524
FPCN12 CWTO 211945
FORECASTS FOR NORTHERN ONTARIO ISSUED BY ENVIRONMENT CANADA AT
4:00 P.M. EDT THURSDAY 21 MAY 2026 FOR TONIGHT FRIDAY AND FRIDAY
NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:30 A.M. EDT FRIDAY.
CITY OF THUNDER BAY.
TONIGHT..CLEAR. WIND EAST 20 KM/H BECOMING LIGHT LATE THIS EVENING.
LOW MINUS 1 WITH PATCHY FROST.
FRIDAY..SUNNY. WIND BECOMING EAST 20 KM/H LATE IN THE MORNING.
HIGH 13. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..A FEW CLOUDS. INCREASING CLOUDINESS NEAR MIDNIGHT. WIND
EAST 20 KM/H BECOMING LIGHT NEAR MIDNIGHT. LOW PLUS 5.
KENORA - GRASSY NARROWS - WHITEDOG.
TONIGHT..CLEAR. WIND SOUTH 20 KM/H BECOMING LIGHT LATE THIS EVENING.
LOW 9.
FRIDAY..CLEARING IN THE MORNING. WIND BECOMING SOUTHEAST 20 KM/H IN
THE AFTERNOON. HIGH 18. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..BECOMING CLOUDY IN THE EVENING WITH SHOWERS. WIND
SOUTHEAST 20 KM/H. LOW 9.
SIOUX NARROWS - NESTOR FALLS - MORSON.
TONIGHT..CLEAR. BECOMING PARTLY CLOUDY NEAR MIDNIGHT. LOW 9.
FRIDAY..CLEARING IN THE MORNING. WIND BECOMING SOUTHEAST 20 KM/H IN
THE AFTERNOON. HIGH 18. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..CLOUDY. SHOWERS BEGINNING LATE IN THE EVENING. WIND
SOUTHEAST 20 KM/H BECOMING LIGHT AFTER MIDNIGHT. LOW 9.
DRYDEN - VERMILION BAY.
TONIGHT..CLEAR. WIND SOUTH 20 KM/H BECOMING LIGHT LATE THIS EVENING.
LOW PLUS 5.
FRIDAY..SUNNY. WIND BECOMING SOUTHEAST 20 KM/H IN THE AFTERNOON.
HIGH 18. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..BECOMING CLOUDY IN THE EVENING WITH SHOWERS. WIND
SOUTHEAST 20 KM/H BECOMING LIGHT AFTER MIDNIGHT. LOW 7.
IGNACE - ENGLISH RIVER.
TONIGHT..CLEAR. LOW PLUS 5.
FRIDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD LATE IN THE AFTERNOON.
HIGH 18. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..CLOUDY. SHOWERS BEGINNING LATE IN THE EVENING. LOW 7.
FORT FRANCES - EMO - RAINY RIVER.
TONIGHT..CLEAR. BECOMING PARTLY CLOUDY THIS EVENING. LOW PLUS 5.
FRIDAY..SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON. WIND BECOMING
SOUTHEAST 20 KM/H IN THE AFTERNOON. HIGH 19. UV INDEX 7 OR HIGH.
FRIDAY NIGHT..CLOUDY. SHOWERS BEGINNING EARLY IN THE EVENING. WIND
EAST 20 KM/H. LOW 7.
SEINE RIVER VILLAGE - MINE CENTRE.
TONIGHT..A FEW CLOUDS. LOW PLUS 5.
FRIDAY..SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON. WIND BECOMING
SOUTHEAST 20 KM/H IN THE AFTERNOON. HIGH 19. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..CLOUDY. SHOWERS BEGINNING EARLY IN THE EVENING. WIND
SOUTHEAST 20 KM/H BECOMING LIGHT IN THE EVENING. LOW 7.
ATIKOKAN - SHEBANDOWAN - QUETICO PARK.
TONIGHT..CLEAR. LOW MINUS 1 WITH FROST.
FRIDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON.
HIGH 19. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..CLOUDY. SHOWERS BEGINNING NEAR MIDNIGHT. LOW 6.
UPSALA - RAITH.
TONIGHT..CLEAR. LOW MINUS 1 WITH FROST.
FRIDAY..SUNNY. HIGH 18. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..CLOUDY. LOW 6.
CLOUD BAY - DORION.
TONIGHT..CLEAR. LOW MINUS 1 WITH PATCHY FROST.
FRIDAY..SUNNY. WIND BECOMING EAST 20 KM/H LATE IN THE MORNING.
HIGH 13. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..A FEW CLOUDS. LOW PLUS 5.
KAKABEKA FALLS - WHITEFISH LAKE - ARROW LAKE.
TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 2 WITH FROST. WIND
CHILL MINUS 4 OVERNIGHT.
FRIDAY..SUNNY. WIND BECOMING EAST 20 KM/H LATE IN THE MORNING.
HIGH 16. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..A FEW CLOUDS. INCREASING CLOUDINESS NEAR MIDNIGHT. LOW
PLUS 5.
