WWCN12 CWTO 121014

YELLOW WATCH - SNOW SQUALL

FOR NORTHERN ONTARIO

UPDATED BY ENVIRONMENT CANADA

AT 5:14 A.M. EST FRIDAY 12 DECEMBER 2025.

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YELLOW LEVEL WATCH - SNOW SQUALL - FOR:

      SAULT STE. MARIE - SUPERIOR EAST.



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IMPACT LEVEL: MODERATE

FORECAST CONFIDENCE: HIGH



==DISCUSSION==



LAKE EFFECT SNOW LIKELY TONIGHT INTO SATURDAY. 



WHAT: 

LOCAL SNOWFALL TOTALS OF 15 TO 30 CM. 

POOR VISIBILITY IN AREAS OF HEAVY SNOW AND BLOWING SNOW. 



WHEN: 

BEGINNING THIS EVENING AND CONTINUING INTO SATURDAY. THE WORST 

CONDITIONS ARE EXPECTED SATURDAY. 



ADDITIONAL INFORMATION: 

A WEATHER SYSTEM WILL BRING SNOW TO THE AREA BEGINNING THIS EVENING. 

EMBEDDED LAKE EFFECT SNOW OFF LAKE SUPERIOR AND LAKE MICHIGAN IS 

EXPECTED IN THE SOUTHWEST WINDS AHEAD OF THIS SYSTEM TONIGHT. 



AS THE WEATHER SYSTEM PASSES TO THE EAST LATE TONIGHT INTO SATURDAY 

MORNING, WINDS WILL SHIFT TO THE NORTHWEST WITH GUSTS UP TO 60 KM/H. 

THE LAKE EFFECT SNOW WILL LIKELY INTENSIFY WITH SIGNIFICANT 

ACCUMULATIONS AND BLOWING SNOW EXPECTED SATURDAY. 



CONDITIONS SHOULD IMPROVE BY SATURDAY NIGHT.



TRAVEL MAY BE HAZARDOUS. VISIBILITY MAY BE SUDDENLY REDUCED TO NEAR 

ZERO AT TIMES. PREPARE FOR THE POSSIBILITY OF QUICKLY CHANGING AND 

DETERIORATING TRAVEL CONDITIONS. 



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