806
WWCN11 CWTO 280039
YELLOW WATCH - SNOW SQUALL
FOR SOUTHERN ONTARIO
ISSUED BY ENVIRONMENT CANADA
AT 8:39 P.M. EDT FRIDAY 27 MARCH 2026.
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YELLOW LEVEL WATCH - SNOW SQUALL - FOR:
=NEW= WINGHAM - BLYTH - NORTHERN HURON COUNTY
=NEW= LISTOWEL - MILVERTON - NORTHERN PERTH COUNTY
=NEW= MOUNT FOREST - ARTHUR - NORTHERN WELLINGTON COUNTY
=NEW= GREY - BRUCE.
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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH
==DISCUSSION==
SNOW SQUALLS POSSIBLE TONIGHT AND SATURDAY MORNING.
WHAT:
REDUCED VISIBILITY IN HEAVY AND LOCAL BLOWING SNOW
TOTAL LOCAL SNOWFALL AMOUNTS OF 5 TO 15 CENTIMETRES.
WHEN:
TONIGHT INTO SATURDAY MORNING.
ADDITIONAL INFORMATION:
A TROUGH WILL PUSH THROUGH THE REGION TONIGHT WITH A BAND OF HEAVY
SNOW EXPECTED TO BE ASSOCIATED WITH IT'S PASSAGE. COLD NORTHWESTERLY
WINDS WILL SETUP BEHIND THE TROUGH WHICH WILL LEAD TO THE
DEVELOPMENT OF LAKE EFFECT SNOW SQUALLS OFF LAKE HURON. PRIMARY
CONCERN WITH THE SQUALLS WILL BE FOR REDUCED VISIBILITY ASSOCIATED
WITH THE HEAVY SNOW WITHIN THE SQUALLS AS WELL LOCAL BLOWING SNOW.
MOST AREAS ARE EXPECTED TO SEE 5 TO 10 CENTIMETRES BUT LOCALLY UP TO
15 CENTIMETRES WILL BE POSSIBLE FOR AREAS WHERE THE HEAVIEST SNOW
SQUALLS SETUP FOR AN EXTENDED PERIOD OF TIME.
TRAVEL MAY BE HAZARDOUS. VISIBILITY MAY BE SUDDENLY REDUCED TO NEAR
ZERO AT TIMES. PREPARE FOR THE POSSIBILITY OF QUICKLY CHANGING AND
DETERIORATING TRAVEL CONDITIONS.
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.
HTTP://WEATHER.GC.CA
END/OSPC
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