368  
WUCN11 CWTO 272000  
YELLOW WARNING - SEVERE THUNDERSTORM  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 4:00 P.M. EDT MONDAY 27 JULY 2026.  
---------------------------------------------------------------------  
YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:  
=NEW= RODNEY - SHEDDEN - WESTERN ELGIN COUNTY  
WATFORD - PINERY PARK - EASTERN LAMBTON COUNTY  
STRATHROY - KOMOKA - WESTERN MIDDLESEX COUNTY.  
 
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IMPACT LEVEL: MODERATE  
FORECAST CONFIDENCE: HIGH  
 
==DISCUSSION==  
 
UPDATED OR ENDED BY 5:59 P.M. EDT.  
 
AT 4:00 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A  
SEVERE THUNDERSTORM CAPABLE OF PRODUCING STRONG WIND GUSTS, UP TO  
QUARTER SIZE HAIL AND HEAVY RAIN.  
 
THUNDERSTORM LOCATION: OVER WATFORD  
 
MOTION: MOVING SOUTHEAST AT 55 KM/H  
 
HAZARDS:  
WIND: STRONG (UP TO 90 KM/H)  
HAIL: UP TO QUARTER SIZE (UP TO 2.5 CM)  
 
LOCATIONS IN THE PATH:  
KERWOOD  
GLENCOE  
MELBOURNE  
RODNEY  
WEST LORNE  
DUTTON  
SHEDDEN  
FINGAL  
JOHN E. PEARCE PROVINCIAL PARK  
PORT STANLEY  
 
LOCAL UTILITY OUTAGES ARE LIKELY. HEAVY RAIN MAY CAUSE FLASH  
FLOODING AND SIGNIFICANT REDUCTIONS TO VISIBILITY. LARGE HAIL MAY  
CAUSE SIGNIFICANT DAMAGE AND INJURY. TAKE IMMEDIATE COVER IF A  
THUNDERSTORM APPROACHES. IF OUTSIDE, PROTECT YOURSELF FROM FLYING  
DEBRIS AND HAIL. WHEN THUNDER ROARS, GO INDOORS(EXCLAMATION MARK)  
LIGHTNING KILLS AND INJURES CANADIANS EVERY YEAR.  
 
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 SOCIAL MEDIA USING  
(HASH)ONSTORM.  
 
FOR MORE INFORMATION:  
HTTPS://WWW.ONTARIO.CA/PAGE/BE-PREPARED-EMERGENCY.  
 
HTTP://WEATHER.GC.CA  
 
END/OSPC  
 
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