WWCN11 CWTO 041639
YELLOW WARNING - RAINFALL
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 12:39 P.M. EDT SATURDAY 4 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 EXPECTED TONIGHT. 

WHAT: 
RAINFALL AMOUNTS OF 20 TO 40 MM. 
THE GROUND MAY HAVE LITTLE ABILITY TO ABSORB FURTHER MOISTURE DUE TO 
RECENT RAINFALL EVENTS. 

WHEN: 
LATE THIS AFTERNOON INTO EARLY SUNDAY MORNING. 

ADDITIONAL INFORMATION: 
A COLORADO LOW WILL BRING RAIN TO THE AREA, BEGINNING WITH PERIODS 
OF RAIN THIS AFTERNOON. THE HEAVIEST RAIN IS EXPECTED TO FALL 
TONIGHT, WITH LOCALLY HIGHER AMOUNTS POSSIBLE IN THUNDERSTORMS.

WATER WILL LIKELY POOL ON ROADS AND IN LOW-LYING AREAS. VISIBILITY 
WILL LIKELY BE SUDDENLY REDUCED AT TIMES. AVOID LOW-LYING AREAS. 
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