061  
WUCN11 CWTO 022033  
YELLOW WARNING - SEVERE THUNDERSTORM  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 4:33 P.M. EDT THURSDAY 2 JULY 2026.  
---------------------------------------------------------------------  
YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:  
=NEW= BURLINGTON - OAKVILLE  
=NEW= HALTON HILLS - MILTON  
CITY OF HAMILTON  
GUELPH - ERIN - SOUTHERN WELLINGTON COUNTY.  
 
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IMPACT LEVEL: MODERATE  
FORECAST CONFIDENCE: HIGH  
 
==DISCUSSION==  
 
UPDATED OR ENDED BY 6:32 P.M. EDT.  
 
AT 4:33 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A  
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WIND GUSTS AND  
HEAVY RAIN.  
 
THUNDERSTORM LOCATION: OVER WESTOVER  
 
MOTION: MOVING EAST AT 40 KM/H  
 
HAZARDS:  
WIND: DAMAGING (90 - 110 KM/H)  
RAIN: HEAVY (15 - 50 MM)  
 
LOCATIONS IN THE PATH:  
DUNDAS  
WATERDOWN  
HAMILTON  
BURLINGTON  
OAKVILLE  
 
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  
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