693
FPCN11 CWTO 211656 AAA
UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL
REGION ISSUED BY ENVIRONMENT CANADA AT 12:55 P.M. EDT MONDAY 21
SEPTEMBER 2026 FOR TODAY AND TUESDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 3:30 P.M. EDT.
MIDLAND - COLDWATER - ORR LAKE.
TODAY..A MIX OF SUN AND CLOUD. HIGH 15. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR OVERNIGHT. LOW PLUS 3 WITH
PATCHY FROST.
TUESDAY..SUNNY. HIGH 16. UV INDEX 5 OR MODERATE.
ORILLIA - LAGOON CITY - WASHAGO.
TODAY..A MIX OF SUN AND CLOUD. HIGH 15. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR OVERNIGHT. LOW PLUS 3 WITH
PATCHY FROST.
TUESDAY..SUNNY. HIGH 16. UV INDEX 5 OR MODERATE.
FENELON FALLS - BALSAM LAKE PARK - NORTHERN KAWARTHA LAKES.
TODAY..A MIX OF SUN AND CLOUD. HIGH 14. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR OVERNIGHT. LOW PLUS 3 WITH
PATCHY FROST.
TUESDAY..SUNNY. WIND BECOMING NORTHEAST 20 KM/H GUSTING TO 40 LATE IN
THE MORNING. HIGH 16. UV INDEX 5 OR MODERATE.
APSLEY - WOODVIEW - NORTHERN PETERBOROUGH COUNTY.
TODAY..A MIX OF SUN AND CLOUD. HIGH 14. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR OVERNIGHT. LOW PLUS 3 WITH
RISK OF FROST.
TUESDAY..SUNNY. WIND BECOMING NORTHEAST 20 KM/H GUSTING TO 40 LATE IN
THE MORNING. HIGH 16. UV INDEX 5 OR MODERATE.
KALADAR - BANNOCKBURN - BON ECHO PARK.
TODAY..A MIX OF SUN AND CLOUD. HIGH 14. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR OVERNIGHT. LOW PLUS 3 WITH
PATCHY FROST.
TUESDAY..SUNNY. WIND BECOMING NORTHEAST 20 KM/H GUSTING TO 40 LATE IN
THE MORNING. HIGH 15. UV INDEX 5 OR MODERATE.
BANCROFT - HASTINGS HIGHLANDS - DENBIGH.
TODAY..A MIX OF SUN AND CLOUD. HIGH 13. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR OVERNIGHT. LOW PLUS 2 WITH
PATCHY FROST.
TUESDAY..SUNNY. HIGH 15. UV INDEX 5 OR MODERATE.
WESTPORT - CHARLESTON LAKE.
TODAY..A MIX OF SUN AND CLOUD. HIGH 15. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR OVERNIGHT. LOW PLUS 3 WITH
PATCHY FROST.
TUESDAY..SUNNY. HIGH 16. UV INDEX 5 OR MODERATE.
MERRICKVILLE-WOLFORD - KEMPTVILLE.
TODAY..A MIX OF SUN AND CLOUD. HIGH 15. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. LOW PLUS 3 WITH PATCHY FROST.
TUESDAY..SUNNY. HIGH 16. UV INDEX 5 OR MODERATE.
OTTAWA NORTH - KANATA - ORLEANS.
TODAY..A MIX OF SUN AND CLOUD. HIGH 16. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. LOW PLUS 3 WITH PATCHY FROST.
TUESDAY..SUNNY. HIGH 17. UV INDEX 5 OR MODERATE.
OTTAWA SOUTH - RICHMOND - METCALFE.
TODAY..A MIX OF SUN AND CLOUD. HIGH 15. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. LOW PLUS 3 WITH PATCHY FROST.
TUESDAY..SUNNY. HIGH 16. UV INDEX 5 OR MODERATE.
GATINEAU.
TODAY..A MIX OF SUN AND CLOUD. HIGH 16. UV INDEX 5 OR MODERATE.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR OVERNIGHT. LOW PLUS 2 WITH
PATCHY FROST.
TUESDAY..SUNNY. HIGH 17. UV INDEX 5 OR MODERATE.
PRESCOTT AND RUSSELL.
TODAY..A MIX OF SUN AND CLOUD. HIGH 16. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. LOW PLUS 2 WITH PATCHY FROST.
TUESDAY..SUNNY. HIGH 17. UV INDEX 5 OR MODERATE.
WINCHESTER - NEWINGTON.
TODAY..A MIX OF SUN AND CLOUD. HIGH 16. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. LOW PLUS 2 WITH PATCHY FROST.
TUESDAY..SUNNY. HIGH 17. UV INDEX 5 OR MODERATE.
MAXVILLE - ALEXANDRIA.
TODAY..A MIX OF SUN AND CLOUD. HIGH 16. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR OVERNIGHT. LOW PLUS 2 WITH
PATCHY FROST.
TUESDAY..SUNNY. HIGH 17. UV INDEX 5 OR MODERATE.
