388
WWCN11 CWTO 230201
YELLOW WARNING - RAINFALL
FOR SOUTHERN ONTARIO
ISSUED BY ENVIRONMENT CANADA
AT 10:01 P.M. EDT SATURDAY 22 AUGUST 2026.
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YELLOW LEVEL WARNING - RAINFALL - FOR:
=NEW= NIAGARA.
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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH
==DISCUSSION==
LOCALLY HEAVY RAINFALL IS EXPECTED.
HAZARD:
LOCALLY HEAVY RAINFALL IN EXCESS OF 50 MM.
WHEN:
EARLY TONIGHT.
DISCUSSION:
ADDITIONAL SHOWERS AND THUNDERSTORMS WILL MOVE ACROSS THE AREA EARLY
TONIGHT. RAINFALL FROM THESE STORMS WILL COMBINE WITH EARLIER
RAINFALL TO BRING RAINFALL TOTALS ABOVE 50 MM.
WATER WILL LIKELY POOL ON ROADS AND IN LOW-LYING AREAS. DON'T DRIVE
THROUGH FLOODED ROADWAYS. ALLOW EXTRA TIME FOR TRAVEL.
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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