WWCN11 CWTO 300217
YELLOW WARNING - RAINFALL
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 10:17 P.M. EDT WEDNESDAY 29 APRIL 2026.
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YELLOW LEVEL WARNING - RAINFALL - FOR:
      GATINEAU.

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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH

==DISCUSSION==

HEAVY RAIN IS EXPECTED TONIGHT. THE GROUND, WHICH IS ALREADY NEARLY 
SATURATED, WILL HAVE A REDUCED ABILITY TO ABSORB MORE RAIN. 

WHAT: 
RAINFALL TOTALS OF 20 TO 40 MM AND LOCALLY UP TO 50 MM. 

WHEN: 
TONIGHT. 

ADDITIONAL INFORMATION: 
A LOW PRESSURE SYSTEM WILL BRING WIDESPREAD RAIN TONIGHT.

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. 

PLEASE CONTINUE TO MONITOR ALERTS AND FORECASTS ISSUED BY 
ENVIRONMENT CANADA. 

TO REPORT SEVERE WEATHER IN GATINEAU, SEND AN EMAIL TO 
ONSTORM(AT)EC.GC.CA OR POST REPORTS ON X USING (HASH)QCSTORM.

HTTP://WEATHER.GC.CA

END/OSPC