492
WOCN11 CWTO 100201
YELLOW ADVISORY - FROST
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 10:01 P.M. EDT SATURDAY 9 MAY 2026.
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YELLOW LEVEL ADVISORY - FROST - FOR:
LONDON - PARKHILL - EASTERN MIDDLESEX COUNTY
OXFORD - BRANT
CITY OF HAMILTON
CALEDON
HALTON HILLS - MILTON
YORK - DURHAM
HURON - PERTH
GUELPH - ERIN - SOUTHERN WELLINGTON COUNTY
KITCHENER - CAMBRIDGE - REGION OF WATERLOO.
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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH
==DISCUSSION==
FROST MAY DAMAGE SOME CROPS IN FROST-PRONE AREAS.
PATCHY FROST IS EXPECTED TONIGHT INTO SUNDAY MORNING AS TEMPERATURES
DROP TO NEAR THE FREEZING MARK.
FROST IS EXPECTED AGAIN SUNDAY NIGHT INTO MONDAY MORNING.
DAMAGE TO PLANTS, TREES, AND CROPS IS POSSIBLE. 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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