047  
FPCN11 CWTO 142212 AAA  
UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL  
REGION ISSUED BY ENVIRONMENT CANADA AT 5:11 P.M. EST SUNDAY 14  
DECEMBER 2025 FOR TONIGHT MONDAY AND MONDAY NIGHT.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. EST MONDAY.  
 
SARNIA - PETROLIA - WESTERN LAMBTON COUNTY.  
TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF FLURRIES EARLY THIS  
EVENING. LOCAL BLOWING SNOW EARLY THIS EVENING. WIND WEST 30 KM/H  
GUSTING TO 50 BECOMING LIGHT AFTER MIDNIGHT. TEMPERATURE STEADY NEAR  
MINUS 10. WIND CHILL NEAR MINUS 20.  
MONDAY..MAINLY CLOUDY. 70 PERCENT CHANCE OF FLURRIES CHANGING TO  
30 PERCENT CHANCE OF FLURRIES IN THE AFTERNOON. WIND SOUTHWEST  
30 KM/H GUSTING TO 50. TEMPERATURE STEADY NEAR MINUS 8. WIND CHILL  
NEAR MINUS 18. UV INDEX 1 OR LOW.  
MONDAY NIGHT..OVERCAST. WIND SOUTHWEST 30 KM/H BECOMING LIGHT LATE IN  
THE EVENING. TEMPERATURE STEADY NEAR MINUS 9. WIND CHILL NEAR  
MINUS 17.  
 
WATFORD - PINERY PARK - EASTERN LAMBTON COUNTY.  
TONIGHT..A FEW FLURRIES ENDING LATE THIS EVENING THEN CLOUDY. LOCAL  
SNOW SQUALLS EARLY THIS EVENING. RISK OF SNOW SQUALLS THIS EVENING.  
LOCAL AMOUNT 10 TO 15 CM. LOCAL BLOWING SNOW EARLY THIS EVENING.  
WIND NORTHWEST 30 KM/H GUSTING TO 50 BECOMING LIGHT THIS EVENING.  
LOW MINUS 12. WIND CHILL NEAR MINUS 18.  
MONDAY..CLOUDY. A FEW FLURRIES BEGINNING IN THE MORNING. LOCAL AMOUNT  
2 CM. LOCAL BLOWING SNOW IN THE AFTERNOON. WIND SOUTHWEST 30 KM/H  
GUSTING TO 50. HIGH MINUS 7. WIND CHILL NEAR MINUS 20. UV INDEX 1 OR  
LOW.  
MONDAY NIGHT..CLOUDY. 30 PERCENT CHANCE OF FLURRIES EARLY IN THE  
EVENING. LOCAL BLOWING SNOW EARLY IN THE EVENING. WIND SOUTHWEST  
30 KM/H GUSTING TO 50 BECOMING LIGHT LATE IN THE EVENING. LOW  
MINUS 15. WIND CHILL NEAR MINUS 21.  
 
RODNEY - SHEDDEN - WESTERN ELGIN COUNTY.  
TONIGHT..A FEW FLURRIES ENDING LATE THIS EVENING THEN PARTLY CLOUDY.  
RISK OF SNOW SQUALLS EARLY THIS EVENING. LOCAL AMOUNT 2 TO 4 CM.  
LOCAL BLOWING SNOW EARLY THIS EVENING. WIND WEST 20 KM/H BECOMING  
LIGHT LATE THIS EVENING. LOW MINUS 13. WIND CHILL NEAR MINUS 20.  
MONDAY..MAINLY CLOUDY. A FEW FLURRIES BEGINNING IN THE MORNING AND  
ENDING LATE IN THE AFTERNOON THEN 40 PERCENT CHANCE OF FLURRIES.  
LOCAL AMOUNT 2 CM. WIND SOUTHWEST 30 KM/H GUSTING TO 50. HIGH  
MINUS 6. WIND CHILL MINUS 22 IN THE MORNING AND MINUS 13 IN THE  
AFTERNOON. UV INDEX 1 OR LOW.  
MONDAY NIGHT..CLOUDY. 40 PERCENT CHANCE OF FLURRIES EARLY IN THE  
EVENING. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT EARLY  
IN THE EVENING. LOW MINUS 16. WIND CHILL MINUS 15 IN THE EVENING AND  
MINUS 20 OVERNIGHT.  
 
