FPCN15 CWWG 052130 FORECASTS FOR SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED BY ENVIRONMENT CANADA AT 4:00 P.M. MDT TUESDAY 5 MAY 2026 FOR TONIGHT WEDNESDAY AND WEDNESDAY NIGHT. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT WEDNESDAY. --------------------------------------------------------------------- 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. TONIGHT..CLEARING THIS EVENING. WIND NORTH 20 KM/H GUSTING TO 40 BECOMING EAST 20 THIS EVENING THEN LIGHT NEAR MIDNIGHT. LOW ZERO. WEDNESDAY..SUNNY. INCREASING CLOUDINESS LATE IN THE AFTERNOON. HIGH 21. UV INDEX 6 OR HIGH. WEDNESDAY NIGHT..CLEARING NEAR MIDNIGHT. WIND NORTHWEST 20 KM/H BECOMING LIGHT NEAR MIDNIGHT. LOW 8. OKOTOKS - HIGH RIVER - CLARESHOLM. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING THEN CLEAR. WIND NORTH 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW MINUS 3. WIND CHILL MINUS 5 OVERNIGHT. WEDNESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. WIND BECOMING WEST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH 23. UV INDEX 6 OR HIGH. WEDNESDAY NIGHT..PARTLY CLOUDY. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT LATE IN THE EVENING. LOW 8. AIRDRIE - COCHRANE - OLDS - SUNDRE. TONIGHT..PARTLY CLOUDY. BECOMING CLEAR THIS EVENING. WIND NORTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW MINUS 7. WIND CHILL MINUS 10 OVERNIGHT. WEDNESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD LATE IN THE AFTERNOON. WIND UP TO 15 KM/H. HIGH 21. WIND CHILL MINUS 10 IN THE MORNING. UV INDEX 5 OR MODERATE. WEDNESDAY NIGHT..PARTLY CLOUDY. LOW 7. DRUMHELLER - THREE HILLS. TONIGHT..CLEARING. WIND NORTH 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW MINUS 4. WIND CHILL MINUS 6 OVERNIGHT. WEDNESDAY..SUNNY. WIND UP TO 15 KM/H. HIGH 21. WIND CHILL MINUS 6 IN THE MORNING. UV INDEX 5 OR MODERATE. WEDNESDAY NIGHT..PARTLY CLOUDY. LOW 7. BROOKS - STRATHMORE - VULCAN. TONIGHT..PARTLY CLOUDY. BECOMING CLEAR THIS EVENING. WIND NORTH 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW MINUS 5. WIND CHILL MINUS 7 OVERNIGHT. WEDNESDAY..SUNNY. WIND UP TO 15 KM/H. HIGH 21. WIND CHILL MINUS 7 IN THE MORNING. UV INDEX 6 OR HIGH. WEDNESDAY NIGHT..INCREASING CLOUDINESS EARLY IN THE EVENING. CLEARING BEFORE MORNING. LOW 7. KANANASKIS - CANMORE. TONIGHT..PARTLY CLOUDY. BECOMING CLEAR THIS EVENING. LOW PLUS 2. WEDNESDAY..SUNNY. WIND BECOMING WEST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH 21. UV INDEX 6 OR HIGH. WEDNESDAY NIGHT..A FEW CLOUDS. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT LATE IN THE EVENING. LOW 6. BANFF NATIONAL PARK HIGHWAY 93 - LAKE LOUISE TO SASKATCHEWAN RIVER CROSSING. TONIGHT..PARTLY CLOUDY. BECOMING CLEAR THIS EVENING. LOW ZERO. WEDNESDAY..MAINLY SUNNY. HIGH 19. UV INDEX 6 OR HIGH. WEDNESDAY NIGHT..PARTLY CLOUDY. LOW PLUS 2. HIGHWAY 93 - JASPER TO SASKATCHEWAN RIVER CROSSING JASPER NATIONAL PARK. TONIGHT..PARTLY CLOUDY. BECOMING CLEAR THIS EVENING. LOW ZERO. WEDNESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. HIGH 21. UV INDEX 5 OR MODERATE. WEDNESDAY NIGHT..PARTLY CLOUDY. LOW PLUS 5. NORDEGG - FORESTRY TRUNK ROAD HIGHWAY 734. TONIGHT..PARTLY CLOUDY. BECOMING CLEAR THIS EVENING. LOW PLUS 1. WEDNESDAY..SUNNY EARLY IN THE MORNING THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A THUNDERSTORM IN THE AFTERNOON. WIND BECOMING WEST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH 18. UV INDEX 5 OR MODERATE. WEDNESDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE EVENING AND AFTER MIDNIGHT. RISK OF A THUNDERSTORM EARLY IN THE EVENING. