FPCN11 CWTO 152219 AAC UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL REGION ISSUED BY ENVIRONMENT CANADA AT 6:19 P.M. EDT SUNDAY 15 MARCH 2026 FOR TONIGHT MONDAY AND MONDAY NIGHT. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. EDT MONDAY. BANCROFT - HASTINGS HIGHLANDS - DENBIGH. TONIGHT..CLOUDY. 40 PERCENT CHANCE OF DRIZZLE CHANGING TO 40 PERCENT CHANCE OF RAIN SHOWERS OR DRIZZLE BEFORE MORNING. RISK OF FREEZING DRIZZLE THIS EVENING. WIND BECOMING SOUTHEAST 20 KM/H GUSTING TO 40 LATE THIS EVENING THEN INCREASING TO 40 GUSTING TO 60 BEFORE MORNING. TEMPERATURE RISING TO PLUS 5 BY MORNING. WIND CHILL MINUS 7 THIS EVENING. MONDAY..CLOUDY. 40 PERCENT CHANCE OF SHOWERS OR DRIZZLE IN THE MORNING. SHOWERS BEGINNING NEAR NOON. WIND SOUTH 40 KM/H GUSTING TO 60 DIMINISHING TO 20 GUSTING TO 50 LATE IN THE MORNING. HIGH 11. UV INDEX 2 OR LOW. MONDAY NIGHT..CLOUDY. 40 PERCENT CHANCE OF FLURRIES IN THE EVENING. SNOW AND LOCAL BLOWING SNOW BEGINNING NEAR MIDNIGHT. RISK OF FREEZING RAIN IN THE EVENING. SNOWFALL AMOUNT 5 TO 10 CM. WIND WEST 20 KM/H GUSTING TO 50 BECOMING SOUTHWEST 40 GUSTING TO 60 AFTER MIDNIGHT. LOW MINUS 15. WIND CHILL MINUS 22 OVERNIGHT. OXTONGUE LAKE - FORT IRWIN - NORTHERN HALIBURTON COUNTY. TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF DRIZZLE CHANGING TO 40 PERCENT CHANCE OF RAIN SHOWERS OR DRIZZLE BEFORE MORNING. RISK OF FREEZING DRIZZLE AND THUNDERSTORMS THIS EVENING. WIND BECOMING SOUTHEAST 20 KM/H GUSTING TO 40 THIS EVENING. TEMPERATURE RISING TO 7 BY MORNING. WIND CHILL MINUS 7 THIS EVENING. MONDAY..CLOUDY. 40 PERCENT CHANCE OF SHOWERS OR DRIZZLE EARLY IN THE MORNING. SHOWERS BEGINNING IN THE MORNING AND ENDING IN THE AFTERNOON. WIND SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING SOUTHWEST 30 GUSTING TO 50 IN THE AFTERNOON. HIGH 10. UV INDEX 2 OR LOW. MONDAY NIGHT..SNOW AND LOCAL BLOWING SNOW. AMOUNT 5 CM. WIND WEST 40 KM/H GUSTING TO 70. LOW MINUS 16. WIND CHILL MINUS 21 OVERNIGHT. BARRY'S BAY - KILLALOE. TONIGHT..PERIODS OF ICE PELLETS OR FREEZING RAIN ENDING LATE THIS EVENING THEN CLOUDY WITH 40 PERCENT CHANCE OF RAIN SHOWERS OR DRIZZLE. RISK OF FREEZING DRIZZLE LATE THIS EVENING AND AFTER MIDNIGHT. WIND BECOMING SOUTH 20 KM/H GUSTING TO 50 LATE THIS EVENING THEN INCREASING TO 40 GUSTING TO 60 AFTER MIDNIGHT. TEMPERATURE RISING TO PLUS 4 BY MORNING. WIND CHILL MINUS 9 THIS EVENING. MONDAY..CLOUDY. 40 PERCENT CHANCE OF SHOWERS OR DRIZZLE IN THE MORNING. SHOWERS BEGINNING LATE IN THE MORNING. WIND SOUTH 40 KM/H GUSTING TO 60. HIGH 11. UV INDEX 2 OR LOW. MONDAY NIGHT..CLOUDY. 