WWCN11 CWTO 071709
YELLOW WARNING - RAINFALL
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 12:09 P.M. EST SATURDAY 7 MARCH 2026.
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YELLOW LEVEL WARNING - RAINFALL - FOR:
      GATINEAU.

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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH

==DISCUSSION==

RAINFALL, COMBINED WITH MELTING SNOW, IS EXPECTED. THE FROZEN GROUND 
HAS A REDUCED ABILITY TO ABSORB THIS RAINFALL.

WHAT: 
ADDITIONAL RAINFALL AMOUNTS OF 20 TO 30 MM WITH LOCALLY HIGHER 
AMOUNTS POSSIBLE DUE TO THUNDERSTORMS. 
SUBSTANTIAL SNOW MELT CONTRIBUTING TO PONDING ON ROADS AND LOW LYING 
AREAS. 

WHEN: 
CONTINUING THROUGH THIS EVENING. 

ADDITIONAL INFORMATION: 
ANOTHER ROUND OF SHOWERS AND ISOLATED THUNDERSTORMS IS EXPECTED THIS 
AFTERNOON. THE RAIN COMBINED WITH MILD TEMPERATURES WILL LIKELY MELT 
MUCH OF THE SIGNIFICANT SNOWPACK AND LEAD TO ADDITIONAL RUNOFF. 

THE RAIN WILL TAPER TO LIGHT SHOWERS THIS EVENING.

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