078  
FPCN13 CWVR 311145  
FORECASTS FOR THE SOUTHWEST INTERIOR OF BRITISH COLUMBIA ISSUED BY  
ENVIRONMENT CANADA AT 5:00 A.M. PDT MONDAY 31 MARCH 2025 FOR TODAY  
AND TUESDAY.  
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.  
TODAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF  
THUNDERSTORMS OVER THE RIDGES LATE THIS AFTERNOON. SNOW LEVEL 1200  
METRES RISING TO 1500 METRES NEAR NOON. HIGH 12. UV INDEX 1 OR LOW.  
TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. SNOW LEVEL  
1500 METRES LOWERING TO 1000 METRES OVERNIGHT. LOW PLUS 4.  
TUESDAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. SNOW LEVEL  
1000 METRES RISING TO 1500 METRES IN THE AFTERNOON. HIGH 13. UV  
INDEX 3 OR MODERATE.  
 
CENTRAL OKANAGAN - INCLUDING KELOWNA.  
TODAY..SHOWERS. RISK OF THUNDERSTORMS OVER THE RIDGES LATE THIS  
AFTERNOON. SNOW LEVEL 1100 METRES RISING TO 1500 METRES NEAR NOON.  
HIGH 11. UV INDEX 1 OR LOW.  
TONIGHT..A FEW SHOWERS ENDING THIS EVENING THEN CLOUDY WITH  
30 PERCENT CHANCE OF SHOWERS. SNOW LEVEL 1500 METRES LOWERING TO 900  
METRES OVERNIGHT. LOW PLUS 4.  
TUESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS IN THE MORNING THEN  
A MIX OF SUN AND CLOUD. SNOW LEVEL 900 METRES. WIND BECOMING  
SOUTHWEST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH 12. UV INDEX 3 OR  
MODERATE.  
 
SOUTH OKANAGAN - INCLUDING PENTICTON.  
TODAY..SHOWERS ENDING NEAR NOON THEN CLOUDY WITH 40 PERCENT CHANCE OF  
SHOWERS. RISK OF THUNDERSTORMS LATE THIS AFTERNOON. SNOW LEVEL 1100  
METRES RISING TO 1500 METRES NEAR NOON. WIND BECOMING SOUTH 20 KM/H  
NEAR NOON. HIGH 13. UV INDEX 1 OR LOW.  
TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF  
THUNDERSTORMS EARLY THIS EVENING. SNOW LEVEL 1500 METRES LOWERING TO  
600 METRES OVERNIGHT. WIND SOUTH 20 KM/H BECOMING LIGHT LATE THIS  
EVENING. LOW PLUS 5.  
TUESDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS IN THE MORNING AND  
EARLY IN THE AFTERNOON THEN A MIX OF SUN AND CLOUD. SNOW LEVEL 600  
METRES RISING TO 1500 METRES IN THE AFTERNOON. WIND BECOMING NORTH  
20 KM/H GUSTING TO 40 IN THE MORNING THEN LIGHT IN THE AFTERNOON.  
HIGH 15. UV INDEX 1 OR LOW.  
 
SIMILKAMEEN  
MANNING - SKAGIT VALLEY.  
TODAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. SNOW LEVEL  
900 METRES RISING TO 1300 METRES NEAR NOON. WIND BECOMING WEST  
20 KM/H GUSTING TO 40 THIS AFTERNOON. TEMPERATURE STEADY NEAR  
PLUS 5. UV INDEX 2 OR LOW.  
TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. SNOW LEVEL  
1300 METRES LOWERING TO VALLEY BOTTOM OVERNIGHT. WIND WEST 20 KM/H  
GUSTING TO 40 BECOMING LIGHT THIS EVENING. TEMPERATURE STEADY NEAR  
PLUS 4.  
TUESDAY..CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE MORNING.  
BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. WIND BECOMING WEST  
20 KM/H GUSTING TO 40 IN THE AFTERNOON. HIGH 7. UV INDEX 2 OR LOW.  
 
