WWCN11 CWTO 131953
YELLOW WARNING - RAINFALL
FOR SOUTHERN ONTARIO
ISSUED BY ENVIRONMENT CANADA
AT 3:53 P.M. EDT MONDAY 13 APRIL 2026.
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YELLOW LEVEL WARNING - RAINFALL - FOR:
=NEW= GREY - BRUCE
=NEW= BARRIE - COLLINGWOOD - HILLSDALE.

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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH

==DISCUSSION==

ANOTHER ROUND OF RAIN, HEAVY AT TIMES IS EXPECTED. THE GROUND,
ALREADY NEAR SATURATION, HAS LITTLE ABILITY TO ABSORB FURTHER
RAINFALL.

WHAT:
TOTAL RAINFALL AMOUNTS OF 15 TO 25 MM.

WHEN:
BEGINNING LATE OVERNIGHT AND CONTINUING THROUGH TUESDAY MORNING.

ADDITIONAL INFORMATION:
LOCALLY HIGHER AMOUNTS ARE POSSIBLE IN THUNDERSTORMS. AFTER A BREAK
IN THE PRECIPITATION LATER ON TUESDAY, ANOTHER ROUND OF HEAVY RAIN
MAY AFFECT PARTS OF THE REGION WEDNESDAY.

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.

WATER WILL LIKELY POOL ON ROADS AND IN LOW-LYING AREAS. DON'T DRIVE
THROUGH FLOODED ROADWAYS. WATCH FOR WASHOUTS NEAR RIVERS, CREEKS AND
CULVERTS.

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