931  
WUCN11 CWTO 022240  
YELLOW WARNING - SEVERE THUNDERSTORM  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 6:40 P.M. EDT THURSDAY 2 JULY 2026.  
---------------------------------------------------------------------  
YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:  
BURLINGTON - OAKVILLE.  
 
YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - ENDED FOR:  
HALTON HILLS - MILTON  
GUELPH - ERIN - SOUTHERN WELLINGTON COUNTY.  
 
---------------------------------------------------------------------  
IMPACT LEVEL: MODERATE  
FORECAST CONFIDENCE: HIGH  
 
==DISCUSSION==  
 
UPDATED OR ENDED BY 8:38 P.M. EDT.  
 
AT 6:39 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: SOUTH OF CEDAR SPRINGS  
 
MOTION: MOVING EAST AT 40 KM/H  
 
HAZARDS:  
WIND: DAMAGING (90 KM/H)  
RAIN: HEAVY (15 - 50 MM)  
 
LOCATIONS IN THE PATH:  
CLARKSDALE, ROSELAND, BRONTE.  
 
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. SEVERE THUNDERSTORMS CAN  
PRODUCE TORNADOES. 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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