456
WWCN11 CWTO 281922
YELLOW WARNING - RAINFALL
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 2:22 P.M. EST SUNDAY 28 DECEMBER 2025.
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YELLOW LEVEL WARNING - RAINFALL - FOR:
HALTON HILLS - MILTON
CALEDON
LISTOWEL - MILVERTON - NORTHERN PERTH COUNTY
KITCHENER - CAMBRIDGE - REGION OF WATERLOO
GUELPH - ERIN - SOUTHERN WELLINGTON 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 20 TO 40 MM
WHEN:
CONTINUING THIS AFTERNOON AND ENDING EARLY MONDAY MORNING.
ADDITIONAL INFORMATION:
FREEZING RAIN WILL CONTINUE THIS AFTERNOON CHANGING OVER TO RAIN
LATER THIS AFTERNOON OR EVENING. RAIN AND FREEZING RAIN WILL BE
HEAVY AT TIMES THROUGH THE AFTERNOON AND EVENING. THE RAIN WILL EASE
EARLY MONDAY MORNING.
IF POSSIBLE, CLEAR STORM DRAINS OF SNOW AND ICE.
LOCALIZED FLOODING IS POSSIBLE. SOME ROADS MAY BECOME IMPASSABLE.
AVOID LOW-LYING AREAS. STAY AWAY FROM 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.
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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