FPCN15 CWWG 131654 FORECASTS FOR SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED BY ENVIRONMENT CANADA AT 11:00 A.M. MDT TUESDAY 13 AUGUST 2024 FOR TODAY AND WEDNESDAY. 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. 30 PERCENT CHANCE OF SHOWERS WITH RISK OF A THUNDERSTORM. HIGH 24. HUMIDEX 25. UV INDEX 5 OR MODERATE. TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS EVENING AND RISK OF A THUNDERSTORM. CLEARING OVERNIGHT. LOW 13. WEDNESDAY..SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON THEN 30 PERCENT CHANCE OF SHOWERS LATE IN THE AFTERNOON. RISK OF A THUNDERSTORM LATE IN THE AFTERNOON. HIGH 23. HUMIDEX 25. UV INDEX 6 OR HIGH. OKOTOKS - HIGH RIVER - CLARESHOLM. TODAY..INCREASING CLOUDINESS LATE THIS MORNING. 60 PERCENT CHANCE OF SHOWERS WITH RISK OF A THUNDERSTORM. HIGH 26. HUMIDEX 29. UV INDEX 5 OR MODERATE. TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS THIS EVENING AND RISK OF A THUNDERSTORM. CLEARING OVERNIGHT. LOW 9. WEDNESDAY..SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON THEN 60 PERCENT CHANCE OF SHOWERS LATE IN THE AFTERNOON. RISK OF A THUNDERSTORM LATE IN THE AFTERNOON. HIGH 26. HUMIDEX 29. UV INDEX 7 OR HIGH. AIRDRIE - COCHRANE - OLDS - SUNDRE. TODAY..INCREASING CLOUDINESS LATE THIS MORNING. 60 PERCENT CHANCE OF SHOWERS WITH RISK OF A THUNDERSTORM. HIGH 21. UV INDEX 5 OR MODERATE. TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS THIS EVENING AND RISK OF A THUNDERSTORM. CLEARING OVERNIGHT. LOW 7. WEDNESDAY..MAINLY SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON THEN 30 PERCENT CHANCE OF SHOWERS LATE IN THE AFTERNOON. RISK OF A THUNDERSTORM LATE IN THE AFTERNOON. HIGH 20. UV INDEX 6 OR HIGH. DRUMHELLER - THREE HILLS. TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 31. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS EVENING AND AFTER MIDNIGHT. BECOMING CLEAR OVERNIGHT. RISK OF A THUNDERSTORM THIS EVENING AND AFTER MIDNIGHT. LOW 10. WEDNESDAY..SUNNY. WIND BECOMING NORTHWEST 20 KM/H IN THE AFTERNOON. HIGH 28. HUMIDEX 30. UV INDEX 6 OR HIGH. BROOKS - STRATHMORE - VULCAN. TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 31. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS EVENING AND AFTER MIDNIGHT. BECOMING CLEAR OVERNIGHT. RISK OF A THUNDERSTORM THIS EVENING AND AFTER MIDNIGHT. LOW 12. WEDNESDAY..SUNNY. HIGH 29. HUMIDEX 31. UV INDEX 6 OR HIGH. KANANASKIS - CANMORE. TODAY..INCREASING CLOUDINESS LATE THIS MORNING. 60 PERCENT CHANCE OF SHOWERS WITH RISK OF A THUNDERSTORM. HIGH 24. UV INDEX 5 OR MODERATE. TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS THIS EVENING AND RISK OF A THUNDERSTORM. CLEARING OVERNIGHT. LOW 11. WEDNESDAY..MAINLY SUNNY. INCREASING CLOUDINESS LATE IN THE MORNING THEN 60 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A THUNDERSTORM IN THE AFTERNOON. HIGH 23. UV INDEX 5 OR MODERATE. BANFF NATIONAL PARK HIGHWAY 93 - LAKE LOUISE TO SASKATCHEWAN RIVER CROSSING. TODAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 21. UV INDEX 5 OR MODERATE. TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS THIS EVENING AND RISK OF A THUNDERSTORM. CLEARING OVERNIGHT. LOW 9. WEDNESDAY..INCREASING CLOUDINESS. 60 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 21. UV INDEX 5 OR MODERATE. HIGHWAY 93 - JASPER TO SASKATCHEWAN RIVER CROSSING JASPER NATIONAL PARK. TODAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. LOCAL SMOKE. HIGH 27. UV INDEX 5 OR MODERATE. TONIGHT..