FPCN11 CWTO 050612 AAD UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL REGION ISSUED BY ENVIRONMENT CANADA AT 2:11 A.M. EDT TUESDAY 5 MAY 2026 FOR TONIGHT TUESDAY AND TUESDAY NIGHT. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. EDT. BARRIE - COLLINGWOOD - HILLSDALE. TONIGHT..SHOWERS WITH RISK OF THUNDERSTORMS. WIND BECOMING NORTHWEST 20 KM/H BEFORE MORNING. LOW 8. TUESDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIND NORTHWEST 20 KM/H. HIGH 10. UV INDEX 4 OR MODERATE. TUESDAY NIGHT..MAINLY CLOUDY. LOW PLUS 3. MIDLAND - COLDWATER - ORR LAKE. TONIGHT..SHOWERS WITH RISK OF A THUNDERSTORM. WIND BECOMING NORTHWEST 20 KM/H BEFORE MORNING. LOW 7. TUESDAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIND WEST 30 KM/H GUSTING TO 50. HIGH 11. UV INDEX 5 OR MODERATE. TUESDAY NIGHT..PARTLY CLOUDY. WIND WEST 30 KM/H BECOMING LIGHT IN THE EVENING. LOW PLUS 3. ORILLIA - LAGOON CITY - WASHAGO. TONIGHT..SHOWERS WITH RISK OF A THUNDERSTORM. WIND SOUTH 30 KM/H. LOW 9. TUESDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIND NORTHWEST 20 KM/H GUSTING TO 40. HIGH 11. UV INDEX 4 OR MODERATE. TUESDAY NIGHT..MAINLY CLOUDY. WIND NORTHWEST 30 KM/H BECOMING LIGHT IN THE EVENING. LOW PLUS 5. PORT CARLING - PORT SEVERN. TONIGHT..SHOWERS WITH RISK OF A THUNDERSTORM. LOW 6. TUESDAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIND BECOMING WEST 30 KM/H GUSTING TO 50 IN THE MORNING. HIGH 11. UV INDEX 5 OR MODERATE. TUESDAY NIGHT..PARTLY CLOUDY. WIND WEST 30 KM/H BECOMING LIGHT IN THE EVENING. LOW PLUS 3. BRACEBRIDGE - GRAVENHURST. TONIGHT..SHOWERS WITH RISK OF A THUNDERSTORM. LOW 6. TUESDAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIND BECOMING WEST 30 KM/H GUSTING TO 60 IN THE MORNING. HIGH 11. UV INDEX 5 OR MODERATE. TUESDAY NIGHT..PARTLY CLOUDY. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING. LOW PLUS 3. REMAINDER UNCHANGED. END