481  
WOCN11 CWTO 181917  
SPECIAL WEATHER STATEMENT  
FOR SOUTHERN ONTARIO  
ISSUED BY ENVIRONMENT CANADA  
AT 2:17 P.M. EST THURSDAY 18 DECEMBER 2025.  
---------------------------------------------------------------------  
SPECIAL WEATHER STATEMENT FOR:  
=NEW= STIRLING - TWEED - SOUTH FRONTENAC  
=NEW= BROCKVILLE - LEEDS AND GRENVILLE.  
 
---------------------------------------------------------------------  
==DISCUSSION==  
 
GUSTY WINDS AND RAPIDLY FALLING TEMPERATURES FRIDAY.  
 
WHAT:  
RAPIDLY FALLING TEMPERATURES RESULTING IN SURFACES BECOMING ICY AND  
SLIPPERY.  
WESTERLY TO NORTHWESTERLY WINDS GUSTING 60 TO 80 KM/H.  
 
WHEN:  
LATE FRIDAY MORNING THROUGH FRIDAY NIGHT.  
 
ADDITIONAL INFORMATION:  
RAIN WILL CHANGE OVER TO FLURRIES FROM WEST TO EAST LATE FRIDAY  
MORNING AS TEMPERATURES RAPIDLY FALL BELOW THE FREEZING MARK. THIS  
WILL BE THE RESULT OF A STRONG COLD FRONT PASSING THROUGH THE AREA.  
 
SOUTHERLY WINDS WILL ABRUPTLY BECOME WESTERLY TO NORTHWESTERLY UPON  
THE PASSAGE OF THE COLD FRONT WITH GUSTS OF 60 TO 80 KM/H. WINDS ARE  
EXPECTED TO EASE THROUGH FRIDAY EVENING, EXCEPT AFTER MIDNIGHT FOR  
FAR EASTERN ONTARIO.  
 
FLURRIES AND SNOW SQUALLS OFF LAKE HURON AND GEORGIAN BAY ARE ALSO  
EXPECTED BEHIND THE FRONT.  
 
ROADS AND WALKWAYS MAY BECOME ICY AND SLIPPERY.  
 
TRAVEL MAY BECOME DIFFICULT AT TIMES.  
 
LOCAL UTILITY OUTAGES 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  
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