WWCN12 CWTO 261713

RAINFALL WARNING

FOR NORTHERN ONTARIO

ISSUED BY ENVIRONMENT CANADA

AT 1:13 P.M. EDT THURSDAY 26 JUNE 2025.

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RAINFALL WARNING FOR:

=NEW= NORTH BAY - POWASSAN - MATTAWA.



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==DISCUSSION==



HEAVY RAIN EXPECTED ON FRIDAY. 



WHAT: 

RAINFALL AMOUNTS OF 30 TO 50 MM. LOCALLY HIGHER AMOUNTS POSSIBLE IN 

THUNDERSTORMS. 



WHEN: 

FRIDAY MORNING THROUGH FRIDAY EVENING. 



ADDITIONAL INFORMATION: 

HEAVY SHOWERS AND THUNDERSTORMS ARE EXPECTED ON FRIDAY AS A LOW 

PRESSURE SYSTEM TRACKS EAST ACROSS THE REGION. THE GROUND, ALREADY 

NEAR SATURATION, HAS LITTLE ABILITY TO ABSORB FURTHER 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.



HEAVY DOWNPOURS CAN CAUSE FLASH FLOODS AND WATER POOLING ON ROADS. 

LOCALIZED FLOODING IN LOW-LYING AREAS IS POSSIBLE. WATCH FOR 

POSSIBLE WASHOUTS NEAR RIVERS, CREEKS AND CULVERTS. KEEP CHILDREN 

AND PETS AWAY FROM CREEKS AND RIVER BANKS. 



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

