WUCN11 CWTO 161755

YELLOW WARNING - SEVERE THUNDERSTORM

FOR SOUTHERN ONTARIO

UPDATED BY ENVIRONMENT CANADA

AT 1:55 P.M. EDT TUESDAY 16 JUNE 2026.

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YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:

      STRATFORD - MITCHELL - SOUTHERN PERTH COUNTY

      KITCHENER - CAMBRIDGE - REGION OF WATERLOO.



YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - ENDED FOR:

      LISTOWEL - MILVERTON - NORTHERN PERTH COUNTY.



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IMPACT LEVEL: MODERATE

FORECAST CONFIDENCE: HIGH



==DISCUSSION==



UPDATED OR ENDED BY 3:54 P.M. EDT.



AT 1:55 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A 

SEVERE THUNDERSTORM CAPABLE OF PRODUCING STRONG WIND GUSTS AND 

LOONIE TO PING PONG BALL SIZE HAIL.



A SEVERE THUNDERSTORM WAS LOCATED 4 KILOMETRES SOUTHWEST OF GADS 

HILL, MOVING EAST AT 30 KM/H. 



HAZARDS: 

- 90 KM/H WIND GUSTS. 

- PING PONG BALL SIZE HAIL.



LOCAL UTILITY OUTAGES ARE LIKELY. 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 X USING (HASH)ONSTORM. 



FOR MORE INFORMATION: 

HTTPS://WWW.ONTARIO.CA/PAGE/BE-PREPARED-EMERGENCY.



HTTP://WEATHER.GC.CA



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