889
WWCN12 CWTO 010643
YELLOW WARNING - RAINFALL
FOR NORTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 2:43 A.M. EDT SATURDAY 1 AUGUST 2026.
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YELLOW LEVEL WARNING - RAINFALL - FOR:
SAULT STE. MARIE - ST. JOSEPH ISLAND
GREATER SUDBURY AND VICINITY
GOGAMA - FOLEYET
KIRKLAND LAKE - TEMISKAMING SHORES - TEMAGAMI
ELLIOT LAKE - RANGER LAKE
MANITOULIN - BLIND RIVER - KILLARNEY.
YELLOW LEVEL WARNING - RAINFALL - ENDED FOR:
SEARCHMONT - MONTREAL RIVER HARBOUR - BATCHAWANA BAY
CHAPLEAU - MISSINAIBI LAKE.
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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH
==DISCUSSION==
LOCALIZED HEAVY RAINFALL IN SHOWERS AND THUNDERSTORMS CONTINUES.
WHAT:
LOCAL RAINFALL AMOUNTS OF 50 TO 80 MM. ISOLATED RAINFALL AMOUNTS IN
EXCESS OF 100 MM ARE POSSIBLE.
WHEN:
CONTINUING INTO SATURDAY MORNING.
ADDITIONAL INFORMATION:
SHOWERS AND THUNDERSTORMS WILL CONTINUE TO MOVE THROUGH THE REGION
TONIGHT INTO SATURDAY MORNING. LOCALIZED HEAVY RAINFALL IS EXPECTED
FOR AREAS THAT RECEIVE MULTIPLE THUNDERSTORMS.
WHEN THUNDER ROARS, GO INDOORS(EXCLAMATION MARK) LIGHTNING KILLS AND
INJURES CANADIANS EVERY YEAR.
WATER WILL LIKELY POOL ON ROADS AND IN LOW-LYING AREAS. VISIBILITY
WILL LIKELY BE SUDDENLY REDUCED AT TIMES. SOME PROPERTY DAMAGE IS
POSSIBLE. DON'T DRIVE THROUGH FLOODED ROADWAYS.
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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