40 PERCENT CHANCE OF FLURRIES IN THE EVENING. SNOW AND LOCAL BLOWING SNOW BEGINNING NEAR MIDNIGHT. RISK OF FREEZING RAIN IN THE EVENING. SNOWFALL AMOUNT 5 CM. WIND SOUTHWEST 30 KM/H GUSTING TO 50. LOW MINUS 14. WIND CHILL MINUS 19 OVERNIGHT. RENFREW - ARNPRIOR - CALABOGIE. TONIGHT..PERIODS OF ICE PELLETS OR FREEZING RAIN ENDING LATE THIS EVENING THEN CLOUDY WITH 40 PERCENT CHANCE OF RAIN SHOWERS OR DRIZZLE. RISK OF FREEZING DRIZZLE LATE THIS EVENING AND AFTER MIDNIGHT. WIND BECOMING SOUTH 20 KM/H GUSTING TO 40 LATE THIS EVENING THEN INCREASING TO 40 GUSTING TO 60. TEMPERATURE RISING TO PLUS 3 BY MORNING. WIND CHILL MINUS 9 THIS EVENING. MONDAY..CLOUDY. 40 PERCENT CHANCE OF SHOWERS OR DRIZZLE IN THE MORNING. SHOWERS BEGINNING LATE IN THE MORNING. WIND SOUTH 40 KM/H GUSTING TO 60. HIGH 9. UV INDEX 2 OR LOW. MONDAY NIGHT..CLOUDY. 40 PERCENT CHANCE OF FLURRIES IN THE EVENING. SNOW AND LOCAL BLOWING SNOW BEGINNING NEAR MIDNIGHT. RISK OF FREEZING RAIN IN THE EVENING. SNOWFALL AMOUNT 5 CM. WIND SOUTHWEST 30 KM/H GUSTING TO 50. LOW MINUS 12. WIND CHILL MINUS 17 OVERNIGHT. PETAWAWA - PEMBROKE - COBDEN. TONIGHT..PERIODS OF ICE PELLETS OR FREEZING RAIN ENDING LATE THIS EVENING THEN CLOUDY WITH 40 PERCENT CHANCE OF RAIN SHOWERS OR DRIZZLE. RISK OF FREEZING DRIZZLE LATE THIS EVENING AND AFTER MIDNIGHT. WIND EAST 30 KM/H GUSTING TO 50 BECOMING SOUTH 20 GUSTING TO 40 LATE THIS EVENING THEN INCREASING TO 40 GUSTING TO 60. TEMPERATURE RISING TO PLUS 2 BY MORNING. WIND CHILL MINUS 9 THIS EVENING. MONDAY..CLOUDY. 40 PERCENT CHANCE OF SHOWERS OR DRIZZLE IN THE MORNING. SHOWERS BEGINNING LATE IN THE MORNING. WIND SOUTH 40 KM/H GUSTING TO 60. HIGH 8. UV INDEX 2 OR LOW. MONDAY NIGHT..CLOUDY. 40 PERCENT CHANCE OF FLURRIES IN THE EVENING. SNOW AND LOCAL BLOWING SNOW BEGINNING NEAR MIDNIGHT. RISK OF FREEZING RAIN IN THE EVENING. SNOWFALL AMOUNT 5 CM. WIND SOUTHWEST 30 KM/H GUSTING TO 50. LOW MINUS 12. WIND CHILL MINUS 16 OVERNIGHT. WESTERN ALGONQUIN PARK - LAKE OF TWO RIVERS. TONIGHT..ICE PELLETS OR FREEZING RAIN CHANGING TO FREEZING RAIN AND ENDING NEAR MIDNIGHT THEN CLOUDY WITH 40 PERCENT CHANCE OF RAIN SHOWERS OR DRIZZLE. RISK OF THUNDERSTORMS EARLY THIS EVENING. WIND BECOMING SOUTHEAST 20 KM/H GUSTING TO 40 LATE THIS EVENING THEN SOUTH 40 GUSTING TO 60. TEMPERATURE RISING TO PLUS 4 BY MORNING. WIND CHILL MINUS 9 THIS EVENING. MONDAY..RAIN SHOWERS ENDING IN THE AFTERNOON THEN CLOUDY WITH 40 PERCENT CHANCE OF FLURRIES. WIND SOUTH 40 KM/H GUSTING TO 60 BECOMING SOUTHWEST 20 GUSTING TO 40 IN THE AFTERNOON. HIGH 10. UV INDEX 1 OR LOW. MONDAY NIGHT..SNOW AND LOCAL BLOWING SNOW. AMOUNT 5 CM. