FPCN15 CWWG 191655 FORECASTS FOR SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED BY ENVIRONMENT CANADA AT 11:00 A.M. MDT MONDAY 19 AUGUST 2024 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. --------------------------------------------------------------------- CITY OF CALGARY. TODAY..SUNNY THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. RISK OF A THUNDERSTORM LATE THIS AFTERNOON. WIND BECOMING SOUTH 20 KM/H THIS AFTERNOON. HIGH 29. HUMIDEX 31. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND SOUTH 20 KM/H BECOMING LIGHT THIS EVENING. LOW 16. TUESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. WIND BECOMING SOUTHWEST 20 KM/H IN THE AFTERNOON. HIGH 25. UV INDEX 5 OR MODERATE. OKOTOKS - HIGH RIVER - CLARESHOLM. TODAY..SUNNY THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. RISK OF A THUNDERSTORM LATE THIS AFTERNOON. WIND BECOMING SOUTH 20 KM/H THIS AFTERNOON. HIGH 29. HUMIDEX 34. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND SOUTH 20 KM/H BECOMING LIGHT THIS EVENING. LOW 12. TUESDAY..A MIX OF SUN AND CLOUD. WIND BECOMING SOUTHWEST 20 KM/H IN THE AFTERNOON. HIGH 27. UV INDEX 6 OR HIGH. AIRDRIE - COCHRANE - OLDS - SUNDRE. TODAY..SUNNY EARLY THIS AFTERNOON THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. RISK OF A THUNDERSTORM LATE THIS AFTERNOON. WIND BECOMING SOUTH 20 KM/H THIS AFTERNOON. HIGH 27. HUMIDEX 28. UV INDEX 6 OR HIGH. TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND SOUTH 20 KM/H BECOMING LIGHT THIS EVENING. LOW 7. TUESDAY..CLEARING IN THE MORNING. WIND BECOMING SOUTHWEST 20 KM/H IN THE AFTERNOON. HIGH 23. UV INDEX 5 OR MODERATE. DRUMHELLER - THREE HILLS. TODAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD THIS AFTERNOON. WIND BECOMING SOUTH 20 KM/H THIS AFTERNOON. HIGH 31. HUMIDEX 34. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND SOUTH 20 KM/H BECOMING LIGHT THIS EVENING. LOW 12. TUESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS EARLY IN THE MORNING WITH RISK OF A THUNDERSTORM. HIGH 29. UV INDEX 6 OR HIGH. BROOKS - STRATHMORE - VULCAN. TODAY..SUNNY. HIGH 30. HUMIDEX 34. UV INDEX 6 OR HIGH. TONIGHT..INCREASING CLOUDINESS. 60 PERCENT CHANCE OF SHOWERS OVERNIGHT WITH RISK OF A THUNDERSTORM. LOW 14. TUESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS EARLY IN THE MORNING WITH RISK OF A THUNDERSTORM. HIGH 30. UV INDEX 6 OR HIGH. KANANASKIS - CANMORE. TODAY..SUNNY EARLY THIS AFTERNOON THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. RISK OF A THUNDERSTORM LATE THIS AFTERNOON. HIGH 28. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS EVENING AND AFTER MIDNIGHT AND RISK OF A THUNDERSTORM. CLEARING BEFORE MORNING. LOW 10. TUESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING. HIGH 23. UV INDEX 5 OR MODERATE. BANFF NATIONAL PARK HIGHWAY 93 - LAKE LOUISE TO SASKATCHEWAN RIVER CROSSING. TODAY..SUNNY EARLY THIS AFTERNOON THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. RISK OF A THUNDERSTORM LATE THIS AFTERNOON. HIGH 26. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM THIS EVENING. LOW 7. TUESDAY..A MIX OF SUN AND CLOUD. HIGH 19. UV INDEX 5 OR MODERATE. HIGHWAY 93 - JASPER TO SASKATCHEWAN RIVER CROSSING JASPER NATIONAL PARK. TODAY..SUNNY. HIGH 25. UV INDEX 5 OR MODERATE. TONIGHT..CLEAR. LOW 9. TUESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. HIGH 22. UV INDEX 5 OR MODERATE. NORDEGG - FORESTRY TRUNK ROAD HIGHWAY 734. TODAY..SUNNY EARLY THIS AFTERNOON THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. RISK OF A THUNDERSTORM THIS AFTERNOON. HIGH 23. