WWCN11 CWTO 242104 YELLOW WATCH - SNOW SQUALL FOR SOUTHERN ONTARIO UPDATED BY ENVIRONMENT CANADA AT 4:04 P.M. EST TUESDAY 24 FEBRUARY 2026. --------------------------------------------------------------------- YELLOW LEVEL WATCH - SNOW SQUALL - FOR: HURON - PERTH MOUNT FOREST - ARTHUR - NORTHERN WELLINGTON COUNTY ORANGEVILLE - GRAND VALLEY - SOUTHERN DUFFERIN COUNTY SHELBURNE - MANSFIELD - NORTHERN DUFFERIN COUNTY GREY - BRUCE. --------------------------------------------------------------------- IMPACT LEVEL: MODERATE FORECAST CONFIDENCE: HIGH ==DISCUSSION== SNOW SQUALLS ARE EXPECTED TO DEVELOP WEDNESDAY. WHAT: REDUCED VISIBILITY IN AREAS OF HEAVY SNOW AND BLOWING SNOW. SNOWFALL AMOUNTS OF 5 TO 15 CM, LOCALLY HIGHER POSSIBLE. WHEN: BEGINNING WEDNESDAY MORNING AND CONTINUING INTO WEDNESDAY NIGHT. ADDITIONAL INFORMATION: SNOW SQUALLS ARE EXPECTED TO DEVELOP OFF LAKE HURON DUE TO STRONG WESTERLY WINDS GUSTING UP TO 60 KM/H. VISIBILITY IS EXPECTED TO BE NEAR ZERO AT TIMES DUE TO SNOW AND BLOWING SNOW. WINDS WILL WEAKEN WEDNESDAY NIGHT AS A RIDGE OF HIGH PRESSURE MOVES INTO THE AREA BRINGING AN END TO THE SNOW SQUALLS. SNOWFALL AMOUNTS ARE EXPECTED TO BE HIGHLY VARIABLE ACROSS THE AREA AS SNOW SQUALL BANDS ARE EXPECTED TO SHIFT CONSIDERABLY. TRAVEL MAY BE HAZARDOUS. ROAD CLOSURES ARE POSSIBLE. CONSIDER RESCHEDULING TRAVEL AND OUTDOOR ACTIVITIES. 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. HTTP://WEATHER.GC.CA END/OSPC