****0000001890**** WWCN12 CWTO 300929 WINTER STORM WARNING FOR NORTHERN ONTARIO UPDATED BY ENVIRONMENT CANADA AT 5:29 A.M. EDT SUNDAY 30 MARCH 2025. --------------------------------------------------------------------- WINTER STORM WARNING FOR: SEARCHMONT - MONTREAL RIVER HARBOUR - BATCHAWANA BAY TEMISKAMING SHORES - TEMAGAMI ELLIOT LAKE - RANGER LAKE. --------------------------------------------------------------------- ==DISCUSSION== WINTER STORM TODAY INTO MONDAY MORNING. ICE STORM LIKELY FOR SOME. WHAT: FREEZING RAIN WITH SIGNIFICANT ICE ACCRETION OF 5 TO 15 MM. UTILITY OUTAGES POSSIBLE. SLIPPERY SURFACES AND BROKEN TREE BRANCHES FROM ICE BUILD-UP. SNOWFALL AND ICE PELLET AMOUNTS UP TO 15 CM NORTH OF A LINE FROM RANGER LAKE TO COBALT. WHEN: FROM THIS MORNING THROUGH MONDAY MORNING. ADDITIONAL INFORMATION: SEVERAL HOURS OF SNOW OR ICE PELLETS ARE EXPECTED TODAY BEFORE PRECIPITATION CHANGES TO FREEZING RAIN. FREEZING RAIN IS EXPECTED TO BE MOST SIGNIFICANT FOR LOCATIONS SOUTH OF A LINE FROM RANGER LAKE TO COBALT WHERE ICE STORM CONDITIONS ARE POSSIBLE. PRECIPITATION WILL TRANSITION TO ICE PELLETS AND THEN SNOW FROM WEST TO EAST LATE TONIGHT INTO MONDAY MORNING. CONDITIONS WILL IMPROVE MONDAY MORNING AS THE WEATHER SYSTEM EXITS THE PROVINCE. CONSIDER POSTPONING NON-ESSENTIAL TRAVEL UNTIL CONDITIONS IMPROVE. PREPARE FOR QUICKLY CHANGING AND DETERIORATING TRAVEL CONDITIONS. SURFACES SUCH AS HIGHWAYS, ROADS, WALKWAYS AND PARKING LOTS WILL BECOME ICY, SLIPPERY AND HAZARDOUS. ICE BUILD-UP MAY CAUSE TREE BRANCHES TO BREAK. 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