938  
WWCN11 CWTO 292322  
YELLOW WARNING - SNOW SQUALL  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 6:22 P.M. EST MONDAY 29 DECEMBER 2025.  
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YELLOW LEVEL WARNING - SNOW SQUALL - FOR:  
GUELPH - ERIN - SOUTHERN WELLINGTON COUNTY  
ORANGEVILLE - GRAND VALLEY - SOUTHERN DUFFERIN COUNTY  
SHELBURNE - MANSFIELD - NORTHERN DUFFERIN COUNTY.  
 
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IMPACT LEVEL: MODERATE  
FORECAST CONFIDENCE: HIGH  
 
==DISCUSSION==  
 
SNOW SQUALLS AND BLOWING SNOW TONIGHT.  
 
WHAT:  
NEAR ZERO VISIBILITY AT TIMES IN LOCAL BLOWING SNOW.  
LOCAL SNOWFALL AMOUNTS OF 5 TO 10 CM.  
 
WHEN:  
CONTINUING INTO TUESDAY MORNING.  
 
ADDITIONAL INFORMATION:  
LAKE EFFECT SNOW SQUALLS OFF LAKE HURON HAVE DEVELOPED BEHIND A  
SHARP COLD FRONT. BLOWING SNOW AND POOR VISIBILITY WILL BE THE  
PRIMARY CONCERN AS STRONG NORTHWESTERLY WIND GUSTS OF 70 KM/H ARE  
EXPECTED.  
 
TRAVEL WILL LIKELY BE HAZARDOUS. VISIBILITY WILL LIKELY BE SUDDENLY  
REDUCED TO NEAR ZERO AT TIMES. ROAD CLOSURES ARE POSSIBLE. PREPARE  
FOR 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.  
 
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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