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. LOW 8. TUESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. HIGH 22. UV INDEX 5 OR MODERATE. ROCKY MOUNTAIN HOUSE - CAROLINE. 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 26. HUMIDEX 28. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. LOW 10. TUESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. HIGH 24. UV INDEX 5 OR MODERATE. RED DEER - PONOKA - INNISFAIL - STETTLER. TODAY..SUNNY EARLY THIS AFTERNOON THEN A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. RISK OF A THUNDERSTORM LATE THIS AFTERNOON. WIND BECOMING SOUTH 20 KM/H THIS AFTERNOON. HIGH 30. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND SOUTH 20 KM/H BECOMING LIGHT THIS EVENING. LOW 11. TUESDAY..A MIX OF SUN AND CLOUD. 60 PERCENT CHANCE OF SHOWERS EARLY IN THE MORNING WITH RISK OF A THUNDERSTORM. WIND BECOMING WEST 20 KM/H NEAR NOON. HIGH 26. UV INDEX 5 OR MODERATE. HANNA - CORONATION - OYEN. TODAY..MAINLY SUNNY. WIND BECOMING SOUTH 20 KM/H GUSTING TO 40 THIS AFTERNOON. HIGH 28. HUMIDEX 32. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS OVERNIGHT WITH RISK OF A THUNDERSTORM. WIND SOUTH 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW 12. TUESDAY..A MIX OF SUN AND CLOUD. 60 PERCENT CHANCE OF SHOWERS EARLY IN THE MORNING WITH RISK OF A THUNDERSTORM. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH 27. UV INDEX 6 OR HIGH. MEDICINE HAT - BOW ISLAND - SUFFIELD. TODAY..SUNNY. WIND BECOMING SOUTH 20 KM/H THIS AFTERNOON. HIGH 33. HUMIDEX 36. UV INDEX 6 OR HIGH. TONIGHT..CLEAR. INCREASING CLOUDINESS NEAR MIDNIGHT THEN 60 PERCENT CHANCE OF SHOWERS OVERNIGHT. RISK OF A THUNDERSTORM OVERNIGHT. WIND SOUTH 20 KM/H BECOMING LIGHT THIS EVENING. LOW 15. TUESDAY..A MIX OF SUN AND CLOUD. 60 PERCENT CHANCE OF SHOWERS EARLY IN THE MORNING WITH RISK OF A THUNDERSTORM. WIND BECOMING WEST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH 30. UV INDEX 6 OR HIGH. CYPRESS HILLS PROVINCIAL PARK - FOREMOST. TODAY..SUNNY. WIND EAST 20 KM/H BECOMING SOUTH 20 THIS AFTERNOON. HIGH 33. HUMIDEX 35. UV INDEX 7 OR HIGH. TONIGHT..INCREASING CLOUDINESS EARLY THIS EVENING. 30 PERCENT CHANCE OF SHOWERS OVERNIGHT WITH RISK OF A THUNDERSTORM. WIND SOUTH 20 KM/H BECOMING LIGHT THIS EVENING. LOW 13. TUESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS EARLY IN THE MORNING WITH RISK OF A THUNDERSTORM. WIND BECOMING WEST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH 30. UV INDEX 6 OR HIGH. LETHBRIDGE - TABER - MILK RIVER. TODAY..SUNNY. HIGH 31. HUMIDEX 34. UV INDEX 7 OR HIGH. TONIGHT..CLEAR EARLY THIS EVENING THEN PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM. WIND BECOMING WEST 20 KM/H GUSTING TO 40 OVERNIGHT. LOW 14. TUESDAY..MAINLY CLOUDY. WIND SOUTHWEST 30 KM/H GUSTING TO 50. HIGH 29. UV INDEX 6 OR HIGH. CARDSTON - FORT MACLEOD - MAGRATH. TODAY..SUNNY. HIGH 31. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING AND AFTER MIDNIGHT WITH RISK OF A THUNDERSTORM. WIND BECOMING WEST 20 KM/H GUSTING TO 40 OVERNIGHT. LOW 13. TUESDAY..MAINLY SUNNY. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT NEAR NOON. HIGH 27. UV INDEX 6 OR HIGH. CROWSNEST PASS - PINCHER CREEK - WATERTON LAKES NAT. PARK. TODAY..SUNNY EARLY THIS AFTERNOON THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. RISK OF A THUNDERSTORM LATE THIS AFTERNOON. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 THIS AFTERNOON. HIGH 30. HUMIDEX 31. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS EVENING AND RISK OF A THUNDERSTORM. CLEARING OVERNIGHT. WIND WEST 30 KM/H GUSTING TO 50. LOW 14. TUESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. WIND BECOMING WEST 40 KM/H GUSTING TO 60 NEAR NOON. HIGH 25. UV INDEX 6 OR HIGH. END