530   
FPCN52 CWTO 151954  
EXTENDED FORECASTS FROM WEDNESDAY 17 SEPTEMBER TO SUNDAY 21 SEPTEMBER  
FOR NORTHERN ONTARIO ISSUED BY ENVIRONMENT CANADA AT 4:00 P.M. EDT  
MONDAY 15 SEPTEMBER 2025.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:30 A.M. EDT TUESDAY.  
  
CITY OF THUNDER BAY.  
WEDNESDAY..SUNNY. HIGH 24.  
WEDNESDAY NIGHT..CLOUDY. LOW 11.  
THURSDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 17.  
THURSDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 8.  
FRIDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 16.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 6.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 16.  
SATURDAY NIGHT..CLOUDY PERIODS. LOW 7.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 17.  
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 17.  
  
KENORA - NESTOR FALLS.  
WEDNESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 21.  
WEDNESDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 11.  
THURSDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 19.  
THURSDAY NIGHT..CLOUDY. LOW 11.  
FRIDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 19.  
FRIDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 10.  
SATURDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 19.  
SATURDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 11.  
SUNDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 20.  
NORMALS FOR THE PERIOD..LOW 7. HIGH 16.  
  
DRYDEN - IGNACE.  
WEDNESDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 21.  
WEDNESDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 10.  
THURSDAY..CLOUDY. HIGH 18.  
THURSDAY NIGHT..CLOUDY. LOW 9.  
FRIDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 18.  
FRIDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 8.  
SATURDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 19.  
SATURDAY NIGHT..CLOUDY PERIODS. LOW 9.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 20.  
NORMALS FOR THE PERIOD..LOW 6. HIGH 16.  
  
FORT FRANCES - RAINY LAKE.  
WEDNESDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 23.  
WEDNESDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 11.  
THURSDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 20.  
THURSDAY NIGHT..CLOUDY. LOW 10.  
FRIDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 18.  
FRIDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 9.  
SATURDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 19.  
SATURDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 10.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 21.  
NORMALS FOR THE PERIOD..LOW 6. HIGH 17.  
  
ATIKOKAN - UPSALA - QUETICO.  
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 23.  
WEDNESDAY NIGHT..CLOUDY. LOW 10.  
THURSDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 19.  
THURSDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 7.  
FRIDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 17.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 7.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 19.  
SATURDAY NIGHT..CLOUDY PERIODS. LOW 7.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 19.  
NORMALS FOR THE PERIOD..LOW 6. HIGH 17.  
  
SUPERIOR WEST.  
WEDNESDAY..SUNNY. HIGH 23.  
WEDNESDAY NIGHT..CLOUDY. LOW 11.  
THURSDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 18.  
THURSDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 7.  
FRIDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 16.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 17.  
SATURDAY NIGHT..CLOUDY PERIODS. LOW 6.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 18.  
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 17.  
  
RED LAKE - EAR FALLS.  
WEDNESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 19.  
WEDNESDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 9.  
THURSDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 19.  
THURSDAY NIGHT..CLOUDY. LOW 8.  
FRIDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 19.  
FRIDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 9.  
SATURDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 19.  
SATURDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 10.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 20.  
NORMALS FOR THE PERIOD..LOW 6. HIGH 15.  
  
SIOUX LOOKOUT - SAVANT LAKE.  
WEDNESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 21.  
WEDNESDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 9.  
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 19.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 7.  
FRIDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 19.  
FRIDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 7.  
SATURDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 19.  
SATURDAY NIGHT..CLOUDY PERIODS. LOW 8.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 20.  
NORMALS FOR THE PERIOD..LOW 7. HIGH 15.  
  
LAKE NIPIGON - WABAKIMI.  
WEDNESDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 22.  
WEDNESDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 9.  
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 18.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 17.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 18.  
SATURDAY NIGHT..CLOUDY PERIODS. LOW 6.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 20.  
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 15.  
  
