855
FPCN52 CWTO 171954
EXTENDED FORECASTS FROM SATURDAY 19 SEPTEMBER TO WEDNESDAY 23
SEPTEMBER FOR NORTHERN ONTARIO ISSUED BY ENVIRONMENT CANADA AT
4:00 P.M. EDT THURSDAY 17 SEPTEMBER 2026.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:30 A.M. EDT FRIDAY.
CITY OF THUNDER BAY.
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 6.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 16.
SUNDAY NIGHT..CLOUDY PERIODS. LOW PLUS 1.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 17.
MONDAY NIGHT..CLOUDY PERIODS. LOW PLUS 2.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 17.
TUESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 18.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 17.
KENORA - NESTOR FALLS.
SATURDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
HIGH 19.
SATURDAY NIGHT..CLEAR. LOW 8.
SUNDAY..SUNNY. HIGH 18.
SUNDAY NIGHT..CLEAR. LOW 6.
MONDAY..SUNNY. HIGH 20.
MONDAY NIGHT..CLEAR. LOW 7.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 19.
TUESDAY NIGHT..CLOUDY PERIODS. LOW 9.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 18.
NORMALS FOR THE PERIOD..LOW 7. HIGH 15.
DRYDEN - IGNACE.
SATURDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 19.
SATURDAY NIGHT..CLEAR. LOW 6.
SUNDAY..SUNNY. HIGH 18.
SUNDAY NIGHT..CLEAR. LOW PLUS 3.
MONDAY..SUNNY. HIGH 20.
MONDAY NIGHT..CLEAR. LOW PLUS 3.
TUESDAY..SUNNY. HIGH 20.
TUESDAY NIGHT..CLEAR. LOW 7.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 19.
NORMALS FOR THE PERIOD..LOW 6. HIGH 15.
FORT FRANCES - RAINY LAKE.
SATURDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
HIGH 19.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 7.
SUNDAY..SUNNY. HIGH 18.
SUNDAY NIGHT..CLEAR. LOW PLUS 3.
MONDAY..SUNNY. HIGH 20.
MONDAY NIGHT..CLEAR. LOW PLUS 5.
TUESDAY..SUNNY. HIGH 19.
TUESDAY NIGHT..CLEAR. LOW 6.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 19.
NORMALS FOR THE PERIOD..LOW 6. HIGH 17.
ATIKOKAN - UPSALA - QUETICO.
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
PLUS 4.
SUNDAY..SUNNY. HIGH 17.
SUNDAY NIGHT..CLEAR. LOW ZERO.
MONDAY..SUNNY. HIGH 19.
MONDAY NIGHT..CLEAR. LOW PLUS 1.
TUESDAY..SUNNY. HIGH 19.
TUESDAY NIGHT..CLEAR. LOW PLUS 3.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 19.
NORMALS FOR THE PERIOD..LOW 6. HIGH 16.
SUPERIOR WEST.
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
PLUS 5.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 16.
SUNDAY NIGHT..CLOUDY PERIODS. LOW PLUS 2.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 17.
MONDAY NIGHT..CLOUDY PERIODS. LOW PLUS 2.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 17.
TUESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 18.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 17.
RED LAKE - EAR FALLS.
SATURDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 18.
SATURDAY NIGHT..CLEAR. LOW PLUS 5.
SUNDAY..SUNNY. HIGH 18.
SUNDAY NIGHT..CLEAR. LOW 7.
MONDAY..SUNNY. HIGH 20.
MONDAY NIGHT..CLEAR. LOW 8.
TUESDAY..SUNNY. HIGH 21.
TUESDAY NIGHT..CLEAR. LOW 9.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 19.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 14.
SIOUX LOOKOUT - SAVANT LAKE.
SATURDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 19.
SATURDAY NIGHT..CLEAR. LOW PLUS 4.
SUNDAY..SUNNY. HIGH 17.
SUNDAY NIGHT..CLEAR. LOW PLUS 4.
MONDAY..SUNNY. HIGH 20.
MONDAY NIGHT..CLEAR. LOW PLUS 4.
TUESDAY..SUNNY. HIGH 20.
TUESDAY NIGHT..CLEAR. LOW PLUS 5.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 19.
NORMALS FOR THE PERIOD..LOW 6. HIGH 15.
LAKE NIPIGON - WABAKIMI.
SATURDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 17.
SATURDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS. LOW
PLUS 3.
SUNDAY..SUNNY. HIGH 14.
SUNDAY NIGHT..CLEAR. LOW PLUS 2.
MONDAY..SUNNY. HIGH 18.
MONDAY NIGHT..CLEAR. LOW PLUS 3.
TUESDAY..SUNNY. HIGH 20.
TUESDAY NIGHT..CLEAR. LOW PLUS 4.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 18.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 14.
GERALDTON - MANITOUWADGE - HORNEPAYNE.
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
PLUS 3.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 14.
