408   
FPCN52 CWVR 171753  
EXTENDED FORECASTS FROM THURSDAY NIGHT 18 SEPTEMBER TO TUESDAY 23  
SEPTEMBER FOR THE SOUTHWEST AND CENTRAL INTERIOR OF BRITISH COLUMBIA  
ISSUED BY ENVIRONMENT CANADA AT 11:00 A.M. PDT WEDNESDAY 17 SEPTEMBER  
2025.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 4:00 P.M. PDT.  
  
OKANAGAN VALLEY.  
THURSDAY NIGHT..CLEAR. LOW 11.  
FRIDAY..SUNNY. HIGH 28.  
FRIDAY NIGHT..CLEAR. LOW 13.  
SATURDAY..SUNNY. HIGH 27.  
SATURDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 14.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 19.  
SUNDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 10.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH 20.  
MONDAY NIGHT..CLOUDY PERIODS. LOW 10.  
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 22.  
NORMALS FOR THE PERIOD..LOW 7. HIGH 19.  
  
SIMILKAMEEN  
MANNING - SKAGIT VALLEY.  
THURSDAY NIGHT..CLEAR. LOW 7.  
FRIDAY..SUNNY. HIGH 28.  
FRIDAY NIGHT..CLEAR. LOW 7.  
SATURDAY..SUNNY. HIGH 29.  
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 10.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 19.  
SUNDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 11.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH 21.  
MONDAY NIGHT..CLOUDY PERIODS. LOW 11.  
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 23.  
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 21.  
  
FRASER CANYON.  
THURSDAY NIGHT..CLEAR. LOW 11.  
FRIDAY..SUNNY. HIGH 29.  
FRIDAY NIGHT..CLEAR. WINDY. LOW 15.  
SATURDAY..INCREASING CLOUDINESS. WINDY. HIGH 28.  
SATURDAY NIGHT..SHOWERS. LOW 14.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 22.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW 10.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH 19.  
MONDAY NIGHT..CLOUDY PERIODS. LOW 10.  
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 22.  
NORMALS FOR THE PERIOD..LOW 6. HIGH 19.  
  
NICOLA.  
THURSDAY NIGHT..CLEAR. LOW 7.  
FRIDAY..SUNNY. HIGH 24.  
FRIDAY NIGHT..CLEAR. LOW 8.  
SATURDAY..INCREASING CLOUDINESS. HIGH 22.  
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 10.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 18.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW 11.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH 20.  
MONDAY NIGHT..CLOUDY PERIODS. LOW 11.  
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 23.  
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 21.  
  
SOUTH THOMPSON.  
THURSDAY NIGHT..CLEAR. LOW 10.  
FRIDAY..SUNNY. HIGH 28.  
FRIDAY NIGHT..CLEAR. LOW 13.  
SATURDAY..SUNNY. HIGH 25.  
SATURDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 15.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS.  
 HIGH 21.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW 11.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH 22.  
MONDAY NIGHT..CLOUDY PERIODS. LOW 11.  
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 25.  
NORMALS FOR THE PERIOD..LOW 8. HIGH 21.  
  
SHUSWAP.  
THURSDAY NIGHT..CLEAR. LOW 10.  
FRIDAY..SUNNY. HIGH 25.  
FRIDAY NIGHT..CLEAR. LOW 10.  
SATURDAY..SUNNY. HIGH 25.  
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 13.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS.  
 HIGH 19.  
SUNDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 10.  
MONDAY..CLOUDY. HIGH 18.  
MONDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 10.  
TUESDAY..CLOUDY. HIGH 21.  
NORMALS FOR THE PERIOD..LOW 6. HIGH 19.  
  
100 MILE.  
THURSDAY NIGHT..CLEAR. LOW PLUS 5.  
FRIDAY..SUNNY. HIGH 25.  
FRIDAY NIGHT..CLEAR. LOW 7.  
SATURDAY..INCREASING CLOUDINESS. HIGH 23.  
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 9.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 18.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW 6.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH 17.  
MONDAY NIGHT..CLOUDY PERIODS. LOW 7.  
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 20.  
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 17.  
  
