321  
WWCN13 CWTO 041051  
RAINFALL WARNING  
FOR FAR NORTHERN ONTARIO  
ISSUED BY ENVIRONMENT CANADA  
AT 6:51 A.M. EDT SATURDAY 4 OCTOBER 2025.  
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RAINFALL WARNING FOR:  
=NEW= PIKANGIKUM - POPLAR HILL - MACDOWELL  
=NEW= PICKLE LAKE - WUNNUMMIN LAKE  
=NEW= WEBEQUIE.  
 
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==DISCUSSION==  
 
RAIN, AT TIMES HEAVY, IS EXPECTED.  
 
WHAT:  
TOTAL RAINFALL AMOUNTS OF 50 TO 75 MM. AMOUNTS IN EXCESS OF 75 MM  
ARE POSSIBLE FOR AREAS THAT RECEIVE MULTIPLE THUNDERSTORMS.  
 
WHEN:  
THIS EVENING THROUGH SUNDAY.  
 
ADDITIONAL INFORMATION:  
SHOWERS, AT TIMES HEAVY, AND THUNDERSTORMS ARE EXPECTED TO MOVE  
THROUGH NORTHWESTERN ONTARIO AHEAD OF A LOW PRESSURE SYSTEM. THE  
SIGNIFICANT RAINFALL WILL MOVE FROM SOUTHWEST TO NORTHEAST, WITH  
MULTIPLE ROUNDS OF HEAVY SHOWERS POSSIBLE FOR SOME AREAS, BEFORE  
TAPERING OFF LATE SUNDAY.  
 
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.  
 
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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