997
WWCN11 CWTO 050156
YELLOW WARNING - RAINFALL
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 9:56 P.M. EDT SATURDAY 4 APRIL 2026.
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YELLOW LEVEL WARNING - RAINFALL - FOR:
CITY OF TORONTO
ELGIN
LONDON - MIDDLESEX
SIMCOE - DELHI - NORFOLK
DUNNVILLE - CALEDONIA - HALDIMAND
OXFORD - BRANT
NIAGARA
CITY OF HAMILTON
HALTON - PEEL
YORK - DURHAM
STRATFORD - MITCHELL - SOUTHERN PERTH COUNTY
LISTOWEL - MILVERTON - NORTHERN PERTH COUNTY
WATERLOO - WELLINGTON
DUFFERIN - INNISFIL
HANOVER - DUNDALK - SOUTHERN GREY COUNTY
OWEN SOUND - BLUE MOUNTAINS - NORTHERN GREY COUNTY
BARRIE - ORILLIA - MIDLAND
COBOURG - COLBORNE - WESTERN NORTHUMBERLAND COUNTY
PETERBOROUGH - KAWARTHA LAKES
PORT CARLING - PORT SEVERN
BRACEBRIDGE - GRAVENHURST
HALIBURTON - MINDEN - SOUTHERN HALIBURTON COUNTY.
YELLOW LEVEL WARNING - RAINFALL - ENDED FOR:
GODERICH - BLUEWATER - SOUTHERN HURON COUNTY
WINGHAM - BLYTH - NORTHERN HURON COUNTY
SAUGEEN SHORES - KINCARDINE - SOUTHERN BRUCE COUNTY.
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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH
==DISCUSSION==
HEAVY RAIN ENDING TONIGHT.
WHAT:
RAINFALL AMOUNTS OF 20 TO 40 MM.
THE GROUND MAY HAVE LITTLE ABILITY TO ABSORB FURTHER MOISTURE DUE TO
RECENT RAINFALL EVENTS.
WHEN:
ENDING OVERNIGHT.
ADDITIONAL INFORMATION:
A LINE OF HEAVY SHOWERS AND POSSIBLE THUNDERSTORMS IS EXPECTED TO
TRACK THROUGH THE AREA. THE HEAVIEST RAIN WILL OCCUR IN AREAS THAT
RECEIVE THUNDERSTORMS.
FOR INFORMATION CONCERNING FLOODING, PLEASE CONSULT YOUR LOCAL
CONSERVATION AUTHORITY OR ONTARIO MINISTRY OF NATURAL RESOURCES
OFFICE. VISIT ONTARIO.CA/FLOODS FOR THE LATEST DETAILS.
WATER WILL LIKELY POOL ON ROADS AND IN LOW-LYING AREAS. VISIBILITY
WILL LIKELY BE SUDDENLY REDUCED AT TIMES. AVOID LOW-LYING AREAS.
WATCH FOR WASHOUTS NEAR RIVERS, CREEKS AND CULVERTS.
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.
HTTP://WEATHER.GC.CA
END/OSPC
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