WWCN11 CWTO 110101

YELLOW WARNING - SNOW SQUALL

FOR SOUTHERN ONTARIO

ISSUED BY ENVIRONMENT CANADA

AT 8:01 P.M. EST WEDNESDAY 10 DECEMBER 2025.

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YELLOW LEVEL WARNING - SNOW SQUALL - FOR:

=NEW= LISTOWEL - MILVERTON - NORTHERN PERTH COUNTY

=NEW= SAUGEEN SHORES - KINCARDINE - SOUTHERN BRUCE COUNTY.



YELLOW LEVEL WARNING - SNOW SQUALL - REPLACES YELLOW LEVEL WATCH - 

SNOW SQUALL - FOR:

      LISTOWEL - MILVERTON - NORTHERN PERTH COUNTY

      SAUGEEN SHORES - KINCARDINE - SOUTHERN BRUCE COUNTY.



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IMPACT LEVEL: MODERATE

FORECAST CONFIDENCE: HIGH



==DISCUSSION==



SNOW SQUALLS ARE EXPECTED TONIGHT THROUGH THURSDAY. 



WHAT: 

TOTAL LOCAL SNOWFALL AMOUNTS OF 15 TO 25 CM POSSIBLE. 

SIGNIFICANTLY REDUCED VISIBILITY IN HEAVY SNOW AND LOCAL BLOWING 

SNOW. 



WHEN: 

TONIGHT THROUGH THURSDAY NIGHT. 



ADDITIONAL INFORMATION: 

SNOW SQUALLS ARE EXPECTED TO PERSIST THROUGH AT LEAST THURSDAY NIGHT 

BEFORE TAPERING TO LAKE EFFECT FLURRIES. SNOWFALL AMOUNTS WILL BE 

HIGHLY VARIABLE ACROSS THE AREA.



TRAVEL WILL LIKELY BE HAZARDOUS. VISIBILITY WILL LIKELY BE SUDDENLY 

REDUCED TO NEAR ZERO AT TIMES. ROAD CLOSURES ARE POSSIBLE. 



PLEASE CONTINUE TO MONITOR ALERTS AND FORECASTS ISSUED BY 

ENVIRONMENT CANADA. 



TO REPORT SEVERE WEATHER IN ONTARIO, SEND AN EMAIL TO 

ONSTORM(AT)EC.GC.CA OR POST REPORTS ON X USING (HASH)ONSTORM. 



FOR MORE INFORMATION ABOUT THE ALERTING PROGRAM, PLEASE VISIT: 

HTTPS://WWW.CANADA.CA/EN/SERVICES/ENVIRONMENT/WEATHER/SEVEREWEATHER/WEATHER-ALERTS/COLOUR-CODED-ALERTS.



HTTP://WEATHER.GC.CA



END/OSPC