WWCN11 CWTO 140103

YELLOW WATCH - SEVERE THUNDERSTORM

FOR SOUTHERN ONTARIO

UPDATED BY ENVIRONMENT CANADA

AT 9:03 P.M. EDT SATURDAY 13 JUNE 2026.

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YELLOW LEVEL WATCH - SEVERE THUNDERSTORM - FOR:

      BRUCE PENINSULA - SAUBLE BEACH - TOBERMORY

      OWEN SOUND - BLUE MOUNTAINS - NORTHERN GREY COUNTY

      BARRIE - ORILLIA - MIDLAND

      KINGSTON - PRINCE EDWARD

      FENELON FALLS - BALSAM LAKE PARK - NORTHERN KAWARTHA LAKES

      APSLEY - WOODVIEW - NORTHERN PETERBOROUGH COUNTY

      TAMWORTH - SYDENHAM - SOUTH FRONTENAC

      BANCROFT - BON ECHO PARK

      BROCKVILLE - LEEDS AND GRENVILLE

      CITY OF OTTAWA

      GATINEAU

      PRESCOTT AND RUSSELL

      CORNWALL - MORRISBURG

      SMITHS FALLS - LANARK - SHARBOT LAKE

      PORT CARLING - PORT SEVERN

      BRACEBRIDGE - GRAVENHURST

      HUNTSVILLE - BAYSVILLE

      HALIBURTON.



YELLOW LEVEL WATCH - SEVERE THUNDERSTORM - ENDED FOR:

      NEWMARKET - GEORGINA - NORTHERN YORK REGION

      PICKERING - OSHAWA - SOUTHERN DURHAM REGION

      UXBRIDGE - BEAVERTON - NORTHERN DURHAM REGION

      SHELBURNE - MANSFIELD - NORTHERN DUFFERIN COUNTY

      INNISFIL - NEW TECUMSETH - ANGUS

      SAUGEEN SHORES - KINCARDINE - SOUTHERN BRUCE COUNTY

      HANOVER - DUNDALK - SOUTHERN GREY COUNTY

      BELLEVILLE - QUINTE - NORTHUMBERLAND

      LINDSAY - SOUTHERN KAWARTHA LAKES

      PETERBOROUGH CITY - LAKEFIELD - SOUTHERN PETERBOROUGH COUNTY

      STIRLING - TWEED - MADOC

      TOWN OF PARRY SOUND - ROSSEAU - KILLBEAR PARK

      RENFREW - PEMBROKE - BARRY'S BAY

      ALGONQUIN

      BURK'S FALLS - BAYFIELD INLET.



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IMPACT LEVEL: MODERATE

FORECAST CONFIDENCE: HIGH



==DISCUSSION==



CONDITIONS ARE FAVOURABLE FOR THE DEVELOPMENT OF SEVERE 

THUNDERSTORMS THAT MAY BE CAPABLE OF PRODUCING STRONG WIND GUSTS AND 

LARGE HAIL.



WHAT: 

WIND GUSTS UP TO 90 KM/H. 

HAIL UP TO TOONIE-SIZED. 



WHEN: 

ENDING LATER THIS EVENING.



LOCAL UTILITY OUTAGES ARE POSSIBLE. DAMAGE TO ROOFS, FENCES, 

BRANCHES OR SOFT SHELTERS IS POSSIBLE. THERE IS A RISK OF INJURY. 

WHEN THUNDER ROARS, GO INDOORS(EXCLAMATION MARK) LIGHTNING KILLS AND 

INJURES CANADIANS EVERY YEAR. SECURE LOOSE OBJECTS. SEVERE 

THUNDERSTORM WATCHES ARE ISSUED WHEN CONDITIONS ARE FAVOURABLE FOR 

THE DEVELOPMENT OF THUNDERSTORMS CAPABLE OF PRODUCING 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. TO 

REPORT SEVERE WEATHER IN GATINEAU, SEND AN EMAIL TO 

ONSTORM(AT)EC.GC.CA OR POST REPORTS ON X USING (HASH)QCSTORM. 



FOR MORE INFORMATION: 

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



HTTP://WEATHER.GC.CA



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