WUCN11 CWTO 182143
YELLOW WARNING - SEVERE THUNDERSTORM
FOR SOUTHERN ONTARIO
ISSUED BY ENVIRONMENT CANADA
AT 5:43 P.M. EDT MONDAY 18 MAY 2026.
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YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:
=NEW= GODERICH - BLUEWATER - SOUTHERN HURON COUNTY
=NEW= WINGHAM - BLYTH - NORTHERN HURON COUNTY
=NEW= SAUGEEN SHORES - KINCARDINE - SOUTHERN BRUCE COUNTY.

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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH

==DISCUSSION==

UPDATED OR ENDED BY 7:41 P.M. EDT.

AT 5:42 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A 
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WIND 
GUSTS.

THUNDERSTORM LOCATION: 75 KM WEST OF POINT CLARK TO 80 KM WEST OF 
GRAND BEND 

MOTION: MOVING QUICKLY TO THE EAST AT 70 KM/H 

HAZARDS: 
WIND: DAMAGING (90 - 110 KM/H) 

LOCATIONS IN THE PATH: 
POINT CLARK 
GODERICH 
BAYFIELD 
GRAND BEND 
ZURICH

LOCAL UTILITY OUTAGES ARE LIKELY. DAMAGE TO ROOFS, FENCES, SOFT 
SHELTERS OR TREES IS LIKELY. 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