480
WWCN11 CWTO 290905
YELLOW WARNING - RAINFALL
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 5:05 A.M. EDT WEDNESDAY 29 APRIL 2026.
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YELLOW LEVEL WARNING - RAINFALL - FOR:
KINGSTON - PRINCE EDWARD
TAMWORTH - SYDENHAM - SOUTH FRONTENAC
BROCKVILLE - LEEDS AND GRENVILLE
CITY OF OTTAWA
PRESCOTT AND RUSSELL
CORNWALL - MORRISBURG
SMITHS FALLS - LANARK - SHARBOT LAKE.
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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH
==DISCUSSION==
HEAVY RAIN IS EXPECTED. THE GROUND, ALREADY NEAR SATURATION, HAS
LITTLE ABILITY TO ABSORB FURTHER RAINFALL.
WHAT:
RAINFALL AMOUNTS OF 30 TO 50 MM.
WHEN:
LATE THIS AFTERNOON INTO THURSDAY MORNING.
ADDITIONAL INFORMATION:
A LOW PRESSURE SYSTEM WILL BRING HEAVY, WIDESPREAD RAIN BEGINNING
LATE THIS AFTERNOON.
WATER WILL LIKELY POOL ON ROADS AND IN LOW-LYING AREAS. DON'T DRIVE
THROUGH FLOODED ROADWAYS. 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 X USING (HASH)ONSTORM.
HTTP://WEATHER.GC.CA
END/OSPC
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