FPCN11 CWTO 250420 AAA UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL REGION ISSUED BY ENVIRONMENT CANADA AT 12:19 A.M. EDT SATURDAY 25 OCTOBER 2025 FOR TONIGHT SATURDAY AND SATURDAY NIGHT. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. EDT. MISSISSAUGA - BRAMPTON. TONIGHT..PARTLY CLOUDY. LOW PLUS 2 WITH RISK OF FROST. SATURDAY..A MIX OF SUN AND CLOUD. HIGH 11. UV INDEX 3 OR MODERATE. SATURDAY NIGHT..PARTLY CLOUDY. CLEARING BEFORE MORNING. LOW PLUS 1 WITH RISK OF FROST. MIDLAND - COLDWATER - ORR LAKE. TONIGHT..CLOUDY. 60 PERCENT CHANCE OF SHOWERS AFTER MIDNIGHT. FOG PATCHES DEVELOPING OVERNIGHT. LOW PLUS 2. SATURDAY..CLOUDY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 8. UV INDEX 2 OR LOW. SATURDAY NIGHT..PARTLY CLOUDY. CLEARING BEFORE MORNING. WIND UP TO 15 KM/H. LOW MINUS 2. WIND CHILL MINUS 7 OVERNIGHT. ORILLIA - LAGOON CITY - WASHAGO. TONIGHT..CLOUDY. 60 PERCENT CHANCE OF SHOWERS AFTER MIDNIGHT. FOG PATCHES DEVELOPING OVERNIGHT. LOW PLUS 1. SATURDAY..CLOUDY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 8. UV INDEX 2 OR LOW. SATURDAY NIGHT..PARTLY CLOUDY. CLEARING BEFORE MORNING. WIND UP TO 15 KM/H. LOW MINUS 3. WIND CHILL MINUS 8 OVERNIGHT. REMAINDER UNCHANGED. END