525   
FPCN11 CWTO 201718 AAA  
UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL  
REGION ISSUED BY ENVIRONMENT CANADA AT 1:16 P.M. EDT TUESDAY 20  
OCTOBER 2026 FOR TODAY AND WEDNESDAY.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 3:30 P.M. EDT.  
  
NIAGARA FALLS - WELLAND - SOUTHERN NIAGARA REGION.  
TODAY..SUNNY. HIGH 16. UV INDEX 4 OR MODERATE.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW PLUS 1 EXCEPT  
 PLUS 5 NEAR LAKE ERIE. PATCHY FROST.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 16. UV  
 INDEX 4 OR MODERATE.  
  
ST. CATHARINES - GRIMSBY - NORTHERN NIAGARA REGION.  
TODAY..SUNNY. WIND NORTHEAST 20 KM/H. HIGH 16. UV INDEX 3 OR  
 MODERATE.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW PLUS 1 EXCEPT  
 PLUS 5 NEAR LAKE ONTARIO. PATCHY FROST.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 16. UV  
 INDEX 4 OR MODERATE.  
  
MISSISSAUGA - BRAMPTON.  
TODAY..SUNNY. WIND NORTHEAST 20 KM/H. HIGH 17. UV INDEX 3 OR  
 MODERATE.  
TONIGHT..CLEAR. LOW PLUS 1 EXCEPT PLUS 4 NEAR LAKE ONTARIO. PATCHY  
 FROST.  
WEDNESDAY..SUNNY. HIGH 16. UV INDEX 4 OR MODERATE.  
  
REMAINDER UNCHANGED.  
  
END  
 
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