268
WOCN11 CWTO 211438
YELLOW ADVISORY - FROST
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 10:38 A.M. EDT WEDNESDAY 21 OCTOBER 2026.
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YELLOW LEVEL ADVISORY - FROST - FOR:
NIAGARA.
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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH
==DISCUSSION==
PATCHY FROST IS EXPECTED TO DEVELOP TONIGHT INTO THURSDAY MORNING,
MAINLY FOR AREAS AWAY FROM LAKE ERIE AND LAKE ONTARIO.
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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