FPCN15 CWWG 222130 FORECASTS FOR SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED BY ENVIRONMENT CANADA AT 4:00 P.M. MDT THURSDAY 22 AUGUST 2024 FOR TONIGHT FRIDAY AND FRIDAY NIGHT. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT FRIDAY. --------------------------------------------------------------------- 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..PARTLY CLOUDY. BECOMING CLEAR THIS EVENING. LOCAL SMOKE THIS EVENING. LOW 11. FRIDAY..SUNNY. HIGH 26. UV INDEX 6 OR HIGH. FRIDAY NIGHT..CLOUDY. SHOWERS OR THUNDERSTORMS BEGINNING EARLY IN THE EVENING AND ENDING AFTER MIDNIGHT. WIND BECOMING SOUTHWEST 20 KM/H OVERNIGHT. LOW 12. OKOTOKS - HIGH RIVER - CLARESHOLM. TONIGHT..A FEW CLOUDS. LOCAL SMOKE THIS EVENING. LOW 7. FRIDAY..SUNNY. INCREASING CLOUDINESS LATE IN THE AFTERNOON. HIGH 26. HUMIDEX 27. UV INDEX 6 OR HIGH. FRIDAY NIGHT..SHOWERS OR THUNDERSTORMS ENDING NEAR MIDNIGHT THEN CLEARING. WIND BECOMING SOUTHWEST 20 KM/H OVERNIGHT. LOW 9. AIRDRIE - COCHRANE - OLDS - SUNDRE. TONIGHT..PARTLY CLOUDY. BECOMING CLEAR THIS EVENING. LOCAL SMOKE THIS EVENING. LOW PLUS 3. FRIDAY..SUNNY. HIGH 25. HUMIDEX 27. UV INDEX 6 OR HIGH. FRIDAY NIGHT..INCREASING CLOUDINESS. SHOWERS BEGINNING IN THE EVENING. SHOWERS OR THUNDERSTORMS LATE IN THE EVENING AND AFTER MIDNIGHT. WIND BECOMING SOUTHWEST 20 KM/H OVERNIGHT. LOW 9. DRUMHELLER - THREE HILLS. TONIGHT..CLEAR. LOCAL SMOKE THIS EVENING. LOW 9. FRIDAY..SUNNY. HIGH 31. HUMIDEX 33. UV INDEX 6 OR HIGH. FRIDAY NIGHT..INCREASING CLOUDINESS. SHOWERS OR THUNDERSTORMS BEGINNING IN THE EVENING AND ENDING OVERNIGHT. WIND BECOMING SOUTHWEST 20 KM/H OVERNIGHT. LOW 13. BROOKS - STRATHMORE - VULCAN. TONIGHT..PARTLY CLOUDY. BECOMING CLEAR THIS EVENING. LOCAL SMOKE THIS EVENING. LOW 9. FRIDAY..SUNNY. INCREASING CLOUDINESS LATE IN THE AFTERNOON. HIGH 30. HUMIDEX 33. UV INDEX 6 OR HIGH. FRIDAY NIGHT..SHOWERS OR THUNDERSTORMS ENDING NEAR MIDNIGHT THEN CLEARING. WIND BECOMING SOUTHWEST 20 KM/H OVERNIGHT. LOW 12. KANANASKIS - CANMORE. TONIGHT..PARTLY CLOUDY. BECOMING CLEAR THIS EVENING. LOW 8. FRIDAY..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 25. UV INDEX 6 OR HIGH. FRIDAY NIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN THE EVENING. SHOWERS BEGINNING IN THE EVENING. RISK OF A THUNDERSTORM IN THE EVENING. LOW 12. BANFF NATIONAL PARK HIGHWAY 93 - LAKE LOUISE TO SASKATCHEWAN RIVER CROSSING. TONIGHT..PARTLY CLOUDY. BECOMING CLEAR THIS EVENING. LOW PLUS 4. FRIDAY..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 23. UV INDEX 6 OR HIGH. FRIDAY NIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN THE EVENING. SHOWERS BEGINNING IN THE EVENING. RISK OF A THUNDERSTORM IN THE EVENING. LOW 9. HIGHWAY 93 - JASPER TO SASKATCHEWAN RIVER CROSSING JASPER NATIONAL PARK. TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS AFTER MIDNIGHT. LOW 7. FRIDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 28. UV INDEX 5 OR MODERATE. FRIDAY NIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN THE EVENING. SHOWERS BEGINNING IN THE EVENING. RISK OF A THUNDERSTORM EARLY IN THE EVENING. LOW 11. NORDEGG - FORESTRY TRUNK ROAD HIGHWAY 734. TONIGHT..PARTLY CLOUDY. BECOMING CLEAR THIS EVENING. LOW 6. FRIDAY..