FRASER CANYON - NORTH INCLUDING LILLOOET.  
TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. SNOW LEVEL  
1000 METRES RISING TO 1500 METRES NEAR NOON. HIGH 16. UV INDEX 3 OR  
MODERATE.  
TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. SNOW LEVEL  
LOWERING TO 700 METRES AFTER MIDNIGHT. LOW PLUS 3.  
TUESDAY..A MIX OF SUN AND CLOUD. 40 PERCENT CHANCE OF SHOWERS LATE IN  
THE AFTERNOON. HIGH 14. UV INDEX 3 OR MODERATE.  
 
FRASER CANYON - SOUTH INCLUDING LYTTON.  
TODAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. SNOW LEVEL 1100  
METRES RISING TO 1500 METRES NEAR NOON. WIND BECOMING SOUTH 30 KM/H  
GUSTING TO 50 LATE THIS MORNING THEN LIGHT LATE THIS AFTERNOON.  
HIGH 15. UV INDEX 1 OR LOW.  
TONIGHT..CLOUDY. BECOMING PARTLY CLOUDY NEAR MIDNIGHT WITH 40 PERCENT  
CHANCE OF SHOWERS OVERNIGHT. 40 PERCENT CHANCE OF SHOWERS NEAR  
BOSTON BAR. SNOW LEVEL 1000 METRES LOWERING TO 600 METRES OVERNIGHT.  
WIND BECOMING SOUTH 20 KM/H GUSTING TO 40 OVERNIGHT. LOW PLUS 5.  
TUESDAY..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE  
AFTERNOON. SNOW LEVEL 600 METRES RISING TO 1500 METRES IN THE  
AFTERNOON. WIND SOUTH 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE  
MORNING. WIND BECOMING SOUTH 30 GUSTING TO 60 NEAR NOON. HIGH 13. UV  
INDEX 3 OR MODERATE.  
 
NICOLA.  
TODAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. SNOW LEVEL 1400  
METRES. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 THIS  
AFTERNOON. HIGH 9. UV INDEX 1 OR LOW.  
TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF RAIN SHOWERS OR WET  
FLURRIES. SNOW LEVEL 1300 METRES LOWERING TO VALLEY BOTTOM  
OVERNIGHT. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT LATE  
THIS EVENING. LOW PLUS 3.  
TUESDAY..A MIX OF SUN AND CLOUD. 60 PERCENT CHANCE OF RAIN SHOWERS OR  
WET FLURRIES EARLY IN THE MORNING. 30 PERCENT CHANCE OF RAIN SHOWERS  
LATE IN THE AFTERNOON. SNOW LEVEL RISING TO 1500 METRES LATE IN THE  
AFTERNOON. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 LATE IN THE  
MORNING. HIGH 12. UV INDEX 3 OR MODERATE.  
 
SOUTH THOMPSON.  
TODAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. RISK OF A  
THUNDERSTORM THIS AFTERNOON. SNOW LEVEL 1100 METRES RISING TO 1500  
METRES NEAR NOON. WIND BECOMING SOUTHEAST 20 KM/H NEAR NOON.  
HIGH 14. UV INDEX 3 OR MODERATE.  
TONIGHT..MAINLY CLOUDY WITH 70 PERCENT CHANCE OF SHOWERS. RISK OF A  
THUNDERSTORM EARLY THIS EVENING. WIND SOUTHEAST 20 KM/H BECOMING  
LIGHT NEAR MIDNIGHT. LOW 6.  
TUESDAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY LATE IN THE  
AFTERNOON WITH 60 PERCENT CHANCE OF SHOWERS. WIND WEST 20 KM/H  
GUSTING TO 40. HIGH 13. UV INDEX 3 OR MODERATE.  
 
SHUSWAP.  
TODAY..CLOUDY. 40 PERCENT CHANCE OF SHOWERS. HIGH 10. UV INDEX 1 OR  
LOW.  
TONIGHT..PARTLY CLOUDY. BECOMING CLOUDY NEAR MIDNIGHT WITH 30 PERCENT  
CHANCE OF SHOWERS OVERNIGHT. LOW PLUS 3.  
TUESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS IN THE MORNING THEN  
A MIX OF SUN AND CLOUD. HIGH 13. UV INDEX 3 OR MODERATE.  
 
END  
 
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