689  
FPCN16 CWWG 040234 AAC  
UPDATED FORECASTS FOR CENTRAL AND NORTHERN ALBERTA ISSUED BY  
ENVIRONMENT CANADA AT 8:33 P.M. MDT THURSDAY 3 SEPTEMBER 2026 FOR  
TONIGHT FRIDAY AND FRIDAY NIGHT.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT FRIDAY.  
 
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MAJOR REFERENCE ELEVATIONS:  
HIGHWAY 16 - OBED SUMMIT: 1164 METRES.  
HINTON: 1003 METRES.  
GRANDE CACHE: 1280 METRES.  
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CITY OF EDMONTON - ST. ALBERT - SHERWOOD PARK.  
TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS THIS EVENING  
WITH RISK OF A THUNDERSTORM. WIND BECOMING SOUTHWEST 20 KM/H NEAR  
MIDNIGHT. LOW 12.  
FRIDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE IN  
THE AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING WEST  
20 KM/H IN THE MORNING THEN BECOMING NORTH 20 GUSTING TO 40 IN THE  
AFTERNOON. HIGH 20. UV INDEX 4 OR MODERATE.  
FRIDAY NIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. RISK  
OF A THUNDERSTORM IN THE EVENING. WIND NORTH 20 KM/H GUSTING TO 40  
BECOMING LIGHT NEAR MIDNIGHT. LOW 11.  
 
SPRUCE GROVE - MORINVILLE - MAYERTHORPE - EVANSBURG.  
TONIGHT..PARTLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF  
A THUNDERSTORM. LOW 11.  
FRIDAY..A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS.  
RISK OF A THUNDERSTORM LATE IN THE AFTERNOON. WIND BECOMING  
NORTHWEST 20 KM/H GUSTING TO 40 IN THE AFTERNOON. HIGH 19. UV  
INDEX 4 OR MODERATE.  
FRIDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF A  
THUNDERSTORM IN THE EVENING. WIND NORTHWEST 20 KM/H GUSTING TO 40  
BECOMING LIGHT NEAR MIDNIGHT. LOW 9.  
 
FORT SASKATCHEWAN - VEGREVILLE - REDWATER - SMOKY LAKE.  
TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS THIS EVENING  
WITH RISK OF A THUNDERSTORM. CLEARING BEFORE MORNING. FOG PATCHES  
DEVELOPING OVERNIGHT. 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. FOG PATCHES  
DISSIPATING IN THE MORNING. WIND BECOMING SOUTH 20 KM/H NEAR NOON  
THEN BECOMING NORTHWEST 20 GUSTING TO 40 LATE IN THE AFTERNOON.  
HIGH 21. UV INDEX 4 OR MODERATE.  
FRIDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. RISK  
OF A THUNDERSTORM IN THE EVENING. WIND NORTHWEST 20 KM/H GUSTING TO  
40 BECOMING LIGHT NEAR MIDNIGHT. LOW 10.  
 
DRAYTON VALLEY - DEVON - RIMBEY - PIGEON LAKE.  
TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS THIS EVENING  
WITH RISK OF A THUNDERSTORM. WIND WEST 20 KM/H BECOMING LIGHT LATE  
THIS EVENING. LOW 10.  
FRIDAY..A MIX OF SUN AND CLOUD. 60 PERCENT CHANCE OF SHOWERS LATE IN  
THE MORNING AND IN THE AFTERNOON. RISK OF A THUNDERSTORM IN THE  
AFTERNOON. WIND NORTHWEST 20 KM/H GUSTING TO 40. HIGH 20. UV INDEX 4  
OR MODERATE.  
FRIDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF A  
THUNDERSTORM IN THE EVENING. WIND NORTHWEST 20 KM/H GUSTING TO 40  
BECOMING LIGHT OVERNIGHT. LOW 10.  
 