RED LAKE - WOODLAND CARIBOU PARK.
TONIGHT..A FEW SHOWERS ENDING EARLY THIS EVENING THEN PARTLY CLOUDY
WITH 30 PERCENT CHANCE OF SHOWERS. LOW PLUS 5.
FRIDAY..MAINLY SUNNY. HIGH 18. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..INCREASING CLOUDINESS EARLY IN THE EVENING. 70 PERCENT
CHANCE OF SHOWERS OVERNIGHT. LOW 9.
EAR FALLS - PERRAULT FALLS - WESTERN LAC SEUL.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. CLEARING THIS EVENING. LOW 6.
FRIDAY..SUNNY. HIGH 18. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..BECOMING CLOUDY IN THE EVENING. 70 PERCENT CHANCE OF
SHOWERS OVERNIGHT. LOW 8.
SIOUX LOOKOUT - EASTERN LAC SEUL.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. OTHERWISE CLEAR. LOW PLUS 3.
FRIDAY..SUNNY. HIGH 18. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..BECOMING CLOUDY IN THE EVENING. 70 PERCENT CHANCE OF
SHOWERS OVERNIGHT. LOW 7.
SAVANT LAKE - STURGEON LAKE.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. OTHERWISE CLEAR. LOW PLUS 3.
FRIDAY..SUNNY. HIGH 18. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..BECOMING CLOUDY LATE IN THE EVENING. 70 PERCENT CHANCE
OF SHOWERS OVERNIGHT. LOW 7.
GULL BAY - BLACK STURGEON LAKE.
TONIGHT..CLEAR. LOW MINUS 1.
FRIDAY..SUNNY. HIGH 14. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..INCREASING CLOUDINESS IN THE EVENING. LOW PLUS 4.
BEARDMORE - JELLICOE - MACDIARMID.
TONIGHT..CLEAR. LOW MINUS 1.
FRIDAY..SUNNY. HIGH 14. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY IN THE EVENING. LOW
PLUS 4.
ARMSTRONG - AUDEN - WABAKIMI PARK.
TONIGHT..PARTLY CLOUDY. CLEARING THIS EVENING. WIND SOUTH 20 KM/H
BECOMING LIGHT LATE THIS EVENING. LOW MINUS 2. WIND CHILL MINUS 5
OVERNIGHT.
FRIDAY..SUNNY. WIND BECOMING SOUTH 20 KM/H LATE IN THE AFTERNOON.
HIGH 18. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..INCREASING CLOUDINESS IN THE EVENING. WIND SOUTH
20 KM/H BECOMING LIGHT NEAR MIDNIGHT. LOW PLUS 1.
GERALDTON - LONGLAC - CARAMAT.
TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 3. WIND CHILL MINUS 7
OVERNIGHT.
FRIDAY..SUNNY. WIND UP TO 15 KM/H. HIGH 17. WIND CHILL MINUS 4 IN THE
MORNING. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY NEAR MIDNIGHT. LOW
PLUS 1.
MANITOUWADGE - HORNEPAYNE.
TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 3. WIND CHILL MINUS 7
OVERNIGHT.
FRIDAY..SUNNY. WIND UP TO 15 KM/H. HIGH 18. WIND CHILL MINUS 4 IN THE
MORNING. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW PLUS 1.
NAKINA - AROLAND - PAGWA.
TONIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 3. WIND CHILL
MINUS 7 OVERNIGHT.
FRIDAY..SUNNY. WIND UP TO 15 KM/H. HIGH 18. WIND CHILL MINUS 6 IN THE
MORNING. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY AFTER MIDNIGHT. LOW
PLUS 1.
NIPIGON - ROSSPORT.
TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 2 WITH FROST. WIND
CHILL MINUS 4 OVERNIGHT.
FRIDAY..SUNNY. HIGH 13. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..A FEW CLOUDS. LOW PLUS 5.
MARATHON - SCHREIBER.
TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 3 WITH FROST. WIND
CHILL MINUS 5 OVERNIGHT.
FRIDAY..SUNNY. HIGH 13. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY OVERNIGHT. LOW PLUS 5.
WAWA - PUKASKWA PARK.
TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 2 WITH FROST. WIND
CHILL MINUS 4 OVERNIGHT.
FRIDAY..SUNNY. HIGH 18. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 6.
WHITE RIVER - DUBREUILVILLE.
TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 2 WITH FROST. WIND
CHILL MINUS 4 OVERNIGHT.
FRIDAY..SUNNY. HIGH 18. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 6.
SAULT STE. MARIE - ST. JOSEPH ISLAND.
TONIGHT..CLEAR. LOW ZERO WITH PATCHY FROST.
FRIDAY..SUNNY. WIND BECOMING EAST 20 KM/H IN THE AFTERNOON. HIGH 17.
UV INDEX 7 OR HIGH.
FRIDAY NIGHT..CLEAR. WIND EAST 20 KM/H BECOMING LIGHT NEAR MIDNIGHT.
LOW 9.
