161  
FPCN11 CWTO 022252 AAF  
UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL  
REGION ISSUED BY ENVIRONMENT CANADA AT 6:51 P.M. EDT SUNDAY 2 AUGUST  
2026 FOR TONIGHT MONDAY AND MONDAY NIGHT.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. EDT MONDAY.  
 
DUNNVILLE - CALEDONIA - HALDIMAND.  
TONIGHT..PERIODS OF RAIN ENDING THIS EVENING THEN CLOUDY WITH  
60 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM THIS EVENING.  
LOCAL AMOUNT 15 TO 25 MM. WIND NORTH 20 KM/H BECOMING LIGHT AFTER  
MIDNIGHT. LOW 15.  
MONDAY..CLEARING IN THE MORNING. WIND NORTHWEST 20 KM/H BECOMING  
LIGHT NEAR NOON. HIGH 26. HUMIDEX 31. UV INDEX 7 OR HIGH.  
MONDAY NIGHT..CLEAR. FOG PATCHES DEVELOPING NEAR MIDNIGHT. LOW 11.  
 
NIAGARA FALLS - WELLAND - SOUTHERN NIAGARA REGION.  
TONIGHT..PERIODS OF RAIN ENDING LATE THIS EVENING THEN CLOUDY WITH  
40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM THIS EVENING.  
LOCAL AMOUNT 15 TO 25 MM. WIND BECOMING NORTHWEST 20 KM/H GUSTING TO  
40 LATE THIS EVENING THEN LIGHT BEFORE MORNING. LOW 16.  
MONDAY..A MIX OF SUN AND CLOUD. WIND BECOMING NORTHWEST 20 KM/H  
GUSTING TO 40 IN THE MORNING THEN LIGHT EARLY IN THE AFTERNOON.  
HIGH 25. HUMIDEX 30. UV INDEX 7 OR HIGH.  
MONDAY NIGHT..CLEAR. FOG PATCHES DEVELOPING NEAR MIDNIGHT. LOW 14.  
 
ST. CATHARINES - GRIMSBY - NORTHERN NIAGARA REGION.  
TONIGHT..PERIODS OF RAIN ENDING LATE THIS EVENING THEN CLOUDY WITH  
40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM THIS EVENING.  
LOCAL AMOUNT 15 TO 25 MM. WIND BECOMING NORTH 30 KM/H GUSTING TO 50  
LATE THIS EVENING. LOW 16.  
MONDAY..CLEARING IN THE MORNING. WIND NORTHWEST 20 KM/H GUSTING TO 40  
BECOMING LIGHT IN THE AFTERNOON. HIGH 25. HUMIDEX 30. UV INDEX 7 OR  
HIGH.  
MONDAY NIGHT..CLEAR. FOG PATCHES DEVELOPING NEAR MIDNIGHT. LOW 14.  
 
REMAINDER UNCHANGED.  
 
END  
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