SUNDAY NIGHT..CLEAR. LOW ZERO.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 16.
MONDAY NIGHT..CLEAR. LOW PLUS 2.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 20.
TUESDAY NIGHT..CLEAR. LOW PLUS 4.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 19.
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 14.
NIPIGON - MARATHON - SUPERIOR NORTH.
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
PLUS 5.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 15.
SUNDAY NIGHT..CLOUDY PERIODS. LOW PLUS 1.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 16.
MONDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 18.
TUESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 17.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 15.
WAWA - WHITE RIVER - PUKASKWA.
SATURDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
HIGH 16.
SATURDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 6.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 15.
SUNDAY NIGHT..CLEAR. LOW PLUS 2.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 16.
MONDAY NIGHT..CLEAR. LOW PLUS 3.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 18.
TUESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 17.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 15.
SAULT STE. MARIE - SUPERIOR EAST.
SATURDAY..CLOUDY. HIGH 18.
SATURDAY NIGHT..CLOUDY. LOW 7.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 17.
SUNDAY NIGHT..CLEAR. LOW PLUS 4.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 16.
MONDAY NIGHT..CLEAR. LOW PLUS 5.
TUESDAY..SUNNY. HIGH 19.
TUESDAY NIGHT..CLEAR. LOW 7.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 19.
NORMALS FOR THE PERIOD..LOW 6. HIGH 16.
KAPUSKASING - HEARST.
SATURDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
HIGH 16.
SATURDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW PLUS 5.
SUNDAY..CLOUDY. HIGH 12.
SUNDAY NIGHT..CLOUDY PERIODS. LOW PLUS 1.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 13.
MONDAY NIGHT..CLEAR. LOW PLUS 1.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 19.
TUESDAY NIGHT..CLEAR. LOW PLUS 5.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 19.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 15.
TIMMINS - COCHRANE.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 16.
SATURDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW PLUS 4.
SUNDAY..CLOUDY. HIGH 12.
SUNDAY NIGHT..CLOUDY PERIODS. LOW PLUS 1.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 13.
MONDAY NIGHT..CLEAR. LOW PLUS 1.
TUESDAY..SUNNY. HIGH 19.
TUESDAY NIGHT..CLEAR. LOW PLUS 4.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 18.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 15.
GREATER SUDBURY AND VICINITY.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 18.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 8.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 15.
SUNDAY NIGHT..CLEAR. LOW PLUS 4.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 16.
MONDAY NIGHT..CLEAR. LOW PLUS 5.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 18.
TUESDAY NIGHT..CLOUDY PERIODS. LOW 6.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 17.
NORMALS FOR THE PERIOD..LOW 6. HIGH 16.
CHAPLEAU - GOGAMA.
SATURDAY..SUNNY. HIGH 17.
SATURDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.
LOW 7.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 15.
SUNDAY NIGHT..CLEAR. LOW PLUS 1.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 15.
MONDAY NIGHT..CLEAR. LOW PLUS 1.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 18.
TUESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 18.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 16.
KIRKLAND LAKE - TEMISKAMING SHORES - TEMAGAMI.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 18.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 7.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 15.
SUNDAY NIGHT..CLEAR. LOW PLUS 1.
MONDAY..SUNNY. HIGH 15.
MONDAY NIGHT..CLEAR. LOW PLUS 2.
TUESDAY..SUNNY. HIGH 19.
TUESDAY NIGHT..CLEAR. LOW PLUS 4.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 18.
NORMALS FOR THE PERIOD..LOW 6. HIGH 16.
ELLIOT LAKE - RANGER LAKE.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 18.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 10.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 18.
SUNDAY NIGHT..CLEAR. LOW PLUS 5.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 16.
MONDAY NIGHT..CLEAR. LOW 6.
TUESDAY..SUNNY. HIGH 18.
TUESDAY NIGHT..CLEAR. LOW 9.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 17.
NORMALS FOR THE PERIOD..LOW 8. HIGH 17.
MANITOULIN - BLIND RIVER - KILLARNEY.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 18.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 10.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 18.
SUNDAY NIGHT..CLEAR. LOW PLUS 4.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 16.
MONDAY NIGHT..CLEAR. LOW PLUS 5.
TUESDAY..SUNNY. HIGH 18.
TUESDAY NIGHT..CLEAR. LOW 7.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 18.
NORMALS FOR THE PERIOD..LOW 8. HIGH 17.
NORTH BAY - WEST NIPISSING.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 18.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 8.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 18.
SUNDAY NIGHT..CLEAR. LOW PLUS 3.
MONDAY..SUNNY. HIGH 16.
MONDAY NIGHT..CLEAR. LOW PLUS 3.
TUESDAY..SUNNY. HIGH 18.
TUESDAY NIGHT..CLEAR. LOW 7.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 17.
NORMALS FOR THE PERIOD..LOW 7. HIGH 17.
END
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