PLEVNA - SHARBOT LAKE - WESTERN LANARK COUNTY.
TODAY..A MIX OF SUN AND CLOUD. HIGH 14. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR OVERNIGHT. LOW PLUS 3 WITH
PATCHY FROST.
TUESDAY..SUNNY. HIGH 16. UV INDEX 5 OR MODERATE.
SMITHS FALLS - PERTH - EASTERN LANARK COUNTY.
TODAY..A MIX OF SUN AND CLOUD. HIGH 15. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. LOW PLUS 3 WITH PATCHY FROST.
TUESDAY..SUNNY. HIGH 16. UV INDEX 5 OR MODERATE.
PORT CARLING - PORT SEVERN.
TODAY..A MIX OF SUN AND CLOUD. HIGH 15. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR OVERNIGHT. LOW PLUS 4.
TUESDAY..SUNNY. HIGH 17. UV INDEX 5 OR MODERATE.
BRACEBRIDGE - GRAVENHURST.
TODAY..A MIX OF SUN AND CLOUD. HIGH 14. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR OVERNIGHT. LOW PLUS 3 WITH
RISK OF FROST.
TUESDAY..SUNNY. HIGH 16. UV INDEX 5 OR MODERATE.
TOWN OF PARRY SOUND - ROSSEAU - KILLBEAR PARK.
TODAY..A MIX OF SUN AND CLOUD. HIGH 15. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR OVERNIGHT. LOW PLUS 3 WITH
PATCHY FROST.
TUESDAY..SUNNY. HIGH 17. UV INDEX 5 OR MODERATE.
HUNTSVILLE - BAYSVILLE.
TODAY..A MIX OF SUN AND CLOUD. HIGH 14. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR OVERNIGHT. LOW PLUS 2 WITH
PATCHY FROST.
TUESDAY..SUNNY. HIGH 16. UV INDEX 5 OR MODERATE.
HALIBURTON - MINDEN - SOUTHERN HALIBURTON COUNTY.
TODAY..A MIX OF SUN AND CLOUD. HIGH 14. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR OVERNIGHT. LOW PLUS 3 WITH
PATCHY FROST.
TUESDAY..SUNNY. HIGH 15. UV INDEX 5 OR MODERATE.
OXTONGUE LAKE - FORT IRWIN - NORTHERN HALIBURTON COUNTY.
TODAY..A MIX OF SUN AND CLOUD. HIGH 13. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR OVERNIGHT. LOW PLUS 2 WITH
PATCHY FROST.
TUESDAY..SUNNY. HIGH 15. UV INDEX 5 OR MODERATE.
BARRY'S BAY - KILLALOE.
TODAY..A MIX OF SUN AND CLOUD. HIGH 13. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR OVERNIGHT. LOW PLUS 2.
TUESDAY..SUNNY. HIGH 15. UV INDEX 5 OR MODERATE.
RENFREW - ARNPRIOR - CALABOGIE.
TODAY..A MIX OF SUN AND CLOUD. HIGH 14. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. LOW PLUS 2 WITH PATCHY FROST.
TUESDAY..SUNNY. HIGH 16. UV INDEX 5 OR MODERATE.
PETAWAWA - PEMBROKE - COBDEN.
TODAY..A MIX OF SUN AND CLOUD. HIGH 14. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR OVERNIGHT. LOW PLUS 2 WITH
RISK OF FROST.
TUESDAY..SUNNY. HIGH 16. UV INDEX 5 OR MODERATE.
WESTERN ALGONQUIN PARK - LAKE OF TWO RIVERS.
TODAY..A MIX OF SUN AND CLOUD. HIGH 13. UV INDEX 5 OR MODERATE.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR OVERNIGHT. LOW PLUS 1 WITH
FROST IN LOW LYING AREAS.
TUESDAY..SUNNY. HIGH 14. UV INDEX 5 OR MODERATE.
DEEP RIVER - WHITNEY - EASTERN ALGONQUIN PARK.
TODAY..A MIX OF SUN AND CLOUD. HIGH 13. UV INDEX 5 OR MODERATE.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR OVERNIGHT. LOW PLUS 1 WITH
FROST IN LOW LYING AREAS.
TUESDAY..SUNNY. HIGH 14. UV INDEX 5 OR MODERATE.
BAYFIELD INLET - DUNCHURCH.
TODAY..A MIX OF SUN AND CLOUD. HIGH 14. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR OVERNIGHT. LOW PLUS 3 WITH
PATCHY FROST.
TUESDAY..SUNNY. HIGH 16. UV INDEX 5 OR MODERATE.
SOUTH RIVER - BURK'S FALLS.
TODAY..A MIX OF SUN AND CLOUD. HIGH 14. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR OVERNIGHT. LOW PLUS 2 WITH
PATCHY FROST.
TUESDAY..SUNNY. HIGH 15. UV INDEX 5 OR MODERATE.
REMAINDER UNCHANGED.
END
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