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 24. UV INDEX 5 OR MODERATE. FRIDAY NIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN THE EVENING. SHOWERS BEGINNING IN THE EVENING. RISK OF A THUNDERSTORM IN THE EVENING AND AFTER MIDNIGHT. LOW 10. ROCKY MOUNTAIN HOUSE - CAROLINE. TONIGHT..PARTLY CLOUDY. BECOMING CLEAR THIS EVENING. LOW PLUS 5. FRIDAY..SUNNY. HIGH 27. HUMIDEX 30. UV INDEX 6 OR HIGH. FRIDAY NIGHT..INCREASING CLOUDINESS. SHOWERS OR THUNDERSTORMS BEGINNING IN THE EVENING. LOW 12. RED DEER - PONOKA - INNISFAIL - STETTLER. TONIGHT..PARTLY CLOUDY. CLEARING THIS EVENING. LOCAL SMOKE THIS EVENING. LOW 10. FRIDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. HIGH 26. HUMIDEX 27. UV INDEX 6 OR HIGH. FRIDAY NIGHT..BECOMING CLOUDY IN THE EVENING WITH SHOWERS OR THUNDERSTORMS. WIND BECOMING SOUTHWEST 20 KM/H OVERNIGHT. LOW 13. HANNA - CORONATION - OYEN. TONIGHT..PARTLY CLOUDY. CLEARING THIS EVENING. LOCAL SMOKE. LOW 8. FRIDAY..SUNNY. WIND BECOMING EAST 20 KM/H GUSTING TO 40 IN THE AFTERNOON. HIGH 29. HUMIDEX 31. UV INDEX 6 OR HIGH. FRIDAY NIGHT..INCREASING CLOUDINESS. SHOWERS OR THUNDERSTORMS BEGINNING IN THE EVENING AND ENDING OVERNIGHT. WIND EAST 20 KM/H GUSTING TO 40. LOW 12. MEDICINE HAT - BOW ISLAND - SUFFIELD. TONIGHT..A FEW CLOUDS. LOW 12. FRIDAY..SUNNY. INCREASING CLOUDINESS LATE IN THE AFTERNOON. WIND BECOMING SOUTHEAST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH 33. HUMIDEX 36. UV INDEX 6 OR HIGH. FRIDAY NIGHT..SHOWERS OR THUNDERSTORMS ENDING NEAR MIDNIGHT THEN CLEARING. WIND SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING SOUTHWEST 20 IN THE EVENING. LOW 12. CYPRESS HILLS PROVINCIAL PARK - FOREMOST. TONIGHT..CLEAR. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW 14. FRIDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX OF SUN AND CLOUD WITH SHOWERS OR THUNDERSTORMS BEGINNING LATE IN THE AFTERNOON. WIND BECOMING EAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 30. HUMIDEX 32. UV INDEX 6 OR HIGH. FRIDAY NIGHT..SHOWERS OR THUNDERSTORMS ENDING NEAR MIDNIGHT THEN CLEARING. WIND EAST 30 KM/H GUSTING TO 50 BECOMING LIGHT NEAR MIDNIGHT. LOW 10. LETHBRIDGE - TABER - MILK RIVER. TONIGHT..A FEW CLOUDS. LOW 9. FRIDAY..SUNNY. INCREASING CLOUDINESS LATE IN THE AFTERNOON THEN SHOWERS OR THUNDERSTORMS. HIGH 30. UV INDEX 6 OR HIGH. FRIDAY NIGHT..SHOWERS OR THUNDERSTORMS ENDING NEAR MIDNIGHT THEN CLEARING. WIND BECOMING SOUTHWEST 20 KM/H IN THE EVENING. LOW 8. CARDSTON - FORT MACLEOD - MAGRATH. TONIGHT..A FEW CLOUDS. LOW 10. FRIDAY..SUNNY. INCREASING CLOUDINESS EARLY IN THE AFTERNOON THEN SHOWERS. RISK OF A THUNDERSTORM LATE IN THE AFTERNOON. HIGH 27. UV INDEX 6 OR HIGH. FRIDAY NIGHT..SHOWERS OR THUNDERSTORMS ENDING NEAR MIDNIGHT THEN CLEARING. WIND BECOMING WEST 20 KM/H IN THE EVENING. LOW 8. CROWSNEST PASS - PINCHER CREEK - WATERTON LAKES NAT. PARK. TONIGHT..A FEW CLOUDS. LOW 8. FRIDAY..SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON THEN SHOWERS. RISK OF A THUNDERSTORM LATE IN THE AFTERNOON. HIGH 24. UV INDEX 6 OR HIGH. FRIDAY NIGHT..SHOWERS ENDING NEAR MIDNIGHT THEN CLEARING. RISK OF A THUNDERSTORM IN THE EVENING. WIND BECOMING WEST 20 KM/H IN THE EVENING. LOW 8. END