FPCN11 CWTO 191058 AAB UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL REGION ISSUED BY ENVIRONMENT CANADA AT 6:57 A.M. EDT SUNDAY 19 APRIL 2026 FOR TODAY AND MONDAY. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. EDT. GANANOQUE - MALLORYTOWN. TODAY..RAIN OR LIGHT SNOW ENDING THIS MORNING THEN MAINLY CLOUDY. 60 PERCENT CHANCE OF RAIN SHOWERS LATE THIS AFTERNOON. WIND BECOMING WEST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH 7. UV INDEX 6 OR HIGH. TONIGHT..MAINLY CLOUDY. 60 PERCENT CHANCE OF RAIN SHOWERS CHANGING TO 40 PERCENT CHANCE OF FLURRIES LATE THIS EVENING. WIND WEST 20 KM/H GUSTING TO 40. LOW MINUS 2. WIND CHILL MINUS 8 OVERNIGHT. MONDAY..A MIX OF SUN AND CLOUD. WIND NORTHWEST 20 KM/H. HIGH PLUS 3. WIND CHILL MINUS 8 IN THE MORNING. UV INDEX 4 OR MODERATE. BROCKVILLE - PRESCOTT. TODAY..RAIN OR SNOW ENDING THIS MORNING THEN MAINLY CLOUDY WITH 60 PERCENT CHANCE OF RAIN SHOWERS. WIND WEST 20 KM/H GUSTING TO 40. HIGH 6. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF RAIN SHOWERS CHANGING TO 60 PERCENT CHANCE OF FLURRIES THIS EVENING. WIND WEST 20 KM/H GUSTING TO 40. LOW MINUS 2. WIND CHILL MINUS 8 OVERNIGHT. MONDAY..A MIX OF SUN AND CLOUD. WIND NORTHWEST 20 KM/H GUSTING TO 40. HIGH PLUS 3. WIND CHILL MINUS 8 IN THE MORNING. UV INDEX 4 OR MODERATE. WESTPORT - CHARLESTON LAKE. TODAY..RAIN OR LIGHT SNOW ENDING THIS MORNING THEN MAINLY CLOUDY. 60 PERCENT CHANCE OF RAIN SHOWERS LATE THIS AFTERNOON. WIND BECOMING WEST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH 7. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF RAIN SHOWERS CHANGING TO 40 PERCENT CHANCE OF FLURRIES LATE THIS EVENING. WIND WEST 20 KM/H GUSTING TO 40. LOW MINUS 2. WIND CHILL MINUS 8 OVERNIGHT. MONDAY..INCREASING CLOUDINESS IN THE MORNING. WIND NORTHWEST 20 KM/H. HIGH PLUS 3. WIND CHILL MINUS 8 IN THE MORNING. UV INDEX 4 OR MODERATE. MERRICKVILLE-WOLFORD - KEMPTVILLE. TODAY..RAIN OR SNOW ENDING THIS MORNING THEN MAINLY CLOUDY WITH 60 PERCENT CHANCE OF RAIN SHOWERS. WIND WEST 20 KM/H GUSTING TO 40. HIGH 6. UV INDEX 6 OR HIGH. TONIGHT..MAINLY CLOUDY. 60 PERCENT CHANCE OF RAIN SHOWERS CHANGING TO 60 PERCENT CHANCE OF FLURRIES THIS EVENING. WIND WEST 20 KM/H GUSTING TO 40. LOW MINUS 2. WIND CHILL MINUS 8 OVERNIGHT. MONDAY..A MIX OF SUN AND CLOUD. WIND NORTHWEST 20 KM/H GUSTING TO 40. HIGH PLUS 3. WIND CHILL MINUS 8 IN THE MORNING. UV INDEX 4 OR MODERATE. OTTAWA NORTH - KANATA - ORLEANS. TODAY..RAIN OR SNOW ENDING THIS MORNING THEN MAINLY CLOUDY WITH 60 PERCENT CHANCE OF RAIN SHOWERS. WIND WEST 20 KM/H GUSTING TO 40. HIGH 6. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF RAIN SHOWERS CHANGING TO 60 PERCENT CHANCE OF FLURRIES THIS EVENING. WIND WEST 20 KM/H GUSTING TO 40. LOW MINUS 2. WIND CHILL MINUS 8 OVERNIGHT. MONDAY..INCREASING CLOUDINESS EARLY IN THE MORNING. WIND NORTHWEST 20 KM/H GUSTING TO 40. HIGH PLUS 3. WIND CHILL MINUS 8 IN THE MORNING. UV INDEX 4 OR MODERATE. OTTAWA SOUTH - RICHMOND - METCALFE. TODAY..RAIN OR SNOW ENDING THIS MORNING THEN MAINLY CLOUDY WITH 60 PERCENT CHANCE OF RAIN SHOWERS. WIND WEST 20 KM/H GUSTING TO 40. HIGH 6. