FPCN11 CWTO 211948 AAA

UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL

REGION ISSUED BY ENVIRONMENT CANADA AT 3:48 P.M. EDT SATURDAY 21

MARCH 2026 FOR TONIGHT SUNDAY AND SUNDAY NIGHT.

THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. EDT SUNDAY.



WINGHAM - BLYTH - NORTHERN HURON COUNTY.

TONIGHT..MAINLY CLOUDY. PERIODS OF SNOW OR RAIN BEGINNING THIS

 EVENING AND ENDING LATER THIS EVENING. 60 PERCENT CHANCE OF RAIN

 SHOWERS BEFORE MORNING. WIND SOUTHEAST 20 KM/H BECOMING LIGHT LATE

 THIS EVENING. LOW PLUS 1.

SUNDAY..SHOWERS ENDING IN THE AFTERNOON THEN CLOUDY. WIND BECOMING

 NORTH 20 KM/H GUSTING TO 40 LATE IN THE MORNING. HIGH PLUS 5. UV

 INDEX 2 OR LOW.

SUNDAY NIGHT..CLOUDY. 40 PERCENT CHANCE OF FLURRIES OVERNIGHT. WIND

 NORTH 20 KM/H BECOMING LIGHT NEAR MIDNIGHT. LOW MINUS 4. WIND CHILL

 MINUS 9 OVERNIGHT.



LISTOWEL - MILVERTON - NORTHERN PERTH COUNTY.

TONIGHT..MAINLY CLOUDY. PERIODS OF SNOW OR RAIN BEGINNING THIS

 EVENING AND ENDING LATER THIS EVENING. 60 PERCENT CHANCE OF RAIN

 SHOWERS BEFORE MORNING. LOW PLUS 1.

SUNDAY..SHOWERS ENDING IN THE AFTERNOON THEN CLOUDY. HIGH 6. UV

 INDEX 2 OR LOW.

SUNDAY NIGHT..CLOUDY. 40 PERCENT CHANCE OF FLURRIES OVERNIGHT. WIND

 UP TO 15 KM/H. LOW MINUS 4. WIND CHILL MINUS 9 OVERNIGHT.



MOUNT FOREST - ARTHUR - NORTHERN WELLINGTON COUNTY.

TONIGHT..MAINLY CLOUDY. PERIODS OF SNOW OR RAIN BEGINNING EARLY THIS

 EVENING AND ENDING LATE THIS EVENING THEN 60 PERCENT CHANCE OF RAIN

 SHOWERS LATE THIS EVENING AND OVERNIGHT. RISK OF FREEZING RAIN LATE

 THIS EVENING AND OVERNIGHT. LOW PLUS 1.

SUNDAY..SHOWERS ENDING IN THE AFTERNOON THEN CLOUDY. HIGH PLUS 5. UV

 INDEX 2 OR LOW.

SUNDAY NIGHT..CLOUDY. 40 PERCENT CHANCE OF FLURRIES OVERNIGHT. WIND

 UP TO 15 KM/H. LOW MINUS 4. WIND CHILL MINUS 9 OVERNIGHT.



ORANGEVILLE - GRAND VALLEY - SOUTHERN DUFFERIN COUNTY.

TONIGHT..CLOUDY. PERIODS OF SNOW OR RAIN BEGINNING EARLY THIS EVENING

 AND ENDING LATE THIS EVENING THEN 60 PERCENT CHANCE OF RAIN SHOWERS

 LATE THIS EVENING AND OVERNIGHT. RISK OF FREEZING RAIN LATE THIS

 EVENING AND OVERNIGHT. LOW ZERO.

SUNDAY..SHOWERS ENDING IN THE AFTERNOON THEN CLOUDY. HIGH PLUS 5. UV

 INDEX 2 OR LOW.

SUNDAY NIGHT..CLOUDY. 40 PERCENT CHANCE OF FLURRIES OVERNIGHT. WIND

 UP TO 15 KM/H. LOW MINUS 4. WIND CHILL MINUS 9 OVERNIGHT.



SHELBURNE - MANSFIELD - NORTHERN DUFFERIN COUNTY.

TONIGHT..CLOUDY. PERIODS OF SNOW OR RAIN BEGINNING EARLY THIS EVENING

 AND ENDING LATE THIS EVENING THEN 60 PERCENT CHANCE OF RAIN SHOWERS

 LATE THIS EVENING AND OVERNIGHT. RISK OF FREEZING RAIN LATE THIS

 EVENING AND OVERNIGHT. LOW ZERO.

SUNDAY..SHOWERS ENDING IN THE AFTERNOON THEN CLOUDY. HIGH PLUS 4. UV

 INDEX 2 OR LOW.

SUNDAY NIGHT..CLOUDY. 40 PERCENT CHANCE OF FLURRIES OVERNIGHT. WIND

 UP TO 15 KM/H. LOW MINUS 5. WIND CHILL MINUS 10 OVERNIGHT.



SAUGEEN SHORES - KINCARDINE - SOUTHERN BRUCE COUNTY.

TONIGHT..MAINLY CLOUDY. PERIODS OF SNOW OR RAIN BEGINNING THIS

 EVENING AND ENDING LATER THIS EVENING. 60 PERCENT CHANCE OF RAIN

 SHOWERS BEFORE MORNING. WIND SOUTHEAST 20 KM/H BECOMING LIGHT LATE

 THIS EVENING. LOW PLUS 1.

SUNDAY..SHOWERS ENDING IN THE AFTERNOON THEN CLOUDY. WIND BECOMING

 NORTH 20 KM/H GUSTING TO 40 LATE IN THE MORNING. HIGH PLUS 4. UV

 INDEX 2 OR LOW.

SUNDAY NIGHT..CLOUDY. 40 PERCENT CHANCE OF FLURRIES OVERNIGHT. WIND

 NORTH 20 KM/H. LOW MINUS 4. WIND CHILL MINUS 9 OVERNIGHT.



HANOVER - DUNDALK - SOUTHERN GREY COUNTY.

TONIGHT..CLOUDY. PERIODS OF SNOW OR RAIN BEGINNING EARLY THIS EVENING

 AND ENDING LATE THIS EVENING THEN 60 PERCENT CHANCE OF RAIN SHOWERS

 LATE THIS EVENING AND OVERNIGHT. RISK OF FREEZING RAIN LATE THIS

 EVENING AND OVERNIGHT. LOW PLUS 1.

SUNDAY..SHOWERS ENDING IN THE AFTERNOON THEN CLOUDY. WIND BECOMING

 NORTHEAST 20 KM/H GUSTING TO 40 IN THE AFTERNOON. HIGH PLUS 4. UV

 INDEX 2 OR LOW.

SUNDAY NIGHT..CLOUDY. 40 PERCENT CHANCE OF FLURRIES OVERNIGHT. WIND

 NORTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT AFTER MIDNIGHT. LOW

 MINUS 4. WIND CHILL MINUS 9 OVERNIGHT.



REMAINDER UNCHANGED.



END