997  
FPCN11 CWTO 192307 AAA  
UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL  
REGION ISSUED BY ENVIRONMENT CANADA AT 7:06 P.M. EDT MONDAY 19  
OCTOBER 2026 FOR TONIGHT TUESDAY AND TUESDAY NIGHT.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. EDT TUESDAY.  
 
NIAGARA FALLS - WELLAND - SOUTHERN NIAGARA REGION.  
TONIGHT..CLEAR. BECOMING PARTLY CLOUDY OVERNIGHT. FOG PATCHES  
DEVELOPING OVERNIGHT. LOW PLUS 5.  
TUESDAY..CLEARING IN THE MORNING. FOG PATCHES DISSIPATING IN THE  
MORNING. WIND BECOMING NORTHEAST 20 KM/H IN THE MORNING. HIGH 16. UV  
INDEX 4 OR MODERATE.  
TUESDAY NIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW PLUS 2  
WITH PATCHY FROST.  
 
ST. CATHARINES - GRIMSBY - NORTHERN NIAGARA REGION.  
TONIGHT..CLEAR. BECOMING PARTLY CLOUDY BEFORE MORNING. FOG PATCHES  
DEVELOPING OVERNIGHT. LOW 6.  
TUESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. WIND BECOMING  
NORTHEAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 16. UV INDEX 4  
OR MODERATE.  
TUESDAY NIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW PLUS 2  
WITH PATCHY FROST.  
 
REMAINDER UNCHANGED.  
 
END  
 
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