STRATHROY - KOMOKA - WESTERN MIDDLESEX COUNTY.  
TONIGHT..A FEW FLURRIES ENDING LATE THIS EVENING THEN MAINLY CLOUDY.  
LOCAL SNOW SQUALLS EARLY THIS EVENING. RISK OF SNOW SQUALLS THIS  
EVENING. LOCAL AMOUNT 10 TO 15 CM. LOCAL BLOWING SNOW EARLY THIS  
EVENING. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT AFTER  
MIDNIGHT. LOW MINUS 13. WIND CHILL MINUS 14 THIS EVENING AND  
MINUS 19 OVERNIGHT.  
MONDAY..MAINLY CLOUDY. A FEW FLURRIES BEGINNING IN THE MORNING. LOCAL  
AMOUNT 2 CM. LOCAL BLOWING SNOW LATE IN THE MORNING AND IN THE  
AFTERNOON. WIND BECOMING SOUTHWEST 30 KM/H GUSTING TO 50 IN THE  
MORNING. HIGH MINUS 6. WIND CHILL MINUS 19 IN THE MORNING AND  
MINUS 14 IN THE AFTERNOON. UV INDEX 1 OR LOW.  
MONDAY NIGHT..CLOUDY. 30 PERCENT CHANCE OF FLURRIES EARLY IN THE  
EVENING. LOCAL BLOWING SNOW EARLY IN THE EVENING. WIND SOUTHWEST  
30 KM/H GUSTING TO 50 BECOMING LIGHT EARLY IN THE EVENING. LOW  
MINUS 15. WIND CHILL MINUS 14 IN THE EVENING AND MINUS 19 OVERNIGHT.  
 
LONDON - PARKHILL - EASTERN MIDDLESEX COUNTY.  
TONIGHT..A FEW FLURRIES ENDING NEAR MIDNIGHT THEN CLOUDY WITH  
30 PERCENT CHANCE OF FLURRIES. RISK OF SNOW SQUALLS EARLY THIS  
EVENING. LOCAL AMOUNT 5 CM. LOCAL BLOWING SNOW EARLY THIS EVENING.  
WIND NORTHWEST 30 KM/H GUSTING TO 50. TEMPERATURE RISING TO MINUS 8  
THIS EVENING THEN FALLING. WIND CHILL MINUS 15 THIS EVENING AND  
MINUS 26 OVERNIGHT.  
MONDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF FLURRIES EARLY IN THE  
MORNING. A FEW FLURRIES BEGINNING IN THE MORNING. LOCAL AMOUNT 2 TO  
4 CM. LOCAL BLOWING SNOW LATE IN THE MORNING AND IN THE AFTERNOON.  
WIND WEST 30 KM/H GUSTING TO 50. HIGH MINUS 6. WIND CHILL MINUS 24  
IN THE MORNING AND MINUS 14 IN THE AFTERNOON. UV INDEX 1 OR LOW.  
MONDAY NIGHT..CLOUDY. 40 PERCENT CHANCE OF FLURRIES IN THE EVENING  
AND AFTER MIDNIGHT. WIND WEST 30 KM/H GUSTING TO 50 BECOMING LIGHT  
AFTER MIDNIGHT. WIND BECOMING SOUTH 30 BEFORE MORNING. LOW MINUS 15.  
WIND CHILL MINUS 18 IN THE EVENING AND MINUS 26 OVERNIGHT.  
 
