632  
FPCN54 CWVR 141055  
EXTENDED FORECASTS FROM MONDAY NIGHT 15 SEPTEMBER TO SATURDAY 20  
SEPTEMBER FOR THE COLUMBIA AND KOOTENAY DISTRICTS OF BRITISH COLUMBIA  
ISSUED BY ENVIRONMENT CANADA AT 5:00 A.M. MDT SUNDAY 14 SEPTEMBER  
2025.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. MDT.  
 
WEST COLUMBIA.  
MONDAY NIGHT..CLEAR. LOW 8.  
TUESDAY..SUNNY. HIGH 24.  
TUESDAY NIGHT..CLEAR. LOW 10.  
WEDNESDAY..SUNNY. HIGH 22.  
WEDNESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 11.  
THURSDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 17.  
THURSDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
LOW 9.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 19.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 9.  
SATURDAY..CLOUDY. HIGH 17.  
NORMALS FOR THE PERIOD..LOW 7. HIGH 18.  
 
EAST COLUMBIA.  
MONDAY NIGHT..CLEAR. LOW 8.  
TUESDAY..SUNNY. HIGH 24.  
TUESDAY NIGHT..CLEAR. LOW 7.  
WEDNESDAY..SUNNY. HIGH 24.  
WEDNESDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
LOW 7.  
THURSDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
HIGH 17.  
THURSDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
LOW 6.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 19.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 6.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 18.  
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 18.  
 
NORTH COLUMBIA.  
MONDAY NIGHT..CLEAR. LOW PLUS 5.  
TUESDAY..SUNNY. HIGH 24.  
TUESDAY NIGHT..CLEAR. LOW 7.  
WEDNESDAY..SUNNY. HIGH 22.  
WEDNESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 8.  
THURSDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 18.  
THURSDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 7.  
FRIDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 20.  
FRIDAY NIGHT..CLOUDY. LOW 7.  
SATURDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 19.  
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 18.  
 
KINBASKET.  
MONDAY NIGHT..CLEAR. LOW PLUS 5.  
TUESDAY..SUNNY. HIGH 18.  
TUESDAY NIGHT..CLEAR. LOW PLUS 5.  
WEDNESDAY..SUNNY. HIGH 18.  
WEDNESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 8.  
THURSDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 18.  
THURSDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
LOW 7.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 20.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 7.  
SATURDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
HIGH 18.  
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 17.  
 
YOHO PARK - KOOTENAY PARK.  
MONDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.  
TUESDAY..SUNNY. HIGH 21.  
TUESDAY NIGHT..CLEAR. LOW PLUS 3.  
WEDNESDAY..SUNNY. HIGH 20.  
WEDNESDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
LOW 6.  
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 17.  
THURSDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS. LOW  
PLUS 5.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 19.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 19.  
NORMALS FOR THE PERIOD..LOW MINUS 1. HIGH 14.  
 
NORTH THOMPSON.  
MONDAY NIGHT..CLEAR. LOW 6.  
TUESDAY..SUNNY. HIGH 20.  
TUESDAY NIGHT..CLEAR. LOW 8.  
WEDNESDAY..SUNNY. HIGH 22.  
WEDNESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 9.  
THURSDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 19.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 8.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 21.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 9.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 21.  
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 19.  
 
BOUNDARY.  
MONDAY NIGHT..CLEAR. LOW 9.  
TUESDAY..SUNNY. HIGH 23.  
TUESDAY NIGHT..CLEAR. LOW 9.  
WEDNESDAY..SUNNY. HIGH 24.  
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW 11.  
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 22.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 10.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 22.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 10.  
SATURDAY..CLOUDY. HIGH 21.  
NORMALS FOR THE PERIOD..LOW 6. HIGH 22.  
 
ARROW LAKES - SLOCAN LAKE.  
MONDAY NIGHT..CLEAR. LOW 9.  
TUESDAY..SUNNY. HIGH 24.  
TUESDAY NIGHT..CLEAR. LOW 10.  
WEDNESDAY..SUNNY. HIGH 23.  
WEDNESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 10.  
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 20.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 9.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 21.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 9.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 19.  
NORMALS FOR THE PERIOD..LOW 7. HIGH 18.  
 
WEST KOOTENAY.  
MONDAY NIGHT..CLEAR. LOW 10.  
TUESDAY..SUNNY. HIGH 27.  
TUESDAY NIGHT..CLEAR. LOW 10.  
WEDNESDAY..SUNNY. HIGH 28.  
WEDNESDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
LOW 10.  
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 21.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 9.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 23.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 9.  
SATURDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 20.  
NORMALS FOR THE PERIOD..LOW 7. HIGH 21.  
 
KOOTENAY LAKE.  
MONDAY NIGHT..CLOUDY PERIODS. LOW 14.  
TUESDAY..SUNNY. HIGH 26.  
TUESDAY NIGHT..CLEAR. LOW 12.  
WEDNESDAY..SUNNY. HIGH 27.  
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW 10.  
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 21.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 9.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 21.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 9.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 21.  
NORMALS FOR THE PERIOD..LOW 7. HIGH 21.  
 
EAST KOOTENAY.  
MONDAY NIGHT..CLOUDY PERIODS. LOW 11.  
TUESDAY..SUNNY. HIGH 26.  
TUESDAY NIGHT..CLEAR. LOW 9.  
WEDNESDAY..SUNNY. HIGH 26.  
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW 9.  
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 22.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 8.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 21.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 8.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 20.  
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 21.  
 
ELK VALLEY.  
MONDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
LOW 9.  
TUESDAY..SUNNY. HIGH 24.  
TUESDAY NIGHT..CLEAR. LOW PLUS 5.  
WEDNESDAY..SUNNY. HIGH 25.  
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW 8.  
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 22.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 7.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 20.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 8.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 21.  
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 16.  
 
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