057  
WOCN11 CWTO 110354  
FROST ADVISORY  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 11:54 P.M. EDT SATURDAY 10 MAY 2025.  
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FROST ADVISORY FOR:  
GATINEAU  
CALEDON  
UXBRIDGE - BEAVERTON - NORTHERN DURHAM REGION  
NEWMARKET - GEORGINA - NORTHERN YORK REGION  
LISTOWEL - MILVERTON - NORTHERN PERTH COUNTY  
STRATFORD - MITCHELL - SOUTHERN PERTH COUNTY  
GUELPH - ERIN - SOUTHERN WELLINGTON COUNTY  
KITCHENER - CAMBRIDGE - REGION OF WATERLOO  
STIRLING - TWEED - SOUTH FRONTENAC  
MERRICKVILLE-WOLFORD - KEMPTVILLE  
WESTPORT - CHARLESTON LAKE  
CITY OF OTTAWA  
PRESCOTT AND RUSSELL  
CORNWALL - MORRISBURG  
SMITHS FALLS - LANARK - SHARBOT LAKE.  
 
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==DISCUSSION==  
 
TEMPERATURES ARE EXPECTED TO DROP TO NEAR THE FREEZING MARK TONIGHT  
INTO EARLY SUNDAY 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. TO  
REPORT SEVERE WEATHER IN GATINEAU, SEND AN EMAIL TO  
ONSTORM(AT)EC.GC.CA OR POST REPORTS ON X USING (HASH)QCSTORM.  
 
HTTP://WEATHER.GC.CA  
 
END/OSPC  
 
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