FPCN11 CWTO 201610 AAA UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL REGION ISSUED BY ENVIRONMENT CANADA AT 12:08 P.M. EDT FRIDAY 20 MARCH 2026 FOR TODAY AND SATURDAY. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 3:30 P.M. EDT. VAUGHAN - RICHMOND HILL - MARKHAM. TODAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. FOG PATCHES DISSIPATING THIS AFTERNOON. WIND BECOMING NORTH 20 KM/H LATE THIS AFTERNOON. HIGH 6. UV INDEX 1 OR LOW. TONIGHT..OVERCAST. FOG PATCHES DEVELOPING NEAR MIDNIGHT. WIND NORTH 20 KM/H BECOMING LIGHT THIS EVENING. LOW MINUS 2. WIND CHILL MINUS 6 OVERNIGHT. SATURDAY..CLOUDY. FOG PATCHES DISSIPATING IN THE MORNING. WIND UP TO 15 KM/H. HIGH PLUS 3. WIND CHILL MINUS 6 IN THE MORNING. UV INDEX 3 OR MODERATE. NEWMARKET - GEORGINA - NORTHERN YORK REGION. TODAY..CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS AFTERNOON. FOG PATCHES DISSIPATING THIS AFTERNOON. HIGH PLUS 4. UV INDEX 1 OR LOW. TONIGHT..OVERCAST. RISK OF FREEZING DRIZZLE LATE THIS EVENING AND AFTER MIDNIGHT. FOG PATCHES DEVELOPING NEAR MIDNIGHT. WIND UP TO 15 KM/H. LOW MINUS 2. WIND CHILL MINUS 7 OVERNIGHT. SATURDAY..CLOUDY. FOG PATCHES DISSIPATING IN THE MORNING. WIND UP TO 15 KM/H. HIGH PLUS 3. WIND CHILL MINUS 6 IN THE MORNING. UV INDEX 3 OR MODERATE. REMAINDER UNCHANGED. END