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF RAIN SHOWERS CHANGING TO 60 PERCENT CHANCE OF FLURRIES THIS EVENING. WIND WEST 20 KM/H GUSTING TO 40. LOW MINUS 2. WIND CHILL MINUS 8 OVERNIGHT. MONDAY..INCREASING CLOUDINESS EARLY IN THE MORNING. WIND NORTHWEST 20 KM/H GUSTING TO 40. HIGH PLUS 3. WIND CHILL MINUS 8 IN THE MORNING. UV INDEX 4 OR MODERATE. GATINEAU. TODAY..RAIN OR SNOW ENDING THIS MORNING THEN MAINLY CLOUDY WITH 60 PERCENT CHANCE OF RAIN SHOWERS. WIND WEST 20 KM/H GUSTING TO 40. HIGH 6. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF RAIN SHOWERS CHANGING TO 60 PERCENT CHANCE OF FLURRIES THIS EVENING. WIND WEST 20 KM/H GUSTING TO 40. LOW MINUS 2. WIND CHILL MINUS 8 OVERNIGHT. MONDAY..INCREASING CLOUDINESS EARLY IN THE MORNING. WIND NORTHWEST 20 KM/H GUSTING TO 40. HIGH PLUS 3. WIND CHILL MINUS 8 IN THE MORNING. UV INDEX 4 OR MODERATE. PRESCOTT AND RUSSELL. TODAY..RAIN OR SNOW ENDING THIS MORNING THEN MAINLY CLOUDY WITH 60 PERCENT CHANCE OF RAIN SHOWERS. WIND WEST 20 KM/H GUSTING TO 40. HIGH 6. UV INDEX 6 OR HIGH. TONIGHT..MAINLY CLOUDY. 60 PERCENT CHANCE OF RAIN SHOWERS CHANGING TO 60 PERCENT CHANCE OF FLURRIES THIS EVENING. WIND WEST 20 KM/H GUSTING TO 40. LOW MINUS 2. WIND CHILL MINUS 8 OVERNIGHT. MONDAY..INCREASING CLOUDINESS IN THE MORNING. WIND NORTHWEST 20 KM/H GUSTING TO 40. HIGH PLUS 3. WIND CHILL MINUS 8 IN THE MORNING. UV INDEX 4 OR MODERATE. MORRISBURG - LONG SAULT. TODAY..RAIN OR SNOW ENDING THIS MORNING THEN MAINLY CLOUDY WITH 60 PERCENT CHANCE OF RAIN SHOWERS. WIND WEST 20 KM/H GUSTING TO 40. HIGH 6. UV INDEX 6 OR HIGH. TONIGHT..MAINLY CLOUDY. 60 PERCENT CHANCE OF RAIN SHOWERS CHANGING TO 60 PERCENT CHANCE OF FLURRIES THIS EVENING. WIND WEST 20 KM/H GUSTING TO 40. LOW MINUS 2. WIND CHILL MINUS 8 OVERNIGHT. MONDAY..A MIX OF SUN AND CLOUD. WIND NORTHWEST 20 KM/H GUSTING TO 40. HIGH PLUS 3. WIND CHILL MINUS 8 IN THE MORNING. UV INDEX 4 OR MODERATE. CORNWALL - LANCASTER. TODAY..RAIN OR SNOW ENDING THIS MORNING THEN CLOUDY WITH 60 PERCENT CHANCE OF RAIN SHOWERS. WIND WEST 20 KM/H GUSTING TO 40. HIGH 6. UV INDEX 6 OR HIGH. TONIGHT..MAINLY CLOUDY. 60 PERCENT CHANCE OF RAIN SHOWERS CHANGING TO 60 PERCENT CHANCE OF FLURRIES THIS EVENING. WIND WEST 20 KM/H GUSTING TO 40. LOW MINUS 2. WIND CHILL MINUS 8 OVERNIGHT. MONDAY..MAINLY CLOUDY. WIND NORTHWEST 20 KM/H GUSTING TO 40. HIGH PLUS 3. WIND CHILL MINUS 8 IN THE MORNING. UV INDEX 4 OR MODERATE. WINCHESTER - NEWINGTON. TODAY..RAIN OR SNOW ENDING THIS MORNING THEN MAINLY CLOUDY WITH 60 PERCENT CHANCE OF RAIN SHOWERS. WIND WEST 20 KM/H GUSTING TO 40. HIGH 6. UV INDEX 6 OR HIGH. TONIGHT..MAINLY CLOUDY. 60 PERCENT CHANCE OF RAIN SHOWERS CHANGING TO 60 PERCENT CHANCE OF FLURRIES THIS EVENING. WIND WEST 20 KM/H GUSTING TO 40. LOW MINUS 2. WIND CHILL MINUS 8 OVERNIGHT. MONDAY..A MIX OF SUN AND CLOUD. WIND NORTHWEST 20 KM/H GUSTING TO 40. HIGH PLUS 3. WIND CHILL MINUS 8 IN THE MORNING. UV INDEX 4 OR MODERATE. MAXVILLE - ALEXANDRIA. TODAY..RAIN OR SNOW ENDING THIS MORNING THEN MAINLY CLOUDY WITH 60 PERCENT CHANCE OF RAIN SHOWERS. WIND WEST 20 KM/H GUSTING TO 40. HIGH 6. UV INDEX 6 OR HIGH. TONIGHT..MAINLY CLOUDY. 60 PERCENT CHANCE OF RAIN SHOWERS CHANGING TO 60 PERCENT CHANCE OF FLURRIES THIS EVENING. WIND WEST 20 KM/H GUSTING TO 40. LOW MINUS 2. WIND CHILL MINUS 8 OVERNIGHT. MONDAY..INCREASING CLOUDINESS IN THE MORNING. WIND NORTHWEST 20 KM/H GUSTING TO 40. HIGH PLUS 3. WIND CHILL MINUS 8 IN THE MORNING. UV INDEX 4 OR MODERATE. REMAINDER UNCHANGED. END