WWCN12 CWTO 272004
RAINFALL WARNING
FOR NORTHERN ONTARIO
ISSUED BY ENVIRONMENT CANADA
AT 4:04 P.M. EDT SUNDAY 27 APRIL 2025.
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RAINFALL WARNING FOR:
=NEW= SIOUX NARROWS - NESTOR FALLS - MORSON
=NEW= DRYDEN - IGNACE
=NEW= FORT FRANCES - RAINY LAKE
=NEW= ATIKOKAN - UPSALA - QUETICO
=NEW= KAKABEKA FALLS - WHITEFISH LAKE - ARROW LAKE.

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==DISCUSSION==

HEAVY RAIN EXPECTED MONDAY. 

WHAT: 
RAINFALL AMOUNTS OF 30 TO 50 MM. 

WHEN: 
MONDAY MORNING THROUGH MONDAY NIGHT. 

ADDITIONAL INFORMATION: 
A LOW PRESSURE SYSTEM WILL BRING HEAVY RAIN AND THUNDERSTORMS TO THE 
AREA MONDAY. THE FROZEN GROUND HAS A REDUCED ABILITY TO ABSORB THIS 
RAINFALL. 

FOR INFORMATION CONCERNING FLOODING, PLEASE CONSULT YOUR LOCAL 
CONSERVATION AUTHORITY OR ONTARIO MINISTRY OF NATURAL RESOURCES 
OFFICE. VISIT ONTARIO.CA/FLOODS FOR THE LATEST DETAILS.

LOCALIZED FLOODING IN LOW-LYING AREAS IS POSSIBLE. HEAVY DOWNPOURS 
CAN CAUSE FLASH FLOODS AND WATER POOLING ON ROADS. IF VISIBILITY IS 
REDUCED WHILE DRIVING, TURN ON YOUR LIGHTS AND MAINTAIN A SAFE 
FOLLOWING DISTANCE. 

PLEASE CONTINUE TO MONITOR ALERTS AND FORECASTS ISSUED BY 
ENVIRONMENT CANADA. TO REPORT SEVERE WEATHER, SEND AN EMAIL TO 
ONSTORM(AT)EC.GC.CA OR POST REPORTS ON X USING (HASH)ONSTORM.

HTTP://WEATHER.GC.CA

END/OSPC