GODERICH - BLUEWATER - SOUTHERN HURON COUNTY.  
TONIGHT..A FEW FLURRIES ENDING NEAR MIDNIGHT THEN CLOUDY WITH  
30 PERCENT CHANCE OF FLURRIES. RISK OF SNOW SQUALLS EARLY THIS  
EVENING. LOCAL AMOUNT 5 CM. LOCAL BLOWING SNOW EARLY THIS EVENING.  
WIND NORTH 30 KM/H GUSTING TO 50 BECOMING WEST 30 GUSTING TO 50  
AFTER MIDNIGHT. TEMPERATURE RISING TO MINUS 5 THIS EVENING THEN  
STEADY. WIND CHILL NEAR MINUS 17.  
MONDAY..CLOUDY. 30 PERCENT CHANCE OF FLURRIES EARLY IN THE MORNING. A  
FEW FLURRIES BEGINNING IN THE MORNING. LOCAL AMOUNT 2 TO 4 CM. LOCAL  
BLOWING SNOW LATE IN THE MORNING AND IN THE AFTERNOON. WIND  
SOUTHWEST 40 KM/H GUSTING TO 60. TEMPERATURE STEADY NEAR MINUS 6.  
WIND CHILL NEAR MINUS 17. UV INDEX 1 OR LOW.  
MONDAY NIGHT..CLOUDY. 40 PERCENT CHANCE OF FLURRIES IN THE EVENING  
AND AFTER MIDNIGHT. WIND WEST 30 KM/H GUSTING TO 50 BECOMING LIGHT  
AFTER MIDNIGHT. WIND BECOMING SOUTH 30 BEFORE MORNING. LOW MINUS 12.  
WIND CHILL MINUS 13 IN THE EVENING AND MINUS 22 OVERNIGHT.  
 
WINGHAM - BLYTH - NORTHERN HURON COUNTY.  
TONIGHT..A FEW FLURRIES ENDING THIS EVENING THEN CLOUDY WITH  
40 PERCENT CHANCE OF FLURRIES LATER THIS EVENING. A FEW FLURRIES  
BEGINNING NEAR MIDNIGHT. RISK OF SNOW SQUALLS EARLY THIS EVENING.  
LOCAL BLOWING SNOW EARLY THIS EVENING. WIND BECOMING WEST 20 KM/H  
AFTER MIDNIGHT. LOW MINUS 11 WITH TEMPERATURE RISING TO MINUS 6 BY  
MORNING. WIND CHILL MINUS 13 THIS EVENING AND MINUS 18 OVERNIGHT.  
MONDAY..FLURRIES. LOCAL AMOUNT 2 TO 4 CM. LOCAL BLOWING SNOW LATE IN  
THE MORNING AND IN THE AFTERNOON. WIND SOUTHWEST 30 KM/H GUSTING TO  
50. HIGH MINUS 4. WIND CHILL NEAR MINUS 15. UV INDEX 1 OR LOW.  
MONDAY NIGHT..FLURRIES. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING  
LIGHT EARLY IN THE EVENING. LOW MINUS 11. WIND CHILL NEAR MINUS 15.  
 
STRATFORD - MITCHELL - SOUTHERN PERTH COUNTY.  
TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES. WIND WEST  
20 KM/H. LOW MINUS 16. WIND CHILL MINUS 16 THIS EVENING AND MINUS 25  
OVERNIGHT.  
MONDAY..FLURRIES. LOCAL AMOUNT 2 TO 4 CM. LOCAL BLOWING SNOW LATE IN  
THE MORNING AND IN THE AFTERNOON. WIND SOUTHWEST 30 KM/H GUSTING TO  
50. HIGH MINUS 9. WIND CHILL NEAR MINUS 20. UV INDEX 1 OR LOW.  
MONDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF FLURRIES. WIND  
SOUTHWEST 20 KM/H BECOMING LIGHT LATE IN THE EVENING. LOW MINUS 14.  
WIND CHILL NEAR MINUS 20.  
 
REMAINDER UNCHANGED.  
 
END  
 
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