431
WWCN12 CWTO 271946
YELLOW WARNING - RAINFALL
FOR NORTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 3:46 P.M. EDT MONDAY 27 APRIL 2026.
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YELLOW LEVEL WARNING - RAINFALL - FOR:
CITY OF THUNDER BAY
SUPERIOR WEST
LAKE NIPIGON - WABAKIMI
NIPIGON - MARATHON - SUPERIOR NORTH.
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IMPACT LEVEL: HIGH
FORECAST CONFIDENCE: MODERATE
==DISCUSSION==
RAIN, AT TIMES HEAVY, EXPECTED. THE FROZEN OR NEARLY SATURATED
GROUND HAS A REDUCED ABILITY TO ABSORB THIS RAINFALL.
WHAT:
RAINFALL AMOUNTS OF 25 TO 40 MM.
WHEN:
ENDING TUESDAY MORNING.
ADDITIONAL INFORMATION:
AREAS NEAR LAKE NIPIGON MAY TRANSITION TO SNOW OVERNIGHT OR TUESDAY
MORNING.
LOCALIZED FLOODING IS POSSIBLE. SOME ROADS MAY BECOME IMPASSABLE.
DON'T DRIVE THROUGH FLOODED ROADWAYS. STAY AWAY FROM 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, SEND AN EMAIL TO
ONSTORM(AT)EC.GC.CA OR POST REPORTS ON X USING (HASH)ONSTORM.
HTTP://WEATHER.GC.CA
END/OSPC
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