619  
FPCN11 CWTO 121245 AAA  
UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL  
REGION ISSUED BY ENVIRONMENT CANADA AT 8:44 A.M. EDT FRIDAY 12  
SEPTEMBER 2025 FOR TODAY AND SATURDAY.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. EDT.  
 
BANCROFT - HASTINGS HIGHLANDS - DENBIGH.  
TODAY..SUNNY. FOG PATCHES DISSIPATING THIS MORNING. HIGH 23. UV  
INDEX 6 OR HIGH.  
TONIGHT..CLEAR. INCREASING CLOUDINESS LATE THIS EVENING THEN  
30 PERCENT CHANCE OF SHOWERS OVERNIGHT. LOW 8 WITH TEMPERATURE  
RISING TO 11 BY MORNING.  
SATURDAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 21.  
UV INDEX 5 OR MODERATE.  
 
OXTONGUE LAKE - FORT IRWIN - NORTHERN HALIBURTON COUNTY.  
TODAY..SUNNY. FOG PATCHES DISSIPATING THIS MORNING. HIGH 21. UV  
INDEX 6 OR HIGH.  
TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS LATE THIS EVENING THEN  
30 PERCENT CHANCE OF SHOWERS OVERNIGHT. LOW 9.  
SATURDAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS.  
HIGH 22. HUMIDEX 25. UV INDEX 6 OR HIGH.  
 
BARRY'S BAY - KILLALOE.  
TODAY..SUNNY. FOG PATCHES DISSIPATING THIS MORNING. HIGH 22. UV  
INDEX 6 OR HIGH.  
TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS LATE THIS EVENING THEN  
30 PERCENT CHANCE OF SHOWERS OVERNIGHT. LOW 11.  
SATURDAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 21.  
HUMIDEX 25. UV INDEX 5 OR MODERATE.  
 
RENFREW - ARNPRIOR - CALABOGIE.  
TODAY..SUNNY. FOG PATCHES DISSIPATING THIS MORNING. HIGH 22. UV  
INDEX 6 OR HIGH.  
TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS LATE THIS EVENING THEN  
30 PERCENT CHANCE OF SHOWERS OVERNIGHT. LOW 11.  
SATURDAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 21.  
HUMIDEX 25. UV INDEX 5 OR MODERATE.  
 
PETAWAWA - PEMBROKE - COBDEN.  
TODAY..SUNNY. FOG PATCHES DISSIPATING THIS MORNING. HIGH 22. UV  
INDEX 6 OR HIGH.  
TONIGHT..INCREASING CLOUDINESS. 30 PERCENT CHANCE OF SHOWERS  
OVERNIGHT. LOW 11.  
SATURDAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 21.  
HUMIDEX 25. UV INDEX 5 OR MODERATE.  
 
WESTERN ALGONQUIN PARK - LAKE OF TWO RIVERS.  
TODAY..SUNNY. FOG PATCHES DISSIPATING THIS MORNING. HIGH 21. UV  
INDEX 6 OR HIGH.  
TONIGHT..PARTLY CLOUDY. BECOMING CLOUDY NEAR MIDNIGHT WITH 30 PERCENT  
CHANCE OF SHOWERS OVERNIGHT. LOW 9.  
SATURDAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS.  
HIGH 20. HUMIDEX 25. UV INDEX 6 OR HIGH.  
 
DEEP RIVER - WHITNEY - EASTERN ALGONQUIN PARK.  
TODAY..SUNNY. FOG PATCHES DISSIPATING THIS MORNING. HIGH 21. UV  
INDEX 6 OR HIGH.  
TONIGHT..PARTLY CLOUDY. BECOMING CLOUDY NEAR MIDNIGHT WITH 30 PERCENT  
CHANCE OF SHOWERS OVERNIGHT. LOW 9.  
SATURDAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS.  
HIGH 20. HUMIDEX 25. UV INDEX 6 OR HIGH.  
 
REMAINDER UNCHANGED.  
 
END  
 
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