637
FPCN11 CWTO 121248 AAB
UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL
REGION ISSUED BY ENVIRONMENT CANADA AT 8:47 A.M. EDT MONDAY 12
OCTOBER 2026 FOR TODAY AND TUESDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. EDT.
GODERICH - BLUEWATER - SOUTHERN HURON COUNTY.
TODAY..A MIX OF SUN AND CLOUD. WIND BECOMING SOUTHWEST 20 KM/H
GUSTING TO 40 NEAR NOON. HIGH 22. HUMIDEX 27. UV INDEX 4 OR
MODERATE.
TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS BEFORE MORNING
WITH RISK OF A THUNDERSTORM. WIND SOUTHWEST 20 KM/H GUSTING TO 40
BECOMING LIGHT THIS EVENING. LOW 18.
TUESDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A
THUNDERSTORM. WIND SOUTHWEST 30 KM/H GUSTING TO 50. HIGH 24. HUMIDEX
28. UV INDEX 4 OR MODERATE.
WINGHAM - BLYTH - NORTHERN HURON COUNTY.
TODAY..A MIX OF SUN AND CLOUD. WIND BECOMING SOUTHWEST 20 KM/H
GUSTING TO 40 NEAR NOON. HIGH 22. HUMIDEX 27. UV INDEX 4 OR
MODERATE.
TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS BEFORE MORNING
WITH RISK OF A THUNDERSTORM. WIND SOUTHWEST 20 KM/H GUSTING TO 40
BECOMING LIGHT THIS EVENING. LOW 18.
TUESDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A
THUNDERSTORM. WIND SOUTHWEST 30 KM/H GUSTING TO 50. HIGH 24. HUMIDEX
28. UV INDEX 4 OR MODERATE.
STRATFORD - MITCHELL - SOUTHERN PERTH COUNTY.
TODAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING NEAR NOON.
WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH 22.
HUMIDEX 27. UV INDEX 4 OR MODERATE.
TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS BEFORE MORNING
WITH RISK OF A THUNDERSTORM. WIND SOUTHWEST 20 KM/H GUSTING TO 40
BECOMING LIGHT THIS EVENING. LOW 18.
TUESDAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF
A THUNDERSTORM. WIND SOUTHWEST 30 KM/H GUSTING TO 50. HIGH 24.
HUMIDEX 28. UV INDEX 4 OR MODERATE.
LISTOWEL - MILVERTON - NORTHERN PERTH COUNTY.
TODAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING NEAR NOON.
WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH 22.
HUMIDEX 25. UV INDEX 4 OR MODERATE.
TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS BEFORE MORNING
WITH RISK OF A THUNDERSTORM. WIND SOUTHWEST 20 KM/H GUSTING TO 40
BECOMING LIGHT THIS EVENING. LOW 16.
TUESDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A
THUNDERSTORM. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 IN THE
MORNING. HIGH 22. UV INDEX 4 OR MODERATE.
MOUNT FOREST - ARTHUR - NORTHERN WELLINGTON COUNTY.
TODAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING NEAR NOON.
WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH 22.
HUMIDEX 25. UV INDEX 4 OR MODERATE.
TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS BEFORE MORNING
WITH RISK OF A THUNDERSTORM. WIND SOUTHWEST 20 KM/H GUSTING TO 40
BECOMING LIGHT THIS EVENING. LOW 16.
TUESDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A
THUNDERSTORM. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 IN THE
MORNING. HIGH 22. UV INDEX 4 OR MODERATE.
ORANGEVILLE - GRAND VALLEY - SOUTHERN DUFFERIN COUNTY.
TODAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING NEAR NOON.
WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH 22.
HUMIDEX 25. UV INDEX 4 OR MODERATE.
TONIGHT..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS BEFORE MORNING
WITH RISK OF A THUNDERSTORM. WIND SOUTHWEST 20 KM/H GUSTING TO 40
BECOMING LIGHT THIS EVENING. LOW 16.
TUESDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A
THUNDERSTORM. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 IN THE
MORNING. HIGH 22. UV INDEX 4 OR MODERATE.
SHELBURNE - MANSFIELD - NORTHERN DUFFERIN COUNTY.
TODAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING NEAR NOON.
WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH 21. UV
INDEX 4 OR MODERATE.
TONIGHT..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS BEFORE MORNING
WITH RISK OF A THUNDERSTORM. LOW 15.
TUESDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A
THUNDERSTORM. HIGH 20. UV INDEX 4 OR MODERATE.
SAUGEEN SHORES - KINCARDINE - SOUTHERN BRUCE COUNTY.
TODAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING NEAR NOON.
WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH 21. UV
INDEX 4 OR MODERATE.
TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS BEFORE MORNING
WITH RISK OF A THUNDERSTORM. LOW 15.
TUESDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A
THUNDERSTORM. HIGH 20. UV INDEX 3 OR MODERATE.
HANOVER - DUNDALK - SOUTHERN GREY COUNTY.
TODAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING NEAR NOON.
WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH 21. UV
INDEX 4 OR MODERATE.
TONIGHT..PARTLY CLOUDY. BECOMING CLOUDY NEAR MIDNIGHT. 60 PERCENT
CHANCE OF SHOWERS BEFORE MORNING. RISK OF A THUNDERSTORM BEFORE
MORNING. LOW 15.
TUESDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A
THUNDERSTORM. HIGH 20. UV INDEX 3 OR MODERATE.
COBOURG - COLBORNE - WESTERN NORTHUMBERLAND COUNTY.
TODAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING THIS MORNING.
WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH 19. UV
INDEX 4 OR MODERATE.
TONIGHT..BECOMING CLOUDY LATE THIS EVENING. 70 PERCENT CHANCE OF
SHOWERS OVERNIGHT. WIND SOUTHWEST 20 KM/H BECOMING LIGHT THIS
EVENING. LOW 14.
TUESDAY..CLOUDY WITH 70 PERCENT CHANCE OF SHOWERS AND RISK OF A
THUNDERSTORM. HIGH 19. UV INDEX 4 OR MODERATE.
BELLEVILLE - QUINTE WEST - EASTERN NORTHUMBERLAND COUNTY.
TODAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING THIS MORNING.
WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH 19. UV
INDEX 4 OR MODERATE.
TONIGHT..BECOMING CLOUDY LATE THIS EVENING. 70 PERCENT CHANCE OF
SHOWERS OVERNIGHT. WIND SOUTHWEST 20 KM/H BECOMING LIGHT THIS
EVENING. LOW 14.
TUESDAY..CLOUDY WITH 70 PERCENT CHANCE OF SHOWERS AND RISK OF A
THUNDERSTORM. HIGH 19. UV INDEX 4 OR MODERATE.
PICTON - SANDBANKS PARK.
TODAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING THIS MORNING.
WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH 19. UV
INDEX 4 OR MODERATE.
TONIGHT..BECOMING CLOUDY LATE THIS EVENING. 70 PERCENT CHANCE OF
SHOWERS OVERNIGHT. WIND SOUTHWEST 20 KM/H BECOMING LIGHT THIS
EVENING. LOW 14.
TUESDAY..CLOUDY WITH 70 PERCENT CHANCE OF SHOWERS AND RISK OF A
THUNDERSTORM. HIGH 19. UV INDEX 4 OR MODERATE.
NAPANEE - CONSECON.
TODAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING THIS MORNING.
WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH 19. UV
INDEX 4 OR MODERATE.
TONIGHT..BECOMING CLOUDY LATE THIS EVENING. 70 PERCENT CHANCE OF
SHOWERS OVERNIGHT. WIND SOUTHWEST 20 KM/H BECOMING LIGHT THIS
EVENING. LOW 14.
TUESDAY..CLOUDY WITH 70 PERCENT CHANCE OF SHOWERS AND RISK OF A
THUNDERSTORM. HIGH 19. UV INDEX 4 OR MODERATE.
KINGSTON - ODESSA - FRONTENAC ISLANDS.
TODAY..A MIX OF SUN AND CLOUD. HIGH 19. UV INDEX 4 OR MODERATE.
TONIGHT..CLOUDY. PERIODS OF RAIN BEGINNING LATE THIS EVENING. LOW 10.
TUESDAY..PERIODS OF RAIN. RISK OF A THUNDERSTORM IN THE AFTERNOON.
HIGH 14. UV INDEX 2 OR LOW.
LINDSAY - SOUTHERN KAWARTHA LAKES.
TODAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING THIS MORNING.
HIGH 20. UV INDEX 4 OR MODERATE.
TONIGHT..BECOMING CLOUDY THIS EVENING. 70 PERCENT CHANCE OF SHOWERS
OVERNIGHT. LOW 14.
