599
WWCN11 CWTO 280445
YELLOW WARNING - RAINFALL
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 12:45 A.M. EDT TUESDAY 28 JULY 2026.
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YELLOW LEVEL WARNING - RAINFALL - FOR:
=NEW= UXBRIDGE - BEAVERTON - NORTHERN DURHAM REGION
NEWMARKET - GEORGINA - NORTHERN YORK REGION
INNISFIL - NEW TECUMSETH - ANGUS
BARRIE - COLLINGWOOD - HILLSDALE
ORILLIA - LAGOON CITY - WASHAGO.
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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH
==DISCUSSION==
HEAVY RAIN IS EXPECTED.
WHAT:
HEAVY RAINFALL WITH AMOUNTS OF 50 TO 100 MM
WHEN:
ENDING BEFORE DAWN THIS MORNING.
ADDITIONAL INFORMATION:
THUNDERSTORMS WILL CONTINUE TO MOVE THROUGH THE AREA BRINGING HEAVY
RAINFALL.
WATER WILL LIKELY POOL ON ROADS AND IN LOW-LYING AREAS. DON'T DRIVE
THROUGH FLOODED ROADWAYS.
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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