017  
WOCN11 CWTO 091255  
FROST ADVISORY  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 8:55 A.M. EDT FRIDAY 9 MAY 2025.  
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FROST ADVISORY FOR:  
ELGIN  
LONDON - MIDDLESEX  
SIMCOE - DELHI - NORFOLK  
OXFORD - BRANT  
LISTOWEL - MILVERTON - NORTHERN PERTH COUNTY  
STRATFORD - MITCHELL - SOUTHERN PERTH COUNTY  
GUELPH - ERIN - SOUTHERN WELLINGTON COUNTY  
KITCHENER - CAMBRIDGE - REGION OF WATERLOO.  
 
FROST ADVISORY ENDED FOR:  
CHATHAM-KENT - RONDEAU PARK  
SARNIA - LAMBTON  
DUNNVILLE - CALEDONIA - HALDIMAND  
CITY OF HAMILTON  
CALEDON  
MISSISSAUGA - BRAMPTON  
HALTON HILLS - MILTON  
YORK - DURHAM  
WINGHAM - BLYTH - NORTHERN HURON COUNTY  
GODERICH - BLUEWATER - SOUTHERN HURON COUNTY.  
 
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==DISCUSSION==  
 
TEMPERATURES ARE EXPECTED TO DROP TO NEAR THE FREEZING MARK  
OVERNIGHT INTO EARLY SATURDAY MORNING.  
 
COVER UP PLANTS, ESPECIALLY THOSE IN FROST-PRONE AREAS.  
 
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  
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