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. CLEARING BEFORE MORNING. LOW 10. WEDNESDAY..SUNNY. INCREASING CLOUDINESS LATE IN THE MORNING THEN 60 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A THUNDERSTORM IN THE AFTERNOON. HIGH 28. UV INDEX 5 OR MODERATE. NORDEGG - FORESTRY TRUNK ROAD HIGHWAY 734. TODAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 21. UV INDEX 5 OR MODERATE. TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 9. WEDNESDAY..A MIX OF SUN AND CLOUD. 60 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 21. UV INDEX 5 OR MODERATE. ROCKY MOUNTAIN HOUSE - CAROLINE. TODAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 24. HUMIDEX 26. UV INDEX 5 OR MODERATE. TONIGHT..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 11. WEDNESDAY..A MIX OF SUN AND CLOUD. 60 PERCENT CHANCE OF SHOWERS LATE IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 23. HUMIDEX 26. UV INDEX 6 OR HIGH. RED DEER - PONOKA - INNISFAIL - STETTLER. TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND BECOMING NORTHWEST 20 KM/H THIS AFTERNOON. HIGH 24. HUMIDEX 26. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS EVENING AND AFTER MIDNIGHT. BECOMING CLEAR OVERNIGHT. RISK OF A THUNDERSTORM THIS EVENING AND AFTER MIDNIGHT. WIND NORTHWEST 20 KM/H BECOMING LIGHT NEAR MIDNIGHT. LOW 9. WEDNESDAY..SUNNY. WIND BECOMING NORTHWEST 20 KM/H NEAR NOON. HIGH 24. HUMIDEX 27. UV INDEX 6 OR HIGH. HANNA - CORONATION - OYEN. TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 27. HUMIDEX 30. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. LOW 9. WEDNESDAY..SUNNY. WIND BECOMING NORTHWEST 20 KM/H NEAR NOON. HIGH 26. HUMIDEX 29. UV INDEX 6 OR HIGH. MEDICINE HAT - BOW ISLAND - SUFFIELD. TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 31. HUMIDEX 32. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS EVENING AND AFTER MIDNIGHT. BECOMING CLEAR OVERNIGHT. RISK OF A THUNDERSTORM THIS EVENING AND AFTER MIDNIGHT. LOW 13. WEDNESDAY..SUNNY. WIND BECOMING NORTHWEST 20 KM/H IN THE AFTERNOON. HIGH 30. UV INDEX 7 OR HIGH. CYPRESS HILLS PROVINCIAL PARK - FOREMOST. TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 29. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS EVENING AND AFTER MIDNIGHT. BECOMING CLEAR OVERNIGHT. RISK OF A THUNDERSTORM THIS EVENING AND AFTER MIDNIGHT. LOW 13. WEDNESDAY..SUNNY. WIND BECOMING NORTHWEST 20 KM/H IN THE MORNING. HIGH 29. UV INDEX 7 OR HIGH. LETHBRIDGE - TABER - MILK RIVER. TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND WEST 20 KM/H GUSTING TO 40. HIGH 29. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS EVENING AND AFTER MIDNIGHT. BECOMING CLEAR OVERNIGHT. RISK OF A THUNDERSTORM THIS EVENING AND AFTER MIDNIGHT. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW 10. WEDNESDAY..SUNNY. HIGH 28. HUMIDEX 29. UV INDEX 7 OR HIGH. CARDSTON - FORT MACLEOD - MAGRATH. TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND WEST 20 KM/H GUSTING TO 40. HIGH 26. HUMIDEX 27. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS EVENING. BECOMING CLEAR OVERNIGHT. RISK OF A THUNDERSTORM THIS EVENING. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW 12. 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 26. HUMIDEX 28. UV INDEX 7 OR HIGH. CROWSNEST PASS - PINCHER CREEK - WATERTON LAKES NAT. PARK. TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND WEST 20 KM/H GUSTING TO 40. HIGH 26. HUMIDEX 27. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS EVENING. BECOMING CLEAR OVERNIGHT. RISK OF A THUNDERSTORM THIS EVENING. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW 12. WEDNESDAY..SUNNY 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. HIGH 26. HUMIDEX 28. UV INDEX 7 OR HIGH. END