433  
WWCN11 CWTO 211756  
YELLOW WARNING - SNOW SQUALL  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 12:56 P.M. EST WEDNESDAY 21 JANUARY 2026.  
---------------------------------------------------------------------  
YELLOW LEVEL WARNING - SNOW SQUALL - FOR:  
BAYFIELD INLET - DUNCHURCH.  
 
---------------------------------------------------------------------  
IMPACT LEVEL: MODERATE  
FORECAST CONFIDENCE: HIGH  
 
==DISCUSSION==  
 
LAKE EFFECT SNOW RETURNS THIS EVENING.  
 
WHAT:  
LOCAL SNOWFALL AMOUNTS OF 10 TO 20 CM.  
SIGNIFICANTLY REDUCED VISIBILITY IN HEAVY SNOW AND LOCAL BLOWING  
SNOW.  
 
WHEN:  
RETURNING THIS EVENING AND ENDING THURSDAY NIGHT.  
 
ADDITIONAL INFORMATION:  
THE LAKE EFFECT SNOW OFF GEORGIAN BAY HAS SHIFTED NORTH OUT OF THE  
REGION FOR TODAY.  
 
SNOW ASSOCIATED WITH AN ALBERTA CLIPPER WILL CONTINUE THIS AFTERNOON  
WITH UP TO 5 CM OF SNOW IS POSSIBLE.  
 
SNOW SQUALLS ARE EXPECTED TO REDEVELOP THIS EVENING, CONTINUING  
THROUGH THE DAY THURSDAY AND ENDING THURSDAY NIGHT.  
 
TRAVEL WILL LIKELY BE HAZARDOUS. VISIBILITY WILL LIKELY BE SUDDENLY  
REDUCED TO NEAR ZERO AT TIMES. ROADS AND WALKWAYS WILL LIKELY BE  
DIFFICULT TO NAVIGATE DUE TO ACCUMULATING SNOW. PREPARE FOR QUICKLY  
CHANGING AND DETERIORATING TRAVEL CONDITIONS. CONSIDER POSTPONING  
NON-ESSENTIAL TRAVEL AND OUTDOOR ACTIVITIES UNTIL CONDITIONS  
IMPROVE.  
 
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  
 
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