088
FPCN15 CWWG 171030
FORECASTS FOR SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED BY
ENVIRONMENT CANADA AT 5:00 A.M. MDT MONDAY 17 AUGUST 2026 FOR TODAY
AND TUESDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. MDT.
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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.
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CITY OF CALGARY.
TODAY..A MIX OF SUN AND CLOUD. BECOMING SUNNY THIS MORNING. LOCAL
SMOKE. WIND BECOMING NORTHEAST 20 KM/H THIS AFTERNOON. HIGH 24. UV
INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS EVENING
THEN CLEAR. RISK OF A THUNDERSTORM THIS EVENING. WIND NORTHEAST
20 KM/H BECOMING LIGHT THIS EVENING. LOW 10.
TUESDAY..SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON. HIGH 27. UV
INDEX 6 OR HIGH.
OKOTOKS - HIGH RIVER - CLARESHOLM.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE THIS
AFTERNOON WITH RISK OF A THUNDERSTORM. LOCAL SMOKE. HIGH 23. HUMIDEX
25. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING WITH RISK OF A THUNDERSTORM. LOCAL SMOKE. LOW 9.
TUESDAY..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. LOCAL
SMOKE. HIGH 27. HUMIDEX 31. UV INDEX 6 OR HIGH.
AIRDRIE - COCHRANE - OLDS - SUNDRE.
TODAY..SUNNY EARLY THIS MORNING THEN A MIX OF SUN AND CLOUD WITH
30 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. RISK OF A
THUNDERSTORM LATE THIS AFTERNOON. HIGH 23. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS EVENING
AND RISK OF A THUNDERSTORM. CLEARING OVERNIGHT. LOW PLUS 5.
TUESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. HIGH 25.
UV INDEX 5 OR MODERATE.
DRUMHELLER - THREE HILLS.
TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS. RISK
OF A THUNDERSTORM THIS AFTERNOON. HIGH 25. HUMIDEX 26. UV INDEX 6 OR
HIGH.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS EVENING
AND RISK OF A THUNDERSTORM. CLEARING OVERNIGHT. LOW 9.
TUESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON.
WIND BECOMING SOUTHWEST 20 KM/H NEAR NOON. HIGH 31. UV INDEX 6 OR
HIGH.
BROOKS - STRATHMORE - VULCAN.
TODAY..A MIX OF SUN AND CLOUD. 60 PERCENT CHANCE OF SHOWERS EARLY
THIS MORNING. 30 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. RISK
OF A THUNDERSTORM. HIGH 25. 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. LOW 9.
TUESDAY..SUNNY. LOCAL SMOKE. HIGH 30. HUMIDEX 32. UV INDEX 6 OR HIGH.
KANANASKIS - CANMORE.
TODAY..SUNNY THIS MORNING AND EARLY THIS AFTERNOON THEN A MIX OF SUN
AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. RISK OF
A THUNDERSTORM THIS AFTERNOON. LOCAL SMOKE. HIGH 25. UV INDEX 5 OR
MODERATE.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. BECOMING CLEAR OVERNIGHT. RISK OF A THUNDERSTORM EARLY THIS
EVENING. LOCAL SMOKE. LOW 8.
TUESDAY..SUNNY EARLY IN THE MORNING 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. LOCAL SMOKE. HIGH 26. UV INDEX 6
OR HIGH.
BANFF NATIONAL PARK
HIGHWAY 93 - LAKE LOUISE TO SASKATCHEWAN RIVER CROSSING.
TODAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD THIS MORNING. LOCAL
SMOKE. HIGH 24. UV INDEX 5 OR MODERATE.
TONIGHT..A FEW CLOUDS. LOCAL SMOKE OVERNIGHT. LOW 6.
TUESDAY..MAINLY SUNNY. LOCAL SMOKE. HIGH 24. UV INDEX 6 OR HIGH.
HIGHWAY 93 - JASPER TO SASKATCHEWAN RIVER CROSSING
JASPER NATIONAL PARK.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE THIS
AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 26. UV INDEX 5 OR
MODERATE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING WITH RISK OF A THUNDERSTORM. CLEARING THIS EVENING. LOW 8.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 26. UV INDEX 6 OR HIGH.
NORDEGG - FORESTRY TRUNK ROAD HIGHWAY 734.
TODAY..SUNNY EARLY THIS MORNING 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 5 OR MODERATE.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING AND RISK OF A THUNDERSTORM. CLEARING THIS EVENING. LOW 6.
TUESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING.
HIGH 23. UV INDEX 6 OR HIGH.
ROCKY MOUNTAIN HOUSE - CAROLINE.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS. RISK OF
A THUNDERSTORM LATE THIS AFTERNOON. HIGH 23. UV INDEX 5 OR MODERATE.
