110   
FPCN52 CWTO 171955  
EXTENDED FORECASTS FROM FRIDAY 19 SEPTEMBER TO TUESDAY 23 SEPTEMBER  
FOR NORTHERN ONTARIO ISSUED BY ENVIRONMENT CANADA AT 4:00 P.M. EDT  
WEDNESDAY 17 SEPTEMBER 2025.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:30 A.M. EDT THURSDAY.  
  
CITY OF THUNDER BAY.  
FRIDAY..CLOUDY. HIGH 16.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 8.  
SATURDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 16.  
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 17.  
SUNDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 7.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH 19.  
MONDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 8.  
TUESDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 19.  
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 17.  
  
KENORA - NESTOR FALLS.  
FRIDAY..CLOUDY. HIGH 19.  
FRIDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 11.  
SATURDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 19.  
SATURDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 13.  
SUNDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 21.  
SUNDAY NIGHT..CLOUDY. LOW 13.  
MONDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 21.  
MONDAY NIGHT..CLOUDY. LOW 12.  
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 20.  
NORMALS FOR THE PERIOD..LOW 7. HIGH 15.  
  
DRYDEN - IGNACE.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 18.  
FRIDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 10.  
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 11.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 20.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW 10.  
MONDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 21.  
MONDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 10.  
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 21.  
NORMALS FOR THE PERIOD..LOW 6. HIGH 15.  
  
FORT FRANCES - RAINY LAKE.  
FRIDAY..CLOUDY. HIGH 18.  
FRIDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 10.  
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 12.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 21.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW 10.  
MONDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 22.  
MONDAY NIGHT..CLOUDY PERIODS. LOW 10.  
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 20.  
NORMALS FOR THE PERIOD..LOW 6. HIGH 17.  
  
ATIKOKAN - UPSALA - QUETICO.  
FRIDAY..CLOUDY. HIGH 17.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 8.  
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 9.  
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 21.  
MONDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 7.  
TUESDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 20.  
NORMALS FOR THE PERIOD..LOW 6. HIGH 16.  
  
SUPERIOR WEST.  
FRIDAY..CLOUDY. HIGH 16.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 7.  
SATURDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 17.  
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.  
SUNDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 7.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH 20.  
MONDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 8.  
TUESDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 19.  
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 17.  
  
RED LAKE - EAR FALLS.  
FRIDAY..CLOUDY. HIGH 19.  
FRIDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 10.  
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.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW 12.  
MONDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 21.  
MONDAY NIGHT..CLOUDY PERIODS. LOW 11.  
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 21.  
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 14.  
  
SIOUX LOOKOUT - SAVANT LAKE.  
FRIDAY..A MIX OF SUN AND CLOUD. 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. HIGH 20.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW 10.  
MONDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 20.  
MONDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 10.  
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 21.  
NORMALS FOR THE PERIOD..LOW 6. HIGH 15.  
  
LAKE NIPIGON - WABAKIMI.  
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 8.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 20.  
SUNDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 9.  
MONDAY..CLOUDY. HIGH 20.  
MONDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 9.  
TUESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 20.  
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 14.  
  
GERALDTON - MANITOUWADGE - HORNEPAYNE.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 16.  
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 8.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 20.  
SUNDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 9.  
MONDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 20.  
MONDAY NIGHT..CLOUDY. LOW 9.  
TUESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 20.  
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 14.  
  
NIPIGON - MARATHON - SUPERIOR NORTH.  
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 10.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 18.  
SUNDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 10.  
MONDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 19.  
MONDAY NIGHT..CLOUDY. LOW 9.  
TUESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 18.  
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 15.  
  
WAWA - WHITE RIVER - PUKASKWA.  
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 9.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 18.  
SUNDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 10.  
MONDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 19.  
MONDAY NIGHT..CLOUDY. LOW 10.  
TUESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 18.  
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 15.  
  
SAULT STE. MARIE - SUPERIOR EAST.  
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. LOW 10.  
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..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 20.  
MONDAY NIGHT..CLOUDY. LOW 12.  
TUESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 19.  
NORMALS FOR THE PERIOD..LOW 6. HIGH 16.  
  
KAPUSKASING - HEARST.  
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 7.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 20.  
SUNDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 10.  
MONDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 21.  
MONDAY NIGHT..CLOUDY. LOW 10.  
TUESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 21.  
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 15.  
  
TIMMINS - COCHRANE.  
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. LOW PLUS 5.  
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 WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 22.  
MONDAY NIGHT..CLOUDY PERIODS. LOW 11.  
TUESDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 21.  
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 15.  
  
GREATER SUDBURY AND VICINITY.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 16.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 18.  
SATURDAY NIGHT..CLOUDY PERIODS. LOW 7.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 20.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW 10.  
MONDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 22.  
MONDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 13.  
TUESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 21.  
NORMALS FOR THE PERIOD..LOW 6. HIGH 16.  
  
CHAPLEAU - GOGAMA.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 14.  
FRIDAY NIGHT..CLEAR. LOW PLUS 1.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 17.  
SATURDAY NIGHT..CLOUDY PERIODS. LOW 7.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 20.  
SUNDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 10.  
MONDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 21.  
MONDAY NIGHT..CLOUDY. LOW 12.  
TUESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 20.  
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 16.  
  
KIRKLAND LAKE - TEMISKAMING SHORES - TEMAGAMI.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 14.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW MINUS 1.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 17.  
SATURDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.  
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..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 22.  
MONDAY NIGHT..CLOUDY. LOW 11.  
TUESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 21.  
NORMALS FOR THE PERIOD..LOW 6. HIGH 16.  
  
ELLIOT LAKE - RANGER LAKE.  
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 8.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 20.  
SUNDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 11.  
MONDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 21.  
MONDAY NIGHT..CLOUDY. LOW 12.  
TUESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 20.  
NORMALS FOR THE PERIOD..LOW 8. HIGH 17.  
  
MANITOULIN - BLIND RIVER - KILLARNEY.  
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. LOW 10.  
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 HIGH 18.  
SUNDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
 LOW 13.  
MONDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 18.  
MONDAY NIGHT..CLOUDY. LOW 12.  
TUESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 19.  
NORMALS FOR THE PERIOD..LOW 9. HIGH 17.  
  
NORTH BAY - WEST NIPISSING.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 16.  
FRIDAY NIGHT..CLEAR. LOW PLUS 2.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 18.  
SATURDAY NIGHT..CLOUDY PERIODS. LOW 6.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 20.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW 10.  
MONDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 22.  
MONDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 13.  
TUESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 21.  
NORMALS FOR THE PERIOD..LOW 7. HIGH 17.  
  
END  
 
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