646   
FPCN52 CWTO 270850  
EXTENDED FORECASTS FROM FRIDAY NIGHT 28 AUGUST TO WEDNESDAY 2  
SEPTEMBER FOR NORTHERN ONTARIO ISSUED BY ENVIRONMENT CANADA AT  
5:30 A.M. EDT THURSDAY 27 AUGUST 2026.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:30 A.M. EDT.  
  
CITY OF THUNDER BAY.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 10.  
SATURDAY..CLOUDY. HIGH 20.  
SATURDAY NIGHT..CLOUDY. LOW 13.  
SUNDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 23.  
SUNDAY NIGHT..CLOUDY PERIODS WITH 60 PERCENT CHANCE OF SHOWERS.  
 LOW 14.  
MONDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 21.  
MONDAY NIGHT..CLOUDY. LOW 14.  
TUESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 22.  
TUESDAY NIGHT..CLOUDY. LOW 13.  
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 23.  
NORMALS FOR THE PERIOD..LOW 8. HIGH 21.  
  
KENORA - NESTOR FALLS.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 15.  
SATURDAY..CLOUDY. HIGH 23.  
SATURDAY NIGHT..CLOUDY PERIODS. LOW 15.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 23.  
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 15.  
MONDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 20.  
MONDAY NIGHT..CLOUDY. LOW 14.  
TUESDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 22.  
TUESDAY NIGHT..CLOUDY PERIODS. LOW 15.  
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 23.  
NORMALS FOR THE PERIOD..LOW 11. HIGH 21.  
  
DRYDEN - IGNACE.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 13.  
SATURDAY..CLOUDY. HIGH 23.  
SATURDAY NIGHT..CLOUDY PERIODS. LOW 14.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 23.  
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 14.  
MONDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 20.  
MONDAY NIGHT..CLOUDY. LOW 14.  
TUESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 21.  
TUESDAY NIGHT..CLOUDY PERIODS. LOW 13.  
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 23.  
NORMALS FOR THE PERIOD..LOW 10. HIGH 21.  
  
FORT FRANCES - RAINY LAKE.  
FRIDAY NIGHT..CLOUDY. LOW 14.  
SATURDAY..CLOUDY. HIGH 22.  
SATURDAY NIGHT..CLOUDY PERIODS. LOW 15.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS.  
 HIGH 23.  
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 14.  
MONDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 20.  
MONDAY NIGHT..CLOUDY. LOW 14.  
TUESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 21.  
TUESDAY NIGHT..CLOUDY PERIODS. LOW 14.  
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 23.  
NORMALS FOR THE PERIOD..LOW 10. HIGH 22.  
  
ATIKOKAN - UPSALA - QUETICO.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 10.  
SATURDAY..CLOUDY. HIGH 19.  
SATURDAY NIGHT..CLOUDY PERIODS. LOW 13.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS.  
 HIGH 23.  
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 12.  
MONDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 20.  
MONDAY NIGHT..CLOUDY. LOW 13.  
TUESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 20.  
TUESDAY NIGHT..CLOUDY PERIODS. LOW 12.  
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 21.  
NORMALS FOR THE PERIOD..LOW 9. HIGH 21.  
  
SUPERIOR WEST.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 10.  
SATURDAY..CLOUDY. HIGH 20.  
SATURDAY NIGHT..CLOUDY. LOW 13.  
SUNDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 23.  
SUNDAY NIGHT..CLOUDY PERIODS WITH 60 PERCENT CHANCE OF SHOWERS.  
 LOW 13.  
MONDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 20.  
MONDAY NIGHT..CLOUDY. LOW 13.  
TUESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 22.  
TUESDAY NIGHT..CLOUDY. LOW 13.  
WEDNESDAY..CLOUDY. HIGH 23.  
NORMALS FOR THE PERIOD..LOW 9. HIGH 21.  
  
RED LAKE - EAR FALLS.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 13.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 25.  
SATURDAY NIGHT..CLOUDY PERIODS. LOW 14.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 24.  
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 14.  
MONDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 20.  
MONDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 14.  
TUESDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 21.  
TUESDAY NIGHT..CLOUDY PERIODS. LOW 14.  
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 24.  
NORMALS FOR THE PERIOD..LOW 10. HIGH 20.  
  
SIOUX LOOKOUT - SAVANT LAKE.  
FRIDAY NIGHT..CLEAR. LOW 12.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 23.  
SATURDAY NIGHT..CLOUDY PERIODS. LOW 13.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 23.  
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 13.  
MONDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 20.  
MONDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 13.  
TUESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 22.  
TUESDAY NIGHT..CLOUDY PERIODS. LOW 13.  
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 23.  
NORMALS FOR THE PERIOD..LOW 10. HIGH 20.  
  
LAKE NIPIGON - WABAKIMI.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 9.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 23.  
SATURDAY NIGHT..CLOUDY PERIODS. LOW 12.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 24.  
SUNDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 12.  
MONDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 20.  
MONDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 13.  
TUESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 21.  
TUESDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 12.  
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 22.  
NORMALS FOR THE PERIOD..LOW 8. HIGH 19.  
  
GERALDTON - MANITOUWADGE - HORNEPAYNE.  
FRIDAY NIGHT..CLEAR. LOW 7.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 23.  
SATURDAY NIGHT..CLOUDY PERIODS. LOW 11.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 23.  
SUNDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 11.  
MONDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 21.  
MONDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 13.  
TUESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 20.  
TUESDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 12.  
WEDNESDAY..CLOUDY. HIGH 22.  
NORMALS FOR THE PERIOD..LOW 7. HIGH 19.  
  
