WWCN12 CWTO 231904
YELLOW WARNING - RAINFALL
FOR NORTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 3:04 P.M. EDT SUNDAY 23 AUGUST 2026.
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YELLOW LEVEL WARNING - RAINFALL - FOR:
      TIMMINS - COCHRANE
      GOGAMA - FOLEYET
      KIRKLAND LAKE - TEMISKAMING SHORES - TEMAGAMI.

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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH

==DISCUSSION==

HEAVY RAINFALL EXPECTED THROUGH MONDAY. 

HAZARD: 
TOTAL RAINFALL AMOUNTS OF 50 TO 80 MM. LOCAL AMOUNTS MAY APPROACH 
100 MM. 

WHEN: 
ENDING MONDAY NIGHT. 

ADDITIONAL INFORMATION: 
A SLOW MOVING LOW PRESSURE SYSTEM IS EXPECTED TO BRING SHOWERS AND 
THUNDERSTORMS ACROSS THE AREA TODAY THROUGH MONDAY. SHOWERS AND 
THUNDERSTORMS ARE EXPECTED TO TRANSITION OVER TO STEADIER RAINFALL 
BY TONIGHT, AND COULD BE HEAVY AT TIMES.

WATER WILL LIKELY POOL ON ROADS AND IN LOW-LYING AREAS. DON'T DRIVE 
THROUGH FLOODED ROADWAYS. AVOID LOW-LYING AREAS. 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