GERALDTON - MANITOUWADGE - HORNEPAYNE.  
WEDNESDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 24.  
WEDNESDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 9.  
THURSDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 17.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 15.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 18.  
SATURDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS. LOW  
 PLUS 5.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 20.  
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 15.  
  
NIPIGON - MARATHON - SUPERIOR NORTH.  
WEDNESDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 22.  
WEDNESDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 11.  
THURSDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 18.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 6.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 16.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 17.  
SATURDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 7.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 18.  
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 16.  
  
WAWA - WHITE RIVER - PUKASKWA.  
WEDNESDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 24.  
WEDNESDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 11.  
THURSDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 19.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 6.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 16.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 17.  
SATURDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 7.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 18.  
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 16.  
  
SAULT STE. MARIE - SUPERIOR EAST.  
WEDNESDAY..SUNNY. HIGH 24.  
WEDNESDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 12.  
THURSDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 21.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 8.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 16.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 18.  
SATURDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 8.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 19.  
NORMALS FOR THE PERIOD..LOW 6. HIGH 17.  
  
KAPUSKASING - HEARST.  
WEDNESDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 25.  
WEDNESDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 10.  
THURSDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 16.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 14.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 2.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 17.  
SATURDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS. LOW  
 PLUS 5.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 20.  
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 15.  
  
TIMMINS - COCHRANE.  
WEDNESDAY..SUNNY. HIGH 27.  
WEDNESDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 11.  
THURSDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 16.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 14.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 1.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 18.  
SATURDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS. LOW  
 PLUS 4.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 19.  
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 16.  
  
GREATER SUDBURY AND VICINITY.  
WEDNESDAY..SUNNY. HIGH 26.  
WEDNESDAY NIGHT..CLEAR. LOW 12.  
THURSDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 21.  
THURSDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 9.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 17.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 18.  
SATURDAY NIGHT..CLOUDY PERIODS. LOW 6.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 19.  
NORMALS FOR THE PERIOD..LOW 7. HIGH 17.  
  
CHAPLEAU - GOGAMA.  
WEDNESDAY..SUNNY. HIGH 26.  
WEDNESDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 11.  
THURSDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 17.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 14.  
FRIDAY NIGHT..CLEAR. LOW PLUS 2.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 18.  
SATURDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 6.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 20.  
NORMALS FOR THE PERIOD..LOW 6. HIGH 16.  
  
KIRKLAND LAKE - TEMISKAMING SHORES - TEMAGAMI.  
WEDNESDAY..SUNNY. HIGH 27.  
WEDNESDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 12.  
THURSDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 17.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 14.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW ZERO.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 18.  
SATURDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS. LOW  
 PLUS 5.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 19.  
NORMALS FOR THE PERIOD..LOW 6. HIGH 17.  
  
ELLIOT LAKE - RANGER LAKE.  
WEDNESDAY..SUNNY. HIGH 25.  
WEDNESDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 12.  
THURSDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 21.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 9.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 18.  
FRIDAY NIGHT..CLEAR. LOW PLUS 3.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 18.  
SATURDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 8.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 19.  
NORMALS FOR THE PERIOD..LOW 8. HIGH 17.  
  
MANITOULIN - BLIND RIVER - KILLARNEY.  
WEDNESDAY..SUNNY. HIGH 25.  
WEDNESDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 13.  
THURSDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 23.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 11.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 19.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 7.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 18.  
SATURDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 9.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 18.  
NORMALS FOR THE PERIOD..LOW 9. HIGH 18.  
  
NORTH BAY - WEST NIPISSING.  
WEDNESDAY..SUNNY. HIGH 26.  
WEDNESDAY NIGHT..CLEAR. LOW 13.  
THURSDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 23.  
THURSDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 7.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 17.  
FRIDAY NIGHT..CLEAR. LOW PLUS 3.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 18.  
SATURDAY NIGHT..CLOUDY PERIODS. LOW 6.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 20.  
NORMALS FOR THE PERIOD..LOW 8. HIGH 17.  
  
END  
 
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