035
WOCN11 CWTO 181919
YELLOW ADVISORY - FROST
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 3:19 P.M. EDT FRIDAY 18 SEPTEMBER 2026.
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YELLOW LEVEL ADVISORY - FROST - FOR:
=NEW= PRESCOTT AND RUSSELL
=NEW= CORNWALL - MORRISBURG
=NEW= PETAWAWA - PEMBROKE - COBDEN
BANCROFT - HASTINGS HIGHLANDS - DENBIGH
HUNTSVILLE - BAYSVILLE
OXTONGUE LAKE - FORT IRWIN - NORTHERN HALIBURTON COUNTY
BARRY'S BAY - KILLALOE
ALGONQUIN
BURK'S FALLS - BAYFIELD INLET.
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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH
==DISCUSSION==
PATCHY FROST IS EXPECTED OVERNIGHT INTO SATURDAY MORNING AS
TEMPERATURES FALL TO NEAR THE FREEZING MARK.
DAMAGE TO PLANTS, TREES, AND CROPS IS POSSIBLE. TAKE PREVENTATIVE
MEASURES TO PROTECT COLD-SENSITIVE PLANTS, TREES, AND CROPS. 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 SOCIAL MEDIA USING
(HASH)ONSTORM.
HTTP://WEATHER.GC.CA
END/OSPC
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