663  
WWCN11 CWTO 290415  
YELLOW WARNING - RAINFALL  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 11:15 P.M. EST SUNDAY 28 DECEMBER 2025.  
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YELLOW LEVEL WARNING - RAINFALL - FOR:  
CITY OF TORONTO  
BURLINGTON - OAKVILLE  
MISSISSAUGA - BRAMPTON  
VAUGHAN - RICHMOND HILL - MARKHAM  
PICKERING - OSHAWA - SOUTHERN DURHAM REGION  
BELLEVILLE - QUINTE - NORTHUMBERLAND  
PICTON - SANDBANKS PARK  
NAPANEE - CONSECON.  
 
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IMPACT LEVEL: HIGH  
FORECAST CONFIDENCE: MODERATE  
 
==DISCUSSION==  
 
RAIN, HEAVY AT TIMES CONTINUES. THE FROZEN GROUND HAS A REDUCED  
ABILITY TO ABSORB THIS RAINFALL.  
 
WHAT:  
TOTAL RAIN AND FREEZING RAIN AMOUNTS 20 TO 40 MM  
 
WHEN:  
ENDING MONDAY MORNING.  
 
ADDITIONAL INFORMATION:  
RAIN OR FREEZING RAIN, HEAVY AT TIMES, WILL CONTINUE TONIGHT. ANY  
FREEZING RAIN WILL GRADUALLY TRANSITION TO RAIN LATER THIS EVENING  
OR OVERNIGHT. THE RAIN WILL EASE 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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