070   
FPCN52 CWTO 191954  
EXTENDED FORECASTS FROM THURSDAY 21 AUGUST TO MONDAY 25 AUGUST FOR  
NORTHERN ONTARIO ISSUED BY ENVIRONMENT CANADA AT 4:00 P.M. EDT  
TUESDAY 19 AUGUST 2025.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:30 A.M. EDT  
WEDNESDAY.  
  
CITY OF THUNDER BAY.  
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 25.  
THURSDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 16.  
FRIDAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS.  
 HIGH 25.  
FRIDAY NIGHT..CLOUDY PERIODS WITH 40 PERCENT CHANCE OF SHOWERS.  
 LOW 11.  
SATURDAY..A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS.  
 HIGH 18.  
SATURDAY NIGHT..CLOUDY PERIODS WITH 60 PERCENT CHANCE OF SHOWERS.  
 LOW 11.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS.  
 HIGH 18.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW 7.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH 20.  
NORMALS FOR THE PERIOD..LOW 10. HIGH 23.  
  
KENORA - NESTOR FALLS.  
THURSDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 27.  
THURSDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 13.  
FRIDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 21.  
FRIDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 11.  
SATURDAY..A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS.  
 HIGH 15.  
SATURDAY NIGHT..CLOUDY PERIODS WITH 40 PERCENT CHANCE OF SHOWERS.  
 LOW 9.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 18.  
SUNDAY NIGHT..CLEAR. LOW 8.  
MONDAY..SUNNY. HIGH 20.  
NORMALS FOR THE PERIOD..LOW 13. HIGH 22.  
  
DRYDEN - IGNACE.  
THURSDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 27.  
THURSDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 15.  
FRIDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 22.  
FRIDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 11.  
SATURDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 14.  
SATURDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 9.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 16.  
SUNDAY NIGHT..CLEAR. LOW 6.  
MONDAY..SUNNY. HIGH 19.  
NORMALS FOR THE PERIOD..LOW 11. HIGH 22.  
  
FORT FRANCES - RAINY LAKE.  
THURSDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 28.  
THURSDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 16.  
FRIDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 24.  
FRIDAY NIGHT..CLOUDY PERIODS WITH 40 PERCENT CHANCE OF SHOWERS.  
 LOW 12.  
SATURDAY..A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS.  
 HIGH 15.  
SATURDAY NIGHT..CLOUDY PERIODS WITH 40 PERCENT CHANCE OF SHOWERS.  
 LOW 10.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 17.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW 6.  
MONDAY..SUNNY. HIGH 20.  
NORMALS FOR THE PERIOD..LOW 11. HIGH 23.  
  
ATIKOKAN - UPSALA - QUETICO.  
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 27.  
THURSDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 16.  
FRIDAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS.  
 HIGH 23.  
FRIDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 11.  
SATURDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 16.  
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 8.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS.  
 HIGH 15.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH 19.  
NORMALS FOR THE PERIOD..LOW 11. HIGH 23.  
  
SUPERIOR WEST.  
THURSDAY..INCREASING CLOUDINESS. HIGH 26.  
THURSDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 17.  
FRIDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 25.  
FRIDAY NIGHT..CLOUDY PERIODS WITH 40 PERCENT CHANCE OF SHOWERS.  
 LOW 12.  
SATURDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 17.  
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 10.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS.  
 HIGH 17.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW 7.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH 19.  
NORMALS FOR THE PERIOD..LOW 10. HIGH 23.  
  
RED LAKE - EAR FALLS.  
THURSDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 25.  
THURSDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 13.  
FRIDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 20.  
FRIDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 11.  
SATURDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 14.  
SATURDAY NIGHT..CLOUDY PERIODS WITH 40 PERCENT CHANCE OF SHOWERS.  
 LOW 8.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 18.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW 8.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH 20.  
NORMALS FOR THE PERIOD..LOW 11. HIGH 22.  
  
SIOUX LOOKOUT - SAVANT LAKE.  
THURSDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 25.  
THURSDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 15.  
FRIDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 23.  
FRIDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 11.  
SATURDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 14.  
SATURDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 9.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 16.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW 6.  
MONDAY..SUNNY. HIGH 19.  
NORMALS FOR THE PERIOD..LOW 12. HIGH 22.  
  
LAKE NIPIGON - WABAKIMI.  
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 25.  
THURSDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 16.  
FRIDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 24.  
FRIDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 12.  
SATURDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 16.  
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 10.  
SUNDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 14.  
SUNDAY NIGHT..CLOUDY PERIODS WITH 40 PERCENT CHANCE OF SHOWERS.  
 LOW 7.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH 18.  
NORMALS FOR THE PERIOD..LOW 9. HIGH 22.  
  
