 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. LOCAL SMOKE. HIGH 19. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOCAL SMOKE THIS EVENING. LOW 7. THURSDAY..INCREASING CLOUDINESS. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING NORTHWEST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 18. UV INDEX 6 OR HIGH. CYPRESS HILLS PROVINCIAL PARK - FOREMOST. TODAY..CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. LOCAL SMOKE. HIGH 17. UV INDEX 5 OR MODERATE. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOCAL SMOKE THIS EVENING AND AFTER MIDNIGHT. WIND BECOMING NORTHWEST 20 KM/H GUSTING TO 40 OVERNIGHT. LOW 6. THURSDAY..INCREASING CLOUDINESS. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. WIND NORTHWEST 30 KM/H GUSTING TO 50. HIGH 17. UV INDEX 6 OR HIGH. LETHBRIDGE - TABER - MILK RIVER. TODAY..A MIX OF SUN AND CLOUD. 60 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 THIS AFTERNOON. HIGH 20. UV INDEX 6 OR HIGH. TONIGHT..CLOUDY. 60 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. RAIN BEGINNING THIS EVENING. RISK OF A THUNDERSTORM THIS EVENING. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. WIND BECOMING NORTHWEST 20 GUSTING TO 40 OVERNIGHT. LOW 6. THURSDAY..PERIODS OF RAIN ENDING NEAR NOON THEN CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. AMOUNT 5 TO 10 MM. WIND NORTHWEST 20 KM/H GUSTING TO 40. HIGH 13. UV INDEX 5 OR MODERATE. CARDSTON - FORT MACLEOD - MAGRATH. TODAY..INCREASING CLOUDINESS LATE THIS MORNING. 60 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 16. UV INDEX 5 OR MODERATE. TONIGHT..SHOWERS. RISK OF A THUNDERSTORM THIS EVENING. AMOUNT 5 TO 10 MM. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT OVERNIGHT. LOW PLUS 4. THURSDAY..RAIN ENDING IN THE AFTERNOON THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS. AMOUNT 5 TO 10 MM. HIGH 11. UV INDEX 4 OR MODERATE. CROWSNEST PASS - PINCHER CREEK - WATERTON LAKES NAT. PARK. TODAY..BECOMING CLOUDY NEAR NOON WITH 60 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. RISK OF A THUNDERSTORM. WIND WEST 20 KM/H. HIGH 16. UV INDEX 5 OR MODERATE. TONIGHT..RAIN. RISK OF A THUNDERSTORM THIS EVENING. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT OVERNIGHT. LOW PLUS 5. THURSDAY..RAIN ENDING IN THE AFTERNOON THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 13. UV INDEX 4 OR MODERATE. END