TUESDAY..CLOUDY WITH 70 PERCENT CHANCE OF SHOWERS AND RISK OF A
THUNDERSTORM. HIGH 18. UV INDEX 3 OR MODERATE.
FENELON FALLS - BALSAM LAKE PARK - NORTHERN KAWARTHA LAKES.
TODAY..MAINLY CLOUDY. HIGH 18. UV INDEX 4 OR MODERATE.
TONIGHT..CLOUDY. PERIODS OF RAIN BEGINNING LATE THIS EVENING. LOW 9.
TUESDAY..PERIODS OF RAIN WITH RISK OF A THUNDERSTORM. HIGH 14. UV
INDEX 2 OR LOW.
PETERBOROUGH CITY - LAKEFIELD - SOUTHERN PETERBOROUGH COUNTY.
TODAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING THIS MORNING.
HIGH 20. UV INDEX 4 OR MODERATE.
TONIGHT..BECOMING CLOUDY THIS EVENING. 70 PERCENT CHANCE OF SHOWERS
OVERNIGHT. LOW 14.
TUESDAY..CLOUDY WITH 70 PERCENT CHANCE OF SHOWERS AND RISK OF A
THUNDERSTORM. HIGH 18. UV INDEX 3 OR MODERATE.
APSLEY - WOODVIEW - NORTHERN PETERBOROUGH COUNTY.
TODAY..MAINLY CLOUDY. HIGH 18. UV INDEX 4 OR MODERATE.
TONIGHT..CLOUDY. PERIODS OF RAIN BEGINNING LATE THIS EVENING. LOW 9.
TUESDAY..PERIODS OF RAIN WITH RISK OF A THUNDERSTORM. HIGH 14. UV
INDEX 1 OR LOW.
STIRLING - TWEED - MADOC.
TODAY..A MIX OF SUN AND CLOUD. HIGH 19. UV INDEX 4 OR MODERATE.
TONIGHT..CLOUDY. PERIODS OF RAIN BEGINNING LATE THIS EVENING. LOW 10.
TUESDAY..PERIODS OF RAIN. RISK OF A THUNDERSTORM IN THE AFTERNOON.
HIGH 14. UV INDEX 2 OR LOW.
TAMWORTH - SYDENHAM - SOUTH FRONTENAC.
TODAY..A MIX OF SUN AND CLOUD. HIGH 19. UV INDEX 4 OR MODERATE.
TONIGHT..CLOUDY. PERIODS OF RAIN BEGINNING LATE THIS EVENING. LOW 10.
TUESDAY..PERIODS OF RAIN. RISK OF A THUNDERSTORM IN THE AFTERNOON.
HIGH 14. UV INDEX 2 OR LOW.
KALADAR - BANNOCKBURN - BON ECHO PARK.
TODAY..MAINLY CLOUDY. HIGH 18. UV INDEX 4 OR MODERATE.
TONIGHT..CLOUDY. PERIODS OF RAIN BEGINNING THIS EVENING. LOW 9.
TUESDAY..PERIODS OF RAIN. HIGH 11. UV INDEX 2 OR LOW.
BANCROFT - HASTINGS HIGHLANDS - DENBIGH.
TODAY..MAINLY CLOUDY. PERIODS OF RAIN BEGINNING THIS AFTERNOON. FOG
PATCHES DISSIPATING NEAR NOON. HIGH 16. UV INDEX 4 OR MODERATE.
TONIGHT..PERIODS OF RAIN. LOW 7.
TUESDAY..PERIODS OF RAIN. HIGH 9. UV INDEX 2 OR LOW.
PORT CARLING - PORT SEVERN.
TODAY..MAINLY CLOUDY. FOG PATCHES DISSIPATING NEAR NOON. HIGH 17. UV
INDEX 4 OR MODERATE.
TONIGHT..CLOUDY. PERIODS OF RAIN BEGINNING THIS EVENING. LOW 9.
TUESDAY..PERIODS OF RAIN. HIGH 14. UV INDEX 1 OR LOW.
BRACEBRIDGE - GRAVENHURST.
TODAY..MAINLY CLOUDY. FOG PATCHES DISSIPATING NEAR NOON. HIGH 17. UV
INDEX 4 OR MODERATE.
TONIGHT..CLOUDY. PERIODS OF RAIN BEGINNING THIS EVENING. LOW 8.
