270
WWCN11 CWTO 281002
YELLOW WARNING - RAINFALL
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 5:02 A.M. EST SUNDAY 28 DECEMBER 2025.
---------------------------------------------------------------------
YELLOW LEVEL WARNING - RAINFALL - FOR:
NEWMARKET - GEORGINA - NORTHERN YORK REGION
UXBRIDGE - BEAVERTON - NORTHERN DURHAM REGION
MOUNT FOREST - ARTHUR - NORTHERN WELLINGTON COUNTY
DUFFERIN - INNISFIL
HANOVER - DUNDALK - SOUTHERN GREY COUNTY
OWEN SOUND - BLUE MOUNTAINS - NORTHERN GREY COUNTY
BARRIE - COLLINGWOOD - HILLSDALE
MIDLAND - COLDWATER - ORR LAKE.
---------------------------------------------------------------------
IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH
==DISCUSSION==
RAINFALL, COMBINED WITH MELTING SNOW, IS EXPECTED. THE FROZEN GROUND
HAS A REDUCED ABILITY TO ABSORB THIS RAINFALL.
WHAT:
TOTAL RAIN AND FREEZING RAIN AMOUNTS OF 15 TO 30 MM.
WHEN:
BEGINNING NEAR NOON AND ENDING EARLY MONDAY MORNING.
ADDITIONAL INFORMATION:
FREEZING RAIN WILL BEGIN NEAR NOON AND TRANSITION TO RAIN THIS
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.
WATER WILL LIKELY POOL ON ROADS AND IN LOW-LYING AREAS. AVOID
LOW-LYING AREAS. 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.
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
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page