WUCN11 CWTO 091844 YELLOW WARNING - SEVERE THUNDERSTORM FOR SOUTHERN ONTARIO UPDATED BY ENVIRONMENT CANADA AT 2:44 P.M. EDT THURSDAY 9 JULY 2026. --------------------------------------------------------------------- YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR: CITY OF TORONTO BURLINGTON - OAKVILLE HALTON HILLS - MILTON MISSISSAUGA - BRAMPTON. YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - ENDED FOR: GUELPH - ERIN - SOUTHERN WELLINGTON COUNTY. --------------------------------------------------------------------- IMPACT LEVEL: MODERATE FORECAST CONFIDENCE: HIGH ==DISCUSSION== UPDATED OR ENDED BY 4:43 P.M. EDT. AT 2:44 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING AN AREA OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING STRONG WIND GUSTS AND HEAVY RAIN. THUNDERSTORM LOCATION: HALTON HILLS TO KILBRIDE MOTION: MOVING EAST AT 55 KM/H HAZARDS: WIND: DAMAGING (90 - 110 KM/H) TORRENTIAL DOWNPOURS LOCATIONS IN THE PATH: MILTON BURLINGTON MISSISSAUGA OAKVILLE TORONTO DAMAGE TO ROOFS, FENCES, SOFT SHELTERS OR TREES IS LIKELY. HEAVY RAIN MAY CAUSE FLASH FLOODING AND SIGNIFICANT REDUCTIONS TO VISIBILITY. EMERGENCY MANAGEMENT ONTARIO RECOMMENDS THAT YOU TAKE COVER IMMEDIATELY IF THREATENING WEATHER APPROACHES. 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. FOR MORE INFORMATION: HTTPS://WWW.ONTARIO.CA/PAGE/BE-PREPARED-EMERGENCY. HTTP://WEATHER.GC.CA END/OSPC