NIPIGON - MARATHON - SUPERIOR NORTH.  
FRIDAY NIGHT..CLEAR. LOW 8.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 20.  
SATURDAY NIGHT..CLOUDY. LOW 12.  
SUNDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 23.  
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 12.  
MONDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 20.  
MONDAY NIGHT..CLOUDY. LOW 13.  
TUESDAY..CLOUDY. HIGH 20.  
TUESDAY NIGHT..CLOUDY. LOW 12.  
WEDNESDAY..CLOUDY. HIGH 21.  
NORMALS FOR THE PERIOD..LOW 8. HIGH 20.  
  
WAWA - WHITE RIVER - PUKASKWA.  
FRIDAY NIGHT..CLEAR. LOW 10.  
SATURDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 18.  
SATURDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 13.  
SUNDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 18.  
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 14.  
MONDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 18.  
MONDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 14.  
TUESDAY..CLOUDY. HIGH 18.  
TUESDAY NIGHT..CLOUDY. LOW 13.  
WEDNESDAY..CLOUDY. HIGH 18.  
NORMALS FOR THE PERIOD..LOW 8. HIGH 20.  
  
SAULT STE. MARIE - SUPERIOR EAST.  
FRIDAY NIGHT..CLEAR. LOW 11.  
SATURDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 22.  
SATURDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 14.  
SUNDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 22.  
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 15.  
MONDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 22.  
MONDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 15.  
TUESDAY..CLOUDY. HIGH 23.  
TUESDAY NIGHT..CLOUDY. LOW 14.  
WEDNESDAY..CLOUDY. HIGH 22.  
NORMALS FOR THE PERIOD..LOW 10. HIGH 21.  
  
KAPUSKASING - HEARST.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 7.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 21.  
SATURDAY NIGHT..CLOUDY PERIODS. LOW 12.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 21.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW 9.  
MONDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 20.  
MONDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 12.  
TUESDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 19.  
TUESDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 12.  
WEDNESDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 20.  
NORMALS FOR THE PERIOD..LOW 8. HIGH 20.  
  
TIMMINS - COCHRANE.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 8.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 21.  
SATURDAY NIGHT..CLOUDY. LOW 10.  
SUNDAY..CLOUDY. HIGH 21.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW 9.  
MONDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 20.  
MONDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 11.  
TUESDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 19.  
TUESDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 12.  
WEDNESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 20.  
NORMALS FOR THE PERIOD..LOW 8. HIGH 21.  
  
GREATER SUDBURY AND VICINITY.  
FRIDAY NIGHT..CLEAR. LOW 10.  
SATURDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 20.  
SATURDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 14.  
SUNDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 20.  
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 15.  
MONDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 21.  
MONDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 15.  
TUESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 22.  
TUESDAY NIGHT..CLOUDY. LOW 15.  
WEDNESDAY..CLOUDY. HIGH 21.  
NORMALS FOR THE PERIOD..LOW 10. HIGH 21.  
  
CHAPLEAU - GOGAMA.  
FRIDAY NIGHT..CLEAR. LOW 10.  
SATURDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 20.  
SATURDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 14.  
SUNDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 20.  
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 13.  
MONDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 20.  
MONDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 14.  
TUESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 19.  
TUESDAY NIGHT..CLOUDY. LOW 13.  
WEDNESDAY..CLOUDY. HIGH 19.  
NORMALS FOR THE PERIOD..LOW 8. HIGH 20.  
  
KIRKLAND LAKE - TEMISKAMING SHORES - TEMAGAMI.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 8.  
SATURDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 21.  
SATURDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 14.  
SUNDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 20.  
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 11.  
MONDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 21.  
MONDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 13.  
TUESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 20.  
TUESDAY NIGHT..CLOUDY PERIODS. LOW 13.  
WEDNESDAY..CLOUDY. HIGH 21.  
NORMALS FOR THE PERIOD..LOW 10. HIGH 21.  
  
ELLIOT LAKE - RANGER LAKE.  
FRIDAY NIGHT..CLEAR. LOW 11.  
SATURDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 21.  
SATURDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 16.  
SUNDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 21.  
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 16.  
MONDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 21.  
MONDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 16.  
TUESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 22.  
TUESDAY NIGHT..CLOUDY PERIODS. LOW 15.  
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 22.  
NORMALS FOR THE PERIOD..LOW 12. HIGH 21.  
  
MANITOULIN - BLIND RIVER - KILLARNEY.  
FRIDAY NIGHT..CLEAR. LOW 12.  
SATURDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 21.  
SATURDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 16.  
SUNDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 22.  
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 17.  
MONDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 22.  
MONDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 16.  
TUESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 23.  
TUESDAY NIGHT..CLOUDY PERIODS. LOW 15.  
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 23.  
NORMALS FOR THE PERIOD..LOW 12. HIGH 21.  
  
NORTH BAY - WEST NIPISSING.  
FRIDAY NIGHT..CLEAR. LOW 9.  
SATURDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 20.  
SATURDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 14.  
SUNDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 20.  
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 15.  
MONDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 21.  
MONDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 15.  
TUESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 20.  
TUESDAY NIGHT..CLOUDY. LOW 15.  
WEDNESDAY..CLOUDY. HIGH 20.  
NORMALS FOR THE PERIOD..LOW 11. HIGH 21.  
  
END  
 
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