506  
FPCN13 CWVR 230347 AAA  
UPDATED FORECASTS FOR THE SOUTHWEST INTERIOR OF BRITISH COLUMBIA  
ISSUED BY ENVIRONMENT CANADA AT 8:46 P.M. PDT SATURDAY 22 AUGUST 2026  
FOR TONIGHT SUNDAY AND SUNDAY NIGHT.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. PDT SUNDAY.  
 
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MAJOR REFERENCE ELEVATIONS:  
OKANAGAN AND KAMLOOPS LAKES: 340 METRES.  
COQUIHALLA - HOPE TO MERRITT: 1230 METRES.  
COQUIHALLA - MERRITT TO KAMLOOPS: 1440 METRES.  
CONNECTOR - PENNASK SUMMIT: 1728 METRES.  
ALLISON PASS: 1340 METRES.  
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NORTH OKANAGAN - INCLUDING VERNON  
CENTRAL OKANAGAN - INCLUDING KELOWNA.  
TONIGHT..SHOWERS. RISK OF SEVERE THUNDERSTORMS THIS EVENING. RISK OF  
A THUNDERSTORM OVERNIGHT. AMOUNT 5 TO 10 MM EXCEPT 25 MM NEAR  
THUNDERSTORMS. WIDESPREAD SMOKE BECOMING LOCAL SMOKE AFTER MIDNIGHT.  
WIND SOUTHWEST 40 KM/H GUSTING TO 60 EXCEPT GUSTING TO 90 NEAR  
THUNDERSTORMS THIS EVENING. WIND BECOMING LIGHT LATE THIS EVENING.  
LOW 15.  
SUNDAY..SHOWERS ENDING LATE IN THE AFTERNOON THEN MAINLY CLOUDY WITH  
30 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM IN THE MORNING  
AND AFTERNOON. LOCAL SMOKE. WIND BECOMING SOUTHWEST 30 KM/H GUSTING  
TO 50 NEAR NOON. HIGH 23 WITH TEMPERATURE FALLING TO 19 IN THE  
AFTERNOON. HUMIDEX 25. UV INDEX 3 OR MODERATE.  
SUNDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY  
IN THE EVENING. CLEARING IN THE EVENING. LOCAL SMOKE. LOW 12.  
 
SOUTH OKANAGAN - INCLUDING PENTICTON.  
TONIGHT..SHOWERS WITH SEVERE THUNDERSTORMS ENDING NEAR MIDNIGHT THEN  
CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. BECOMING PARTLY CLOUDY  
OVERNIGHT. RISK OF A THUNDERSTORM AFTER MIDNIGHT. LOCAL SMOKE  
BECOMING WIDESPREAD SMOKE NEAR MIDNIGHT. WIND NORTH 40 KM/H GUSTING  
TO 60 EXCEPT GUSTING TO 80 NEAR THUNDERSTORMS THIS EVENING AND AFTER  
MIDNIGHT. WIND BECOMING LIGHT AFTER MIDNIGHT. LOW 15.  
SUNDAY..A MIX OF SUN AND CLOUD. 40 PERCENT CHANCE OF SHOWERS IN THE  
AFTERNOON WITH RISK OF A THUNDERSTORM. WIDESPREAD SMOKE. WIND  
BECOMING NORTH 30 KM/H GUSTING TO 50 NEAR NOON. HIGH 25. HUMIDEX 26.  
UV INDEX 5 OR MODERATE.  
SUNDAY NIGHT..WIDESPREAD SMOKE. WIND NORTH 30 KM/H GUSTING TO 50  
BECOMING LIGHT IN THE EVENING. LOW 13.  
 
REMAINDER UNCHANGED.  
 
END  
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