164  
FPCN13 CWVR 141149  
FORECASTS FOR THE SOUTHWEST INTERIOR OF BRITISH COLUMBIA ISSUED BY  
ENVIRONMENT CANADA AT 5:00 A.M. PDT SUNDAY 14 SEPTEMBER 2025 FOR  
TODAY AND MONDAY.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. PDT.  
 
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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.  
TODAY..INCREASING CLOUDINESS EARLY THIS MORNING. 70 PERCENT CHANCE OF  
SHOWERS THIS AFTERNOON. RISK OF THUNDERSTORMS OVER THE RIDGES LATE  
THIS AFTERNOON. HAZY. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40  
THIS AFTERNOON. HIGH 24. UV INDEX 3 OR MODERATE.  
TONIGHT..CLOUDY. 70 PERCENT CHANCE OF SHOWERS THIS EVENING THEN  
30 PERCENT CHANCE OF SHOWERS LATE THIS EVENING AND AFTER MIDNIGHT.  
CLEARING BEFORE MORNING. RISK OF THUNDERSTORMS OVER THE RIDGES THIS  
EVENING. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS  
EVENING. LOW 13.  
MONDAY..SUNNY. HIGH 25. UV INDEX 5 OR MODERATE.  
 
SOUTH OKANAGAN - INCLUDING PENTICTON.  
TODAY..CLOUDY. 70 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. HAZY  
BECOMING LOCAL SMOKE EARLY THIS MORNING. WIND BECOMING SOUTH 20 KM/H  
NEAR NOON. HIGH 24. UV INDEX 4 OR MODERATE.  
TONIGHT..CLOUDY. 70 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING.  
WIND SOUTH 20 KM/H BECOMING LIGHT THIS EVENING. LOW 15.  
MONDAY..CLEARING IN THE MORNING. WIND BECOMING NORTH 20 KM/H LATE IN  
THE AFTERNOON. HIGH 26. UV INDEX 5 OR MODERATE.  
 
SIMILKAMEEN.  
TODAY..CLOUDY. A FEW SHOWERS BEGINNING THIS AFTERNOON. WIND BECOMING  
WEST 20 KM/H THIS AFTERNOON. HIGH 21. UV INDEX 3 OR MODERATE.  
TONIGHT..A FEW SHOWERS ENDING LATE THIS EVENING THEN CLOUDY WITH  
40 PERCENT CHANCE OF SHOWERS. WIND WEST 20 KM/H BECOMING LIGHT THIS  
EVENING. LOW 10.  
MONDAY..CLEARING IN THE MORNING. HIGH 23. UV INDEX 5 OR MODERATE.  
 
FRASER CANYON - NORTH INCLUDING LILLOOET.  
TODAY..CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. HIGH 23.  
UV INDEX 3 OR MODERATE.  
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING AND  
AFTER MIDNIGHT. LOW 14.  
MONDAY..CLEARING LATE IN THE MORNING. HIGH 26. UV INDEX 5 OR  
MODERATE.  
 
FRASER CANYON - SOUTH INCLUDING LYTTON.  
TODAY..CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. WIND  
BECOMING SOUTH 20 KM/H GUSTING TO 40 THIS AFTERNOON. HIGH 22. UV  
INDEX 3 OR MODERATE.  
TONIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING. 40  
PERCENT CHANCE OF DRIZZLE NEAR BOSTON BAR OVERNIGHT. WIND SOUTH  
20 KM/H GUSTING TO 40 BECOMING LIGHT LATE THIS EVENING. LOW 14.  
MONDAY..CLOUDY. CLEARING EARLY IN THE AFTERNOON. 40 PERCENT CHANCE OF  
DRIZZLE NEAR BOSTON BAR EARLY IN THE MORNING. HIGH 27. UV INDEX 3 OR  
MODERATE.  
 
NICOLA.  
TODAY..CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. WIND  
BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 EARLY THIS AFTERNOON.  
HIGH 21. UV INDEX 3 OR MODERATE.  
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING.  
WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT LATE THIS  
EVENING. LOW 10.  
MONDAY..CLEARING IN THE MORNING. HIGH 25. UV INDEX 5 OR MODERATE.  
 
SOUTH THOMPSON.  
TODAY..INCREASING CLOUDINESS. 30 PERCENT CHANCE OF SHOWERS LATE THIS  
AFTERNOON. WIND BECOMING SOUTHWEST 20 KM/H THIS AFTERNOON. HIGH 24.  
UV INDEX 4 OR MODERATE.  
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING.  
BECOMING PARTLY CLOUDY NEAR MIDNIGHT. WIND SOUTHWEST 20 KM/H  
BECOMING LIGHT THIS EVENING. LOW 15.  
MONDAY..A MIX OF SUN AND CLOUD. BECOMING SUNNY IN THE MORNING.  
HIGH 26. UV INDEX 5 OR MODERATE.  
 
SHUSWAP.  
TODAY..INCREASING CLOUDINESS. 40 PERCENT CHANCE OF SHOWERS THIS  
AFTERNOON. HAZY EARLY THIS MORNING. HIGH 20. UV INDEX 5 OR MODERATE.  
TONIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING.  
LOW 13.  
MONDAY..CLEARING IN THE MORNING. HIGH 23. UV INDEX 5 OR MODERATE.  
 
MANNING - SKAGIT VALLEY.  
TODAY..CLOUDY. A FEW SHOWERS BEGINNING THIS AFTERNOON. LOCAL SMOKE  
THIS MORNING AND EARLY THIS AFTERNOON. WIND BECOMING WEST 20 KM/H  
GUSTING TO 40 THIS AFTERNOON. HIGH 17. UV INDEX 4 OR MODERATE.  
TONIGHT..A FEW SHOWERS ENDING THIS EVENING THEN CLOUDY WITH  
30 PERCENT CHANCE OF DRIZZLE. WIND WEST 20 KM/H GUSTING TO 40  
BECOMING LIGHT THIS EVENING. LOW 9.  
MONDAY..CLEARING IN THE MORNING. HIGH 21. UV INDEX 5 OR MODERATE.  
 
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