279
WWCN11 CWTO 281403
YELLOW WARNING - RAINFALL
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 9:03 A.M. EST SUNDAY 28 DECEMBER 2025.
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YELLOW LEVEL WARNING - RAINFALL - FOR:
WINDSOR - ESSEX - CHATHAM-KENT
SARNIA - LAMBTON
ELGIN
LONDON - MIDDLESEX
SIMCOE - DELHI - NORFOLK
DUNNVILLE - CALEDONIA - HALDIMAND
OXFORD - BRANT
NIAGARA
CITY OF HAMILTON
GODERICH - BLUEWATER - SOUTHERN HURON COUNTY
STRATFORD - MITCHELL - SOUTHERN PERTH COUNTY.
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IMPACT LEVEL: HIGH
FORECAST CONFIDENCE: MODERATE
==DISCUSSION==
RAIN, HEAVY AT TIMES IS EXPECTED. THE FROZEN GROUND HAS A REDUCED
ABILITY TO ABSORB THIS RAINFALL.
WHAT:
TOTAL RAIN AND FREEZING RAIN AMOUNTS 30 TO 60 MM WITH LOCALLY HIGHER
AMOUNTS POSSIBLE.
WHEN:
BEGINNING THIS MORNING AND ENDING OVERNIGHT.
ADDITIONAL INFORMATION:
RAIN WILL BEGIN THIS MORNING BECOMING HEAVY AT TIMES THROUGH THE
AFTERNOON AND EVENING. PRECIPITATION MAY BEGIN AS FREEZING RAIN
BRIEFLY BEFORE CHANGING OVER TO RAIN WITH LITTLE ICE ACCRETION
EXPECTED. THERE WILL BE THE RISK FOR A FEW ISOLATED THUNDERSTORMS AS
WELL. THE RAIN WILL EASE OVERNIGHT.
IF POSSIBLE, CLEAR STORM DRAINS OF SNOW AND ICE.
LOCALIZED FLOODING IS POSSIBLE. SOME ROADS MAY BECOME IMPASSABLE.
DON'T DRIVE THROUGH FLOODED ROADWAYS. AVOID LOW-LYING AREAS. STAY
AWAY FROM RIVERS, CREEKS AND CULVERTS. CONSIDER MOVING VALUABLES TO
HIGHER LEVELS OF YOUR HOME.
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.
FOR MORE INFORMATION ABOUT THE ALERTING PROGRAM, PLEASE VISIT:
HTTPS://WWW.CANADA.CA/EN/SERVICES/ENVIRONMENT/WEATHER/SEVEREWEATHER/WEATHER-ALERTS/COLOUR-CODED-ALERTS.
HTTP://WEATHER.GC.CA
END/OSPC
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