WUCN11 CWTO 040030

YELLOW WARNING - SEVERE THUNDERSTORM

FOR SOUTHERN ONTARIO

UPDATED BY ENVIRONMENT CANADA

AT 8:30 P.M. EDT FRIDAY 3 JULY 2026.

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YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:

      WATFORD - PINERY PARK - EASTERN LAMBTON COUNTY

      RODNEY - SHEDDEN - WESTERN ELGIN COUNTY

      STRATHROY - KOMOKA - WESTERN MIDDLESEX COUNTY.



YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - ENDED FOR:

      CHATHAM-KENT - RONDEAU PARK

      SARNIA - PETROLIA - WESTERN LAMBTON COUNTY.



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IMPACT LEVEL: MODERATE

FORECAST CONFIDENCE: HIGH



==DISCUSSION==



UPDATED OR ENDED BY 10:29 P.M. EDT.



AT 8:30 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A 

SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WIND GUSTS.



THUNDERSTORM LOCATION: 

HIGHGATE 

SARNIA HARBOUR 



MOTION: MOVING QUICKLY TO THE EAST AT 75 KM/H 



HAZARDS: 

WIND: DAMAGING (90 - 110 KM/H) 



LOCATIONS IN THE PATH: 

RIDGETOWN 

CORUNNA 

THAMESVILLE 

SARNIA 

BOTHWELL 

BRIGHTS GROVE 

WYOMING 

WEST LORNE 

WATFORD 

DUTTON



LOCAL UTILITY OUTAGES ARE LIKELY. DAMAGE TO ROOFS, FENCES, SOFT 

SHELTERS OR TREES IS LIKELY. THERE IS A RISK OF INJURY. TAKE 

IMMEDIATE COVER IF A THUNDERSTORM APPROACHES. IF OUTSIDE, PROTECT 

YOURSELF FROM FLYING DEBRIS. SEVERE THUNDERSTORM WARNINGS ARE ISSUED 

WHEN IMMINENT OR OCCURRING THUNDERSTORMS ARE EXPECTED TO PRODUCE 

DAMAGING HAIL, WIND OR RAIN. 



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