CHILCOTIN.  
THURSDAY NIGHT..CLEAR. LOW MINUS 2.  
FRIDAY..SUNNY. HIGH 21.  
FRIDAY NIGHT..CLEAR. LOW PLUS 5.  
SATURDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 19.  
SATURDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS. LOW  
 PLUS 4.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 15.  
SUNDAY NIGHT..CLEAR. LOW ZERO.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH 18.  
MONDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.  
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 20.  
NORMALS FOR THE PERIOD..LOW 6. HIGH 19.  
  
CARIBOO.  
THURSDAY NIGHT..CLEAR. LOW PLUS 5.  
FRIDAY..SUNNY. HIGH 22.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 8.  
SATURDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 20.  
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 8.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 17.  
SUNDAY NIGHT..CLOUDY. LOW PLUS 5.  
MONDAY..CLOUDY. HIGH 17.  
MONDAY NIGHT..CLOUDY. LOW 6.  
TUESDAY..CLOUDY. HIGH 18.  
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 17.  
  
PRINCE GEORGE.  
THURSDAY NIGHT..CLEAR. LOW PLUS 4.  
FRIDAY..SUNNY. HIGH 20.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 10.  
SATURDAY..SHOWERS. HIGH 17.  
SATURDAY NIGHT..PERIODS OF RAIN. LOW 8.  
SUNDAY..CLOUDY. HIGH 14.  
SUNDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW PLUS 5.  
MONDAY..CLOUDY. HIGH 16.  
MONDAY NIGHT..CLOUDY. LOW PLUS 5.  
TUESDAY..CLOUDY. HIGH 16.  
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 16.  
  
STUART - NECHAKO.  
THURSDAY NIGHT..CLEAR. LOW 6.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 17.  
FRIDAY NIGHT..CLOUDY. LOW 11.  
SATURDAY..SHOWERS. HIGH 13.  
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 8.  
SUNDAY..CLOUDY. HIGH 12.  
SUNDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW PLUS 5.  
MONDAY..CLOUDY. HIGH 15.  
MONDAY NIGHT..CLOUDY. LOW PLUS 5.  
TUESDAY..CLOUDY. HIGH 15.  
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 15.  
  
YELLOWHEAD.  
THURSDAY NIGHT..CLEAR. LOW PLUS 3.  
FRIDAY..SUNNY. HIGH 19.  
FRIDAY NIGHT..CLEAR. LOW PLUS 5.  
SATURDAY..INCREASING CLOUDINESS. HIGH 18.  
SATURDAY NIGHT..PERIODS OF RAIN. LOW PLUS 5.  
SUNDAY..PERIODS OF RAIN. HIGH 12.  
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 6.  
MONDAY..CLOUDY. HIGH 16.  
MONDAY NIGHT..CLOUDY. LOW 6.  
TUESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 17.  
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 14.  
  
MCGREGOR.  
THURSDAY NIGHT..CLEAR. LOW PLUS 3.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 17.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 9.  
SATURDAY..RAIN. HIGH 12.  
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW PLUS 5.  
SUNDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 13.  
SUNDAY NIGHT..CLOUDY. LOW PLUS 5.  
MONDAY..CLOUDY. HIGH 16.  
MONDAY NIGHT..CLOUDY. LOW PLUS 5.  
TUESDAY..CLOUDY. HIGH 15.  
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 15.  
  
WILLISTON.  
THURSDAY NIGHT..CLEAR. LOW PLUS 5.  
FRIDAY..CLOUDY. HIGH 17.  
FRIDAY NIGHT..CLOUDY. LOW 11.  
SATURDAY..PERIODS OF RAIN. HIGH 15.  
SATURDAY NIGHT..PERIODS OF RAIN. LOW 9.  
SUNDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 13.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH 16.  
MONDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.  
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 14.  
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 14.  
  
BULKLEY VALLEY AND THE LAKES DISTRICT.  
THURSDAY NIGHT..INCREASING CLOUDINESS. LOW 7.  
FRIDAY..CLOUDY WITH 70 PERCENT CHANCE OF SHOWERS. HIGH 15.  
FRIDAY NIGHT..SHOWERS. LOW 11.  
SATURDAY..SHOWERS. HIGH 15.  
SATURDAY NIGHT..CLOUDY. LOW 7.  
SUNDAY..CLOUDY WITH 70 PERCENT CHANCE OF SHOWERS. HIGH 12.  
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW PLUS 5.  
MONDAY..CLOUDY. HIGH 13.  
MONDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW PLUS 4.  
TUESDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 13.  
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 15.  
  
END  
 
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