844  
WWCN12 CWTO 120058  
YELLOW WARNING - WINTER STORM  
FOR NORTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 8:58 P.M. EDT WEDNESDAY 11 MARCH 2026.  
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YELLOW LEVEL WARNING - WINTER STORM - FOR:  
GREATER SUDBURY AND VICINITY  
KIRKLAND LAKE - TEMISKAMING SHORES - TEMAGAMI  
MANITOULIN ISLAND  
ESPANOLA - KILLARNEY  
NORTH BAY - WEST NIPISSING.  
 
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IMPACT LEVEL: MODERATE  
FORECAST CONFIDENCE: HIGH  
 
==DISCUSSION==  
 
FREEZING RAIN AND ICE PELLETS TRANSITIONING TO SNOW THIS EVENING.  
 
WHAT:  
TOTAL SNOW AND ICE PELLET AMOUNTS OF 10 TO 15 CM.  
TOTAL ICE ACCRETION OR BUILD-UP OF UP TO 4 MM.  
LOCAL BLOWING SNOW.  
 
WHEN:  
CONTINUING INTO TONIGHT.  
 
ADDITIONAL INFORMATION:  
ANY FREEZING RAIN OR ICE PELLETS WILL CHANGE TO ALL SNOW WITH LOCAL  
BLOWING SNOW THIS EVENING. SNOW WILL DIMINISH IN INTENSITY FROM WEST  
TO EAST AS THE NIGHT PROGRESSES.  
 
TRAVEL WILL LIKELY BE CHALLENGING. ALLOW EXTRA TIME FOR TRAVEL. IF  
DRIVING, TURN ON YOUR LIGHTS, SLOW DOWN AND MAINTAIN A SAFE  
FOLLOWING DISTANCE.  
 
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.  
 
HTTP://WEATHER.GC.CA  
 
END/OSPC  
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