979  
WOCN11 CWTO 081432  
FROST ADVISORY  
FOR SOUTHERN ONTARIO  
ISSUED BY ENVIRONMENT CANADA  
AT 10:32 A.M. EDT WEDNESDAY 8 OCTOBER 2025.  
---------------------------------------------------------------------  
FROST ADVISORY FOR:  
=NEW= CHATHAM-KENT - RONDEAU PARK  
=NEW= SARNIA - LAMBTON  
=NEW= ELGIN  
=NEW= LONDON - MIDDLESEX  
=NEW= SIMCOE - DELHI - NORFOLK  
=NEW= DUNNVILLE - CALEDONIA - HALDIMAND  
=NEW= OXFORD - BRANT  
=NEW= CITY OF HAMILTON  
=NEW= CALEDON  
=NEW= MISSISSAUGA - BRAMPTON  
=NEW= HALTON HILLS - MILTON  
=NEW= YORK - DURHAM  
=NEW= BELLEVILLE - QUINTE - NORTHUMBERLAND  
=NEW= KINGSTON - PRINCE EDWARD  
=NEW= BROCKVILLE - PRESCOTT  
=NEW= GANANOQUE - MALLORYTOWN.  
 
---------------------------------------------------------------------  
==DISCUSSION==  
 
FROST MAY DAMAGE SOME CROPS IN FROST-PRONE AREAS.  
 
TEMPERATURES ARE EXPECTED TO DROP TO NEAR ZERO DEGREES CELSIUS  
TONIGHT INTO EARLY THURSDAY MORNING.  
 
COVER UP PLANTS, ESPECIALLY THOSE IN FROST-PRONE AREAS. TAKE  
PREVENTATIVE MEASURES TO PROTECT FROST-SENSITIVE PLANTS AND TREES.  
 
FROST ADVISORIES ARE ISSUED WHEN TEMPERATURES ARE EXPECTED TO REACH  
THE FREEZING MARK DURING THE GROWING SEASON, LEADING TO POTENTIAL  
DAMAGE AND DESTRUCTION TO PLANTS AND CROPS.  
 
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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