WWCN11 CWTO 022040

YELLOW WARNING - RAINFALL

FOR SOUTHERN ONTARIO

UPDATED BY ENVIRONMENT CANADA

AT 4:40 P.M. EDT SUNDAY 2 AUGUST 2026.

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YELLOW LEVEL WARNING - RAINFALL - FOR:

      CHATHAM-KENT - RONDEAU PARK

      ELGIN

      SIMCOE - DELHI - NORFOLK

      DUNNVILLE - CALEDONIA - HALDIMAND

      NIAGARA

      CITY OF HAMILTON.



YELLOW LEVEL WARNING - RAINFALL - ENDED FOR:

      WINDSOR - LEAMINGTON - ESSEX COUNTY.



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IMPACT LEVEL: MODERATE

FORECAST CONFIDENCE: HIGH



==DISCUSSION==



LOCALIZED HEAVY RAINFALL AND THUNDERSTORMS CONTINUE. 



WHAT: 

TOTAL LOCAL RAINFALL AMOUNTS OF 50 TO 80 MM. 

POOR VISIBILITY IN TORRENTIAL DOWNPOURS. 



WHEN: 

CONTINUING THIS AFTERNOON AND ENDING THIS EVENING. 



ADDITIONAL INFORMATION: 

LOCATIONS IMPACTED BY MULTIPLE WAVES OF HEAVY RAIN ARE EXPECTED TO 

RECEIVE AMOUNTS WELL IN EXCESS OF 50 MM. RAIN WILL DIMINISH OVER 

SOUTHWESTERN ONTARIO LATER THIS AFTERNOON AND THIS EVENING FOR AREAS 

CLOSER TO NIAGARA.



WATER WILL LIKELY POOL ON ROADS AND IN LOW-LYING AREAS. SOME 

PROPERTY DAMAGE IS POSSIBLE. 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 IN ONTARIO, SEND AN EMAIL TO 

ONSTORM(AT)EC.GC.CA OR POST REPORTS ON SOCIAL MEDIA USING 

(HASH)ONSTORM.



HTTP://WEATHER.GC.CA



END/OSPC