177
WWCN12 CWTO 112223
YELLOW WARNING - RAINFALL
FOR NORTHERN ONTARIO
ISSUED BY ENVIRONMENT CANADA
AT 6:23 P.M. EDT FRIDAY 11 SEPTEMBER 2026.
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YELLOW LEVEL WARNING - RAINFALL - FOR:
=NEW= ATIKOKAN - UPSALA - QUETICO
=NEW= KAKABEKA FALLS - WHITEFISH LAKE - ARROW LAKE.
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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH
==DISCUSSION==
RAIN, AT TIMES HEAVY, AND THUNDERSTORMS TONIGHT.
WHAT:
TOTAL RAINFALL AMOUNTS IN EXCESS OF 50 MM.
PEAK RAINFALL RATES OF 40 MM IN AN HOUR.
WHEN:
CONTINUING THROUGH TONIGHT.
ADDITIONAL INFORMATION:
RAINFALL AMOUNTS WILL BE HIGHLY VARIABLE ACROSS THE REGION. RAIN
WILL TAPER TO SCATTERED SHOWERS AFTER MIDNIGHT.
WATER WILL LIKELY POOL ON ROADS AND IN LOW-LYING AREAS. VISIBILITY
WILL LIKELY BE SUDDENLY REDUCED AT TIMES. DON'T DRIVE THROUGH
FLOODED ROADWAYS. WATCH FOR WASHOUTS NEAR 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 SOCIAL MEDIA USING
(HASH)ONSTORM.
HTTP://WEATHER.GC.CA
END/OSPC
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