LEDUC - CAMROSE - WETASKIWIN - TOFIELD.  
TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS THIS EVENING AND  
AFTER MIDNIGHT WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING  
OVERNIGHT. LOW 8.  
FRIDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE IN  
THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING  
IN THE MORNING. WIND BECOMING NORTHWEST 20 KM/H GUSTING TO 40 LATE  
IN THE AFTERNOON. HIGH 19. UV INDEX 4 OR MODERATE.  
FRIDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. RISK OF A  
THUNDERSTORM IN THE EVENING. WIND NORTHWEST 20 KM/H GUSTING TO 40  
BECOMING LIGHT NEAR MIDNIGHT. LOW 10.  
 
WESTLOCK - BARRHEAD - ATHABASCA.  
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF  
A THUNDERSTORM. LOW 12.  
FRIDAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A  
THUNDERSTORM. WIND BECOMING NORTH 20 KM/H GUSTING TO 40 IN THE  
AFTERNOON. HIGH 18. UV INDEX 3 OR MODERATE.  
FRIDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF A  
THUNDERSTORM EARLY IN THE EVENING. WIND NORTH 20 KM/H GUSTING TO 40  
BECOMING LIGHT LATE IN THE EVENING. LOW 9.  
 
LLOYDMINSTER - WAINWRIGHT - VERMILION - PROVOST.  
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS EVENING  
AND RISK OF A THUNDERSTORM. CLEARING LATE THIS EVENING. FOG PATCHES  
DEVELOPING OVERNIGHT. LOW 9.  
FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. WIND BECOMING  
NORTH 20 KM/H GUSTING TO 40 IN THE AFTERNOON. HIGH 24. UV INDEX 5 OR  
MODERATE.  
FRIDAY NIGHT..PARTLY CLOUDY. WIND NORTH 20 KM/H GUSTING TO 40  
BECOMING LIGHT IN THE EVENING. LOW 10.  
 
WHITECOURT - EDSON - FOX CREEK - SWAN HILLS.  
TONIGHT..PERIODS OF RAIN WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 20  
TO 30 MM. LOW 10.  
FRIDAY..PERIODS OF RAIN. RISK OF A THUNDERSTORM IN THE MORNING.  
AMOUNT 10 TO 20 MM. WIND BECOMING NORTHWEST 20 KM/H GUSTING TO 40 IN  
THE AFTERNOON. HIGH 13. UV INDEX 1 OR LOW.  
FRIDAY NIGHT..PERIODS OF RAIN. AMOUNT 5 TO 10 MM. WIND NORTHWEST  
20 KM/H GUSTING TO 40 BECOMING LIGHT LATE IN THE EVENING. LOW 7.  
 
SLAVE LAKE.  
TONIGHT..PERIODS OF RAIN WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 10  
TO 20 MM. WIND NORTH 20 KM/H BECOMING LIGHT THIS EVENING. LOW 14.  
FRIDAY..PERIODS OF RAIN. RISK OF A THUNDERSTORM IN THE MORNING.  
AMOUNT 10 TO 15 MM. WIND BECOMING NORTHWEST 20 KM/H GUSTING TO 40  
NEAR NOON. HIGH 16. UV INDEX 1 OR LOW.  
FRIDAY NIGHT..PERIODS OF RAIN ENDING BEFORE MORNING THEN PARTLY  
CLOUDY. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE  
EVENING. LOW 8.  
 
FORT MCMURRAY - FORT MACKAY.  
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF  
A THUNDERSTORM. LOW 14.  
FRIDAY..CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN THE MORNING.  
PERIODS OF RAIN BEGINNING IN THE MORNING. RISK OF A THUNDERSTORM IN  
THE AFTERNOON. AMOUNT 5 TO 10 MM. WIND BECOMING NORTH 20 KM/H  
GUSTING TO 40 NEAR NOON. HIGH 16. UV INDEX 1 OR LOW.  
FRIDAY NIGHT..PERIODS OF RAIN ENDING AFTER MIDNIGHT THEN CLEARING.  
RISK OF A THUNDERSTORM EARLY IN THE EVENING. WIND NORTH 20 KM/H  
GUSTING TO 40 BECOMING LIGHT NEAR MIDNIGHT. LOW PLUS 3.  
 
REMAINDER UNCHANGED.  
 
END  
 
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