827  
WWCN12 CWTO 172120  
ORANGE WARNING - WINTER STORM  
FOR NORTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 4:20 P.M. EST WEDNESDAY 17 DECEMBER 2025.  
---------------------------------------------------------------------  
ORANGE LEVEL WARNING - WINTER STORM - FOR:  
KAPUSKASING - HEARST  
LITTLE ABITIBI - KESAGAMI LAKE.  
 
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IMPACT LEVEL: HIGH  
FORECAST CONFIDENCE: HIGH  
 
==DISCUSSION==  
 
HAZARDOUS WINTER STORM EXPECTED TONIGHT THROUGH FRIDAY AFTERNOON.  
 
WHAT:  
TOTAL SNOWFALL AMOUNTS OF 30 TO 50 CM.  
REDUCED VISIBILITY IN HEAVY SNOW AND BLOWING SNOW.  
 
WHEN:  
TONIGHT THROUGH FRIDAY AFTERNOON.  
 
ADDITIONAL INFORMATION:  
SNOW, AT TIMES HEAVY, WILL AFFECT THE AREA BEGINNING TONIGHT.  
NORTHERLY WINDS GUSTING 50 TO 60 KM/H, EXCEPT UP TO 70 KM/H SOUTH OF  
JAMES BAY WILL RESULT IN BLOWING SNOW LATE THURSDAY INTO FRIDAY.  
STRONG NORTHERLY WINDS COMBINED WITH HEAVY SNOW MAY LEAD TO NEAR  
ZERO VISIBILITY AT TIMES.  
 
THE HIGHEST SNOWFALL AMOUNTS ARE EXPECTED TO REMAIN NORTH OF HIGHWAY  
11 WHERE TOTAL ACCUMULATIONS MAY EXCEED 50 CM LOCALLY.  
 
CONDITIONS WILL IMPROVE FROM WEST TO EAST THROUGH FRIDAY AFTERNOON.  
 
ROADS AND WALKWAYS WILL LIKELY BE VERY DIFFICULT TO NAVIGATE.  
VISIBILITY WILL LIKELY BE SUDDENLY REDUCED TO NEAR ZERO AT TIMES.  
ROAD CLOSURES ARE POSSIBLE. AVOID NON-ESSENTIAL TRAVEL AND OUTDOOR  
ACTIVITIES. PREPARE FOR DISRUPTIONS TO TRANSPORTATION, SERVICES AND  
UTILITIES.  
 
PLEASE CONTINUE TO MONITOR ALERTS AND FORECASTS ISSUED BY  
ENVIRONMENT CANADA. TO REPORT SEVERE WEATHER, 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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