GERALDTON - MANITOUWADGE - HORNEPAYNE.  
THURSDAY..SUNNY. HIGH 25.  
THURSDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 16.  
FRIDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 24.  
FRIDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 12.  
SATURDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 16.  
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 10.  
SUNDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 14.  
SUNDAY NIGHT..CLOUDY PERIODS WITH 40 PERCENT CHANCE OF SHOWERS.  
 LOW 7.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH 18.  
NORMALS FOR THE PERIOD..LOW 8. HIGH 21.  
  
NIPIGON - MARATHON - SUPERIOR NORTH.  
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 22.  
THURSDAY NIGHT..CLOUDY. LOW 14.  
FRIDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 22.  
FRIDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 12.  
SATURDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 16.  
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 10.  
SUNDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 14.  
SUNDAY NIGHT..CLOUDY PERIODS WITH 40 PERCENT CHANCE OF SHOWERS.  
 LOW 7.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH 18.  
NORMALS FOR THE PERIOD..LOW 9. HIGH 22.  
  
WAWA - WHITE RIVER - PUKASKWA.  
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 24.  
THURSDAY NIGHT..CLOUDY. LOW 14.  
FRIDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 21.  
FRIDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 12.  
SATURDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 16.  
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 10.  
SUNDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 12.  
SUNDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 6.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH 15.  
NORMALS FOR THE PERIOD..LOW 9. HIGH 21.  
  
SAULT STE. MARIE - SUPERIOR EAST.  
THURSDAY..SUNNY. HIGH 26.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 14.  
FRIDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 25.  
FRIDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 13.  
SATURDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 20.  
SATURDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 10.  
SUNDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 15.  
SUNDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 7.  
MONDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 16.  
NORMALS FOR THE PERIOD..LOW 10. HIGH 22.  
  
KAPUSKASING - HEARST.  
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 25.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 16.  
FRIDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 24.  
FRIDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 15.  
SATURDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 20.  
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 11.  
SUNDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 13.  
SUNDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 8.  
MONDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 15.  
NORMALS FOR THE PERIOD..LOW 9. HIGH 21.  
  
TIMMINS - COCHRANE.  
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 24.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 15.  
FRIDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 26.  
FRIDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 15.  
SATURDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 21.  
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 11.  
SUNDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 14.  
SUNDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 9.  
MONDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 15.  
NORMALS FOR THE PERIOD..LOW 10. HIGH 22.  
  
GREATER SUDBURY AND VICINITY.  
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 26.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 14.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 26.  
FRIDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 16.  
SATURDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 23.  
SATURDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 12.  
SUNDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 17.  
SUNDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 10.  
MONDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 15.  
NORMALS FOR THE PERIOD..LOW 12. HIGH 22.  
  
CHAPLEAU - GOGAMA.  
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 25.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 15.  
FRIDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 25.  
FRIDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 14.  
SATURDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 22.  
SATURDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 11.  
SUNDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 15.  
SUNDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 8.  
MONDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 14.  
NORMALS FOR THE PERIOD..LOW 9. HIGH 21.  
  
KIRKLAND LAKE - TEMISKAMING SHORES - TEMAGAMI.  
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 26.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 14.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 26.  
FRIDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 16.  
SATURDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 22.  
SATURDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 12.  
SUNDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 17.  
SUNDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 10.  
MONDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 14.  
NORMALS FOR THE PERIOD..LOW 11. HIGH 22.  
  
ELLIOT LAKE - RANGER LAKE.  
THURSDAY..SUNNY. HIGH 26.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 13.  
FRIDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 26.  
FRIDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 16.  
SATURDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 23.  
SATURDAY NIGHT..CLOUDY PERIODS WITH 40 PERCENT CHANCE OF SHOWERS.  
 LOW 12.  
SUNDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 16.  
SUNDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 9.  
MONDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 16.  
NORMALS FOR THE PERIOD..LOW 13. HIGH 22.  
  
MANITOULIN - BLIND RIVER - KILLARNEY.  
THURSDAY..SUNNY. HIGH 26.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 16.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 26.  
FRIDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 17.  
SATURDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 22.  
SATURDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 13.  
SUNDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 18.  
SUNDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 11.  
MONDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 17.  
NORMALS FOR THE PERIOD..LOW 13. HIGH 23.  
  
NORTH BAY - WEST NIPISSING.  
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 26.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 13.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 26.  
FRIDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 16.  
SATURDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 23.  
SATURDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 13.  
SUNDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 18.  
SUNDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 10.  
MONDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 16.  
NORMALS FOR THE PERIOD..LOW 12. HIGH 23.  
  
END  
 
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