WWCN11 CWTO 290226
YELLOW WARNING - RAINFALL
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 10:26 P.M. EDT TUESDAY 28 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 BEGINNING LATE WEDNESDAY. THE GROUND, ALREADY 
NEAR SATURATION, HAS LITTLE ABILITY TO ABSORB FURTHER RAINFALL. 

WHAT: 
RAINFALL AMOUNTS OF 30 TO 50 MM. 

WHEN: 
LATE WEDNESDAY AFTERNOON INTO THURSDAY MORNING. 

ADDITIONAL INFORMATION: 
A LOW PRESSURE SYSTEM WILL BRING HEAVY, WIDESPREAD RAIN BEGINNING 
LATE WEDNESDAY.

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