TONIGHT..PARTLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS THIS
EVENING. BECOMING CLEAR OVERNIGHT. RISK OF A THUNDERSTORM THIS
EVENING. LOW 8.
TUESDAY..SUNNY. HIGH 23. HUMIDEX 25. UV INDEX 6 OR HIGH.
RED DEER - PONOKA - INNISFAIL - STETTLER.
TODAY..A MIX OF SUN AND CLOUD. 40 PERCENT CHANCE OF SHOWERS WITH RISK
OF A THUNDERSTORM. HIGH 23. HUMIDEX 25. UV INDEX 5 OR MODERATE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING
WITH RISK OF A THUNDERSTORM. CLEARING BEFORE MORNING. LOW 7.
TUESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON.
HIGH 26. UV INDEX 6 OR HIGH.
HANNA - CORONATION - OYEN.
TODAY..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS WITH RISK OF A
THUNDERSTORM. WIND BECOMING NORTH 20 KM/H THIS MORNING. HIGH 22. UV
INDEX 4 OR MODERATE.
TONIGHT..PARTLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. OTHERWISE CLEAR. RISK OF A THUNDERSTORM EARLY THIS EVENING.
WIND NORTH 20 KM/H BECOMING LIGHT THIS EVENING. LOW 8.
TUESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE IN
THE AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING SOUTHWEST
30 KM/H NEAR NOON. HIGH 28. HUMIDEX 29. UV INDEX 6 OR HIGH.
MEDICINE HAT - BOW ISLAND - SUFFIELD.
TODAY..A FEW SHOWERS ENDING THIS MORNING THEN A MIX OF SUN AND CLOUD.
30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. RISK OF A THUNDERSTORM.
WIND BECOMING NORTH 20 KM/H THIS MORNING. HIGH 26. HUMIDEX 27. UV
INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING AND RISK OF A THUNDERSTORM. CLEARING THIS EVENING. LOW 10.
TUESDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX
OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON.
RISK OF A THUNDERSTORM IN THE AFTERNOON. HIGH 30. UV INDEX 6 OR
HIGH.
CYPRESS HILLS PROVINCIAL PARK - FOREMOST.
TODAY..A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS. RISK
OF A THUNDERSTORM. WIND NORTHWEST 20 KM/H BECOMING SOUTH 20 NEAR
NOON. HIGH 26. HUMIDEX 28. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. OTHERWISE CLEAR. RISK OF A THUNDERSTORM EARLY THIS EVENING.
WIND NORTHEAST 20 KM/H BECOMING LIGHT NEAR MIDNIGHT. LOW 10.
TUESDAY..A MIX OF SUN AND CLOUD. 60 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON WITH RISK OF A THUNDERSTORM. LOCAL SMOKE. WIND BECOMING
SOUTH 20 KM/H NEAR NOON. HIGH 28. HUMIDEX 30. UV INDEX 6 OR HIGH.
LETHBRIDGE - TABER - MILK RIVER.
TODAY..A MIX OF SUN AND CLOUD. HIGH 25. HUMIDEX 27. UV INDEX 6 OR
HIGH.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING AND RISK OF A THUNDERSTORM. CLEARING THIS EVENING. LOW 9.
TUESDAY..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. LOCAL
SMOKE. WIND BECOMING WEST 20 KM/H NEAR NOON. HIGH 28. HUMIDEX 30. UV
INDEX 6 OR HIGH.
CARDSTON - FORT MACLEOD - MAGRATH.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS
AFTERNOON WITH RISK OF A THUNDERSTORM. LOCAL SMOKE. HIGH 24. HUMIDEX
25. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING WITH RISK OF A THUNDERSTORM. LOCAL SMOKE. LOW 9.
TUESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE IN
THE AFTERNOON WITH RISK OF A THUNDERSTORM. LOCAL SMOKE. HIGH 27. UV
INDEX 6 OR HIGH.
CROWSNEST PASS - PINCHER CREEK - WATERTON LAKES NAT. PARK.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS
AFTERNOON WITH RISK OF A THUNDERSTORM. LOCAL SMOKE. WIND BECOMING
WEST 20 KM/H NEAR NOON. HIGH 24. HUMIDEX 26. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING AND RISK OF A THUNDERSTORM. CLEARING THIS EVENING. LOCAL
SMOKE. WIND WEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 9.
TUESDAY..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. LOCAL
SMOKE. WIND BECOMING WEST 20 KM/H IN THE MORNING THEN INCREASING TO
40 GUSTING TO 60 IN THE AFTERNOON. HIGH 27. HUMIDEX 28. UV INDEX 6
OR HIGH.
END
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