FPCN15 CWWG 211837 AAC UPDATED FORECASTS FOR SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED BY ENVIRONMENT CANADA AT 12:36 P.M. MDT MONDAY 21 APRIL 2025 FOR TODAY AND TUESDAY. 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. --------------------------------------------------------------------- LETHBRIDGE - TABER - MILK RIVER. TODAY..A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND WEST 30 KM/H GUSTING TO 50. HIGH 9. UV INDEX 4 OR MODERATE. TONIGHT..MAINLY CLOUDY. 60 PERCENT CHANCE OF RAIN SHOWERS CHANGING TO 30 PERCENT CHANCE OF FLURRIES NEAR MIDNIGHT. RISK OF A THUNDERSTORM EARLY THIS EVENING. WIND WEST 30 KM/H GUSTING TO 50. LOW ZERO. TUESDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF FLURRIES EARLY IN THE MORNING THEN 30 PERCENT CHANCE OF RAIN SHOWERS LATE IN THE MORNING AND EARLY AFTERNOON. CLEARING LATE IN THE AFTERNOON. WIND NORTHWEST 20 KM/H GUSTING TO 40. HIGH 9. UV INDEX 4 OR MODERATE. CARDSTON - FORT MACLEOD - MAGRATH. TODAY..A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND WEST 30 KM/H GUSTING TO 50. HIGH 8. UV INDEX 4 OR MODERATE. TONIGHT..MAINLY CLOUDY. 60 PERCENT CHANCE OF RAIN SHOWERS THIS EVENING THEN 30 PERCENT CHANCE OF FLURRIES LATE THIS EVENING AND AFTER MIDNIGHT. RISK OF A THUNDERSTORM EARLY THIS EVENING. WIND WEST 30 KM/H GUSTING TO 50 BECOMING LIGHT THIS EVENING. LOW MINUS 2. WIND CHILL MINUS 6 OVERNIGHT. TUESDAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES IN THE MORNING. CLEARING IN THE AFTERNOON. WIND UP TO 15 KM/H. HIGH 9. WIND CHILL MINUS 6 IN THE MORNING. UV INDEX 4 OR MODERATE. REMAINDER UNCHANGED. END