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT LATE IN THE EVENING. LOW 6. ROCKY MOUNTAIN HOUSE - CAROLINE. TONIGHT..PARTLY CLOUDY. BECOMING CLEAR LATE THIS EVENING. WIND UP TO 15 KM/H. LOW MINUS 3. WIND CHILL MINUS 7 OVERNIGHT. WEDNESDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS LATE IN THE AFTERNOON. RISK OF A THUNDERSTORM LATE IN THE AFTERNOON. HIGH 21. UV INDEX 5 OR MODERATE. WEDNESDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE EVENING AND AFTER MIDNIGHT. RISK OF A THUNDERSTORM IN THE EVENING. LOW 7. RED DEER - PONOKA - INNISFAIL - STETTLER. TONIGHT..PARTLY CLOUDY. BECOMING CLEAR NEAR MIDNIGHT. WIND NORTH 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW MINUS 3. WIND CHILL MINUS 7 OVERNIGHT. WEDNESDAY..SUNNY. HIGH 21. UV INDEX 5 OR MODERATE. WEDNESDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM IN THE EVENING. WIND BECOMING NORTHWEST 20 KM/H IN THE EVENING. LOW 7. HANNA - CORONATION - OYEN. TONIGHT..PARTLY CLOUDY. BECOMING CLEAR THIS EVENING. WIND NORTH 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW MINUS 8. WIND CHILL MINUS 13 OVERNIGHT. WEDNESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. WIND BECOMING SOUTH 20 KM/H IN THE MORNING. HIGH 17. WIND CHILL MINUS 13 IN THE MORNING. UV INDEX 5 OR MODERATE. WEDNESDAY NIGHT..PARTLY CLOUDY. LOW 6. MEDICINE HAT - BOW ISLAND - SUFFIELD. TONIGHT..PARTLY CLOUDY. BECOMING CLEAR NEAR MIDNIGHT. WIND NORTH 20 KM/H GUSTING TO 40 BECOMING LIGHT LATE THIS EVENING. LOW MINUS 3. WIND CHILL MINUS 7 OVERNIGHT. WEDNESDAY..SUNNY. HIGH 20. UV INDEX 5 OR MODERATE. WEDNESDAY NIGHT..INCREASING CLOUDINESS IN THE EVENING. LOW 7. CYPRESS HILLS PROVINCIAL PARK - FOREMOST. TONIGHT..PARTLY CLOUDY. BECOMING CLEAR NEAR MIDNIGHT. WIND NORTH 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW MINUS 5. WIND CHILL MINUS 9 OVERNIGHT. WEDNESDAY..SUNNY. WIND BECOMING SOUTHEAST 20 KM/H IN THE MORNING. HIGH 17. WIND CHILL MINUS 9 IN THE MORNING. UV INDEX 6 OR HIGH. WEDNESDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY IN THE EVENING. WIND BECOMING NORTHEAST 20 KM/H IN THE EVENING. LOW PLUS 4. LETHBRIDGE - TABER - MILK RIVER. TONIGHT..PARTLY CLOUDY. BECOMING CLEAR THIS EVENING. WIND NORTH 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW MINUS 3. WIND CHILL MINUS 7 OVERNIGHT. WEDNESDAY..SUNNY. HIGH 22. UV INDEX 6 OR HIGH. WEDNESDAY NIGHT..INCREASING CLOUDINESS EARLY IN THE EVENING. WIND NORTH 20 KM/H BECOMING WEST 20 NEAR MIDNIGHT. LOW 6. CARDSTON - FORT MACLEOD - MAGRATH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. CLEARING THIS EVENING. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT EARLY THIS EVENING. LOW MINUS 1. WEDNESDAY..SUNNY. WIND BECOMING WEST 30 KM/H GUSTING TO 50 NEAR NOON. HIGH 21. UV INDEX 6 OR HIGH. WEDNESDAY NIGHT..PARTLY CLOUDY. WIND WEST 30 KM/H GUSTING TO 50 BECOMING LIGHT OVERNIGHT. LOW 8. CROWSNEST PASS - PINCHER CREEK - WATERTON LAKES NAT. PARK. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. CLEARING THIS EVENING. WIND UP TO 15 KM/H. LOW MINUS 3. WIND CHILL MINUS 8 OVERNIGHT. WEDNESDAY..SUNNY. WIND BECOMING WEST 30 KM/H GUSTING TO 50 NEAR NOON. HIGH 21. UV INDEX 6 OR HIGH. WEDNESDAY NIGHT..PARTLY CLOUDY. WIND WEST 30 KM/H GUSTING TO 50. LOW 8. END