TUESDAY..PERIODS OF RAIN. HIGH 12. UV INDEX 1 OR LOW.
TOWN OF PARRY SOUND - ROSSEAU - KILLBEAR PARK.
TODAY..MAINLY CLOUDY. PERIODS OF RAIN BEGINNING THIS AFTERNOON. FOG
PATCHES DISSIPATING NEAR NOON. HIGH 17. UV INDEX 4 OR MODERATE.
TONIGHT..PERIODS OF RAIN. LOW 8.
TUESDAY..PERIODS OF RAIN. HIGH 11. UV INDEX 1 OR LOW.
HUNTSVILLE - BAYSVILLE.
TODAY..MAINLY CLOUDY. PERIODS OF RAIN BEGINNING THIS AFTERNOON. FOG
PATCHES DISSIPATING NEAR NOON. HIGH 16. UV INDEX 4 OR MODERATE.
TONIGHT..PERIODS OF RAIN. LOW 7.
TUESDAY..PERIODS OF RAIN. HIGH 9. UV INDEX 1 OR LOW.
HALIBURTON - MINDEN - SOUTHERN HALIBURTON COUNTY.
TODAY..MAINLY CLOUDY. FOG PATCHES DISSIPATING NEAR NOON. HIGH 17. UV
INDEX 4 OR MODERATE.
TONIGHT..CLOUDY. PERIODS OF RAIN BEGINNING THIS EVENING. LOW 8.
TUESDAY..PERIODS OF RAIN. HIGH 12. UV INDEX 1 OR LOW.
OXTONGUE LAKE - FORT IRWIN - NORTHERN HALIBURTON COUNTY.
TODAY..MAINLY CLOUDY. PERIODS OF RAIN BEGINNING THIS AFTERNOON. FOG
PATCHES DISSIPATING NEAR NOON. HIGH 16. UV INDEX 4 OR MODERATE.
TONIGHT..PERIODS OF RAIN. LOW 7.
TUESDAY..PERIODS OF RAIN. HIGH 9. UV INDEX 1 OR LOW.
BARRY'S BAY - KILLALOE.
TODAY..MAINLY CLOUDY. PERIODS OF RAIN BEGINNING THIS AFTERNOON. FOG
PATCHES DISSIPATING NEAR NOON. HIGH 16. UV INDEX 4 OR MODERATE.
TONIGHT..PERIODS OF RAIN. LOW 7.
TUESDAY..PERIODS OF RAIN. HIGH 9. UV INDEX 1 OR LOW.
WESTERN ALGONQUIN PARK - LAKE OF TWO RIVERS.
TODAY..MAINLY CLOUDY. PERIODS OF RAIN BEGINNING THIS AFTERNOON. FOG
PATCHES DISSIPATING NEAR NOON. HIGH 16. UV INDEX 4 OR MODERATE.
TONIGHT..PERIODS OF RAIN. LOW 7.
TUESDAY..PERIODS OF RAIN. HIGH 9. UV INDEX 1 OR LOW.
DEEP RIVER - WHITNEY - EASTERN ALGONQUIN PARK.
TODAY..MAINLY CLOUDY. PERIODS OF RAIN BEGINNING THIS AFTERNOON. FOG
PATCHES DISSIPATING NEAR NOON. HIGH 16. UV INDEX 4 OR MODERATE.
TONIGHT..PERIODS OF RAIN. LOW 7.
TUESDAY..PERIODS OF RAIN. HIGH 9. UV INDEX 1 OR LOW.
BAYFIELD INLET - DUNCHURCH.
TODAY..MAINLY CLOUDY. PERIODS OF RAIN BEGINNING THIS AFTERNOON. FOG
PATCHES DISSIPATING NEAR NOON. HIGH 17. UV INDEX 4 OR MODERATE.
TONIGHT..PERIODS OF RAIN. LOW 8.
TUESDAY..PERIODS OF RAIN. HIGH 11. UV INDEX 1 OR LOW.
SOUTH RIVER - BURK'S FALLS.
TODAY..MAINLY CLOUDY. PERIODS OF RAIN BEGINNING THIS AFTERNOON. FOG
PATCHES DISSIPATING NEAR NOON. HIGH 16. UV INDEX 4 OR MODERATE.
TONIGHT..PERIODS OF RAIN. LOW 7.
TUESDAY..PERIODS OF RAIN. HIGH 9. UV INDEX 1 OR LOW.
REMAINDER UNCHANGED.
END
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