755
WOCN11 CWTO 221904
SPECIAL WEATHER STATEMENT
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 3:04 P.M. EDT SATURDAY 22 AUGUST 2026.
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SPECIAL WEATHER STATEMENT FOR:
CITY OF TORONTO
WINDSOR - ESSEX - CHATHAM-KENT
SARNIA - LAMBTON
ELGIN
LONDON - MIDDLESEX
SIMCOE - DELHI - NORFOLK
DUNNVILLE - CALEDONIA - HALDIMAND
OXFORD - BRANT
NIAGARA
CITY OF HAMILTON
HALTON - PEEL
YORK - DURHAM
HURON - PERTH
WATERLOO - WELLINGTON
DUFFERIN - INNISFIL
GREY - BRUCE
BARRIE - ORILLIA - MIDLAND
PETERBOROUGH - KAWARTHA LAKES
PARRY SOUND - MUSKOKA
HALIBURTON
WESTERN ALGONQUIN PARK - LAKE OF TWO RIVERS
BURK'S FALLS - BAYFIELD INLET.
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==DISCUSSION==
LOCALLY SIGNIFICANT RAINFALL POSSIBLE THIS WEEKEND.
WHAT:
LOCAL RAINFALL AMOUNTS EXCEEDING 50 MM.
RAINFALL RATES UP TO 40 MM IN AN HOUR.
WHEN:
TODAY THROUGH SUNDAY MORNING.
ADDITIONAL INFORMATION:
SHOWERS AND THUNDERSTORMS OVER PARTS OF NORTHEASTERN AND
SOUTHWESTERN ONTARIO WILL CONTINUE TO DEVELOP AND MOVE TO THE EAST
THROUGH THE DAY. GIVEN THE POTENTIAL FOR SLOW-MOVING SHOWERS AND
THUNDERSTORMS AND FOR SOME AREAS TO RECEIVE MULTIPLE ROUNDS OF
PRECIPITATION, LOCAL AMOUNTS EXCEEDING 50 MM ARE POSSIBLE.
NOTE THAT RAINFALL AMOUNTS WILL BE HIGHLY VARIABLE ACROSS THE REGION
AND NOT ALL AREAS WILL RECEIVE THIS MUCH RAIN. THERE REMAINS
CONSIDERABLE UNCERTAINTY AS TO EXACTLY WHICH AREAS WILL RECEIVE THE
HIGHEST RAINFALL AMOUNTS.
ADDITIONAL SHOWERS ARE EXPECTED THROUGH SUNDAY, ESPECIALLY TO THE
EAST OF LAKE HURON AND GEORGIAN BAY AND OVER NORTHEASTERN ONTARIO.
WATER MAY POOL ON ROADS AND IN LOW-LYING AREAS.
DON'T DRIVE THROUGH FLOODED ROADWAYS.
AVOID LOW-LYING AREAS. WATCH FOR WASHOUTS NEAR RIVERS, CREEKS AND
CULVERTS.
FOR INFORMATION CONCERNING FLOODING, PLEASE CONSULT YOUR LOCAL
CONSERVATION AUTHORITY OR ONTARIO MINISTRY OF NATURAL RESOURCES
OFFICE. VISIT HTTPS://WWW.ONTARIO.CA/PAGE/FLOODS FOR THE LATEST
DETAILS.
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 SOCIAL MEDIA USING
(HASH)ONSTORM.
HTTP://WEATHER.GC.CA
END/OSPC
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