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING NORTHWEST 40 GUSTING TO 60 AFTER MIDNIGHT. LOW MINUS 16. WIND CHILL MINUS 22 OVERNIGHT. DEEP RIVER - WHITNEY - EASTERN ALGONQUIN PARK. TONIGHT..PERIODS OF ICE PELLETS OR FREEZING RAIN ENDING LATE THIS EVENING THEN CLOUDY WITH 40 PERCENT CHANCE OF RAIN SHOWERS OR DRIZZLE. RISK OF THUNDERSTORMS EARLY THIS EVENING. RISK OF FREEZING DRIZZLE LATE THIS EVENING AND AFTER MIDNIGHT. WIND BECOMING SOUTH 20 KM/H GUSTING TO 40 LATE THIS EVENING THEN INCREASING TO 40 GUSTING TO 60. TEMPERATURE RISING TO PLUS 5 BY MORNING. WIND CHILL MINUS 10 THIS EVENING. MONDAY..CLOUDY. 40 PERCENT CHANCE OF SHOWERS OR DRIZZLE IN THE MORNING. SHOWERS BEGINNING LATE IN THE MORNING. WIND SOUTH 40 KM/H GUSTING TO 60. HIGH 10. UV INDEX 2 OR LOW. MONDAY NIGHT..CLOUDY. 40 PERCENT CHANCE OF FLURRIES IN THE EVENING. SNOW AND LOCAL BLOWING SNOW BEGINNING NEAR MIDNIGHT. RISK OF FREEZING RAIN IN THE EVENING. SNOWFALL AMOUNT 5 CM. WIND SOUTHWEST 30 KM/H GUSTING TO 50. LOW MINUS 16. WIND CHILL MINUS 20 OVERNIGHT. BAYFIELD INLET - DUNCHURCH. TONIGHT..ICE PELLETS OR FREEZING RAIN CHANGING TO FREEZING RAIN AND ENDING NEAR MIDNIGHT THEN CLOUDY WITH 40 PERCENT CHANCE OF RAIN SHOWERS OR DRIZZLE. WIND EAST 30 KM/H GUSTING TO 60 BECOMING SOUTH 40 GUSTING TO 60 AFTER MIDNIGHT. TEMPERATURE RISING TO 6 BY MORNING. WIND CHILL MINUS 8 THIS EVENING. MONDAY..RAIN SHOWERS ENDING IN THE AFTERNOON THEN CLOUDY WITH 40 PERCENT CHANCE OF FLURRIES. WIND SOUTH 40 KM/H GUSTING TO 60 BECOMING SOUTHWEST 20 GUSTING TO 40 IN THE AFTERNOON. HIGH 10. UV INDEX 1 OR LOW. MONDAY NIGHT..SNOW AND LOCAL BLOWING SNOW. AMOUNT 5 CM. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING NORTHWEST 40 GUSTING TO 60 AFTER MIDNIGHT. LOW MINUS 16. WIND CHILL MINUS 26 OVERNIGHT. SOUTH RIVER - BURK'S FALLS. TONIGHT..ICE PELLETS OR FREEZING RAIN CHANGING TO FREEZING RAIN AND ENDING NEAR MIDNIGHT THEN CLOUDY WITH 40 PERCENT CHANCE OF RAIN SHOWERS OR DRIZZLE. RISK OF THUNDERSTORMS EARLY THIS EVENING. WIND EAST 30 KM/H GUSTING TO 60 BECOMING SOUTH 40 GUSTING TO 60 AFTER MIDNIGHT. TEMPERATURE RISING TO PLUS 5 BY MORNING. WIND CHILL MINUS 9 THIS EVENING. MONDAY..RAIN SHOWERS ENDING IN THE AFTERNOON THEN CLOUDY WITH 40 PERCENT CHANCE OF FLURRIES. WIND SOUTH 40 KM/H GUSTING TO 60 BECOMING SOUTHWEST 20 GUSTING TO 40 IN THE AFTERNOON. HIGH 10. UV INDEX 1 OR LOW. MONDAY NIGHT..SNOW AND LOCAL BLOWING SNOW. AMOUNT 5 CM. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING NORTHWEST 40 GUSTING TO 60 AFTER MIDNIGHT. LOW MINUS 16. WIND CHILL MINUS 25 OVERNIGHT. REMAINDER UNCHANGED. END