SEARCHMONT - MONTREAL RIVER HARBOUR - BATCHAWANA BAY.
TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 2 WITH FROST. WIND
CHILL MINUS 4 OVERNIGHT.
FRIDAY..SUNNY. HIGH 16. UV INDEX 7 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 8.
AGAWA - LAKE SUPERIOR PARK.
TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 3 WITH FROST. WIND
CHILL MINUS 5 OVERNIGHT.
FRIDAY..SUNNY. HIGH 16. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 8.
KAPUSKASING - HEARST - SMOOTH ROCK FALLS.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR THIS EVENING. LOW MINUS 2.
FRIDAY..SUNNY. HIGH 19. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW PLUS 5.
FRASERDALE - PLEDGER LAKE.
TONIGHT..CLEARING. FOG PATCHES DEVELOPING AFTER MIDNIGHT. LOW
MINUS 2.
FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 18. UV
INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW PLUS 5.
TIMMINS - COCHRANE - IROQUOIS FALLS.
TONIGHT..A FEW CLOUDS. LOW MINUS 2.
FRIDAY..SUNNY. HIGH 19. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW PLUS 5.
LITTLE ABITIBI - KESAGAMI LAKE.
TONIGHT..MAINLY CLOUDY. CLEARING LATE THIS EVENING. FOG PATCHES
DEVELOPING AFTER MIDNIGHT. LOW MINUS 2.
FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 18. UV
INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW PLUS 5.
GREATER SUDBURY AND VICINITY.
TONIGHT..CLEAR. LOW PLUS 1 WITH PATCHY FROST.
FRIDAY..SUNNY. HIGH 17. UV INDEX 7 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 7.
CHAPLEAU - MISSINAIBI LAKE.
TONIGHT..PARTLY CLOUDY. CLEARING THIS EVENING. WIND UP TO 15 KM/H.
LOW MINUS 2 WITH FROST. WIND CHILL MINUS 4 OVERNIGHT.
FRIDAY..SUNNY. HIGH 18. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 6.
GOGAMA - FOLEYET.
TONIGHT..CLEARING. WIND UP TO 15 KM/H. LOW MINUS 2 WITH FROST. WIND
CHILL MINUS 4 OVERNIGHT.
FRIDAY..SUNNY. HIGH 18. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 6.
KIRKLAND LAKE - ENGLEHART.
TONIGHT..CLEARING THIS EVENING. WIND UP TO 15 KM/H. LOW MINUS 2 WITH
FROST. WIND CHILL MINUS 4 OVERNIGHT.
FRIDAY..SUNNY. HIGH 18. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW PLUS 4.
TEMISKAMING SHORES - TEMAGAMI.
TONIGHT..PARTLY CLOUDY. CLEARING THIS EVENING. LOW MINUS 2 WITH
FROST.
FRIDAY..SUNNY. HIGH 18. UV INDEX 6 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW PLUS 4.
ELLIOT LAKE - RANGER LAKE.
TONIGHT..CLEAR. LOW PLUS 1 WITH PATCHY FROST.
FRIDAY..SUNNY. HIGH 17. UV INDEX 7 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 9.
MANITOULIN ISLAND.
TONIGHT..CLEAR. LOW PLUS 2 WITH RISK OF FROST.
FRIDAY..MAINLY SUNNY. WIND BECOMING EAST 20 KM/H LATE IN THE MORNING.
HIGH 15. UV INDEX 7 OR HIGH.
FRIDAY NIGHT..CLEAR. WIND EAST 20 KM/H. LOW 9.
BLIND RIVER - THESSALON.
TONIGHT..CLEAR. LOW PLUS 1 WITH PATCHY FROST.
FRIDAY..SUNNY. WIND BECOMING EAST 20 KM/H LATE IN THE MORNING.
HIGH 16. UV INDEX 7 OR HIGH.
FRIDAY NIGHT..CLEAR. WIND EAST 20 KM/H. LOW 9.
ESPANOLA - KILLARNEY.
TONIGHT..CLEAR. LOW PLUS 1 WITH PATCHY FROST.
FRIDAY..SUNNY. HIGH 16. UV INDEX 7 OR HIGH.
FRIDAY NIGHT..CLEAR. WIND BECOMING EAST 20 KM/H NEAR MIDNIGHT. LOW 9.
NORTH BAY - POWASSAN - MATTAWA.
TONIGHT..CLEAR. LOW PLUS 1 WITH PATCHY FROST.
FRIDAY..SUNNY. HIGH 17. UV INDEX 7 OR HIGH.
FRIDAY NIGHT..CLEAR. WIND BECOMING EAST 20 KM/H BEFORE MORNING.
LOW 9.
WEST NIPISSING - FRENCH RIVER.
TONIGHT..CLEAR. LOW PLUS 1 WITH PATCHY FROST.
FRIDAY..SUNNY. HIGH 17. UV INDEX 7 OR HIGH.
FRIDAY NIGHT..CLEAR. WIND BECOMING EAST 20 KM/H BEFORE MORNING.
LOW 9.
END
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