483  
FPCN11 CWTO 182310 AAA  
UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL  
REGION ISSUED BY ENVIRONMENT CANADA AT 7:10 P.M. EDT THURSDAY 18 JUNE  
2026 FOR TONIGHT FRIDAY AND FRIDAY NIGHT.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. EDT FRIDAY.  
 
BANCROFT - HASTINGS HIGHLANDS - DENBIGH.  
TONIGHT..SHOWERS. WIND WEST 20 KM/H GUSTING TO 40. LOW 12.  
FRIDAY..CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH  
RISK OF A THUNDERSTORM. WIND WEST 30 KM/H GUSTING TO 50. HIGH 21. UV  
INDEX 6 OR HIGH.  
FRIDAY NIGHT..CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE EVENING AND  
AFTER MIDNIGHT. RISK OF A THUNDERSTORM EARLY IN THE EVENING. WIND  
WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT AFTER MIDNIGHT. WIND  
BECOMING NORTHWEST 20 BEFORE MORNING. LOW 12.  
 
OXTONGUE LAKE - FORT IRWIN - NORTHERN HALIBURTON COUNTY.  
TONIGHT..A FEW SHOWERS ENDING NEAR MIDNIGHT THEN CLOUDY WITH  
40 PERCENT CHANCE OF SHOWERS. WIND WEST 20 KM/H. LOW 12.  
FRIDAY..CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH  
RISK OF A THUNDERSTORM. WIND WEST 30 KM/H GUSTING TO 50. HIGH 19. UV  
INDEX 7 OR HIGH.  
FRIDAY NIGHT..CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE EVENING AND  
AFTER MIDNIGHT. RISK OF A THUNDERSTORM EARLY IN THE EVENING. WIND  
WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT NEAR MIDNIGHT. LOW 13.  
 
BARRY'S BAY - KILLALOE.  
TONIGHT..SHOWERS. WIND WEST 20 KM/H. LOW 14.  
FRIDAY..CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH  
RISK OF A THUNDERSTORM. WIND WEST 30 KM/H GUSTING TO 50. HIGH 17. UV  
INDEX 6 OR HIGH.  
FRIDAY NIGHT..CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE EVENING AND  
AFTER MIDNIGHT. RISK OF A THUNDERSTORM EARLY IN THE EVENING. WIND  
NORTHWEST 30 KM/H GUSTING TO 50 BECOMING LIGHT AFTER MIDNIGHT. WIND  
BECOMING NORTHWEST 20 BEFORE MORNING. LOW 14.  
 
PETAWAWA - PEMBROKE - COBDEN.  
TONIGHT..SHOWERS. WIND WEST 20 KM/H. LOW 14.  
FRIDAY..CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH  
RISK OF A THUNDERSTORM. WIND WEST 30 KM/H GUSTING TO 50. HIGH 17. UV  
INDEX 6 OR HIGH.  
FRIDAY NIGHT..CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE EVENING AND  
AFTER MIDNIGHT. RISK OF A THUNDERSTORM EARLY IN THE EVENING. WIND  
WEST 20 KM/H. LOW 14.  
 
WESTERN ALGONQUIN PARK - LAKE OF TWO RIVERS.  
TONIGHT..A FEW SHOWERS ENDING NEAR MIDNIGHT THEN CLOUDY WITH  
40 PERCENT CHANCE OF SHOWERS. WIND WEST 20 KM/H. LOW 12.  
FRIDAY..CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH  
RISK OF A THUNDERSTORM. WIND NORTHWEST 30 KM/H GUSTING TO 50.  
HIGH 21. UV INDEX 5 OR MODERATE.  
FRIDAY NIGHT..CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE EVENING AND  
AFTER MIDNIGHT. RISK OF A THUNDERSTORM EARLY IN THE EVENING. WIND  
NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT AFTER MIDNIGHT. WIND  
BECOMING NORTHWEST 20 BEFORE MORNING. LOW 12.  
 
DEEP RIVER - WHITNEY - EASTERN ALGONQUIN PARK.  
TONIGHT..SHOWERS. WIND WEST 20 KM/H. LOW 12.  
FRIDAY..CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH  
RISK OF A THUNDERSTORM. WIND WEST 30 KM/H GUSTING TO 50. HIGH 21. UV  
INDEX 5 OR MODERATE.  
FRIDAY NIGHT..CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE EVENING AND  
AFTER MIDNIGHT. RISK OF A THUNDERSTORM EARLY IN THE EVENING. WIND  
NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT AFTER MIDNIGHT. WIND  
BECOMING NORTHWEST 20 BEFORE MORNING. LOW 12.  
 
REMAINDER UNCHANGED.  
 
END  
 
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