WWCN11 CWTO 150829
YELLOW WARNING - RAINFALL
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 4:29 A.M. EDT WEDNESDAY 15 APRIL 2026.
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YELLOW LEVEL WARNING - RAINFALL - FOR:
      CALEDON
      WATERLOO - WELLINGTON
      DUFFERIN - INNISFIL
      HANOVER - DUNDALK - SOUTHERN GREY COUNTY
      OWEN SOUND - BLUE MOUNTAINS - NORTHERN GREY COUNTY
      BARRIE - COLLINGWOOD - HILLSDALE
      MIDLAND - COLDWATER - ORR LAKE.

YELLOW LEVEL WARNING - RAINFALL - ENDED FOR:
      HURON - PERTH
      SAUGEEN SHORES - KINCARDINE - SOUTHERN BRUCE COUNTY
      BRUCE PENINSULA - SAUBLE BEACH - TOBERMORY.

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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH

==DISCUSSION==

RAIN, HEAVY AT TIMES, CONTINUES. THE GROUND, ALREADY NEAR
SATURATION, HAS LITTLE ABILITY TO ABSORB FURTHER RAINFALL.

WHAT:
TOTAL RAINFALL AMOUNTS OF 20 TO 30 MM.

WHEN:
ENDING EARLY THIS MORNING.

ADDITIONAL INFORMATION:
GIVEN THE ALREADY SATURATED GROUND, RAINFALL AMOUNTS NEAR 20
MILLIMETRES COULD HAVE SIGNIFICANT IMPACTS.

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 IN ONTARIO, SEND AN EMAIL TO
ONSTORM(AT)EC.GC.CA OR POST REPORTS ON X USING (HASH)ONSTORM.

HTTP://WEATHER.GC.CA

END/OSPC