WOCN11 CWTO 190303
YELLOW ADVISORY - FOG
FOR SOUTHERN ONTARIO
ISSUED BY ENVIRONMENT CANADA
AT 10:03 P.M. EST WEDNESDAY 18 FEBRUARY 2026.
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YELLOW LEVEL ADVISORY - FOG - FOR:
=NEW= WINDSOR - ESSEX - CHATHAM-KENT
=NEW= SARNIA - LAMBTON.

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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH

==DISCUSSION==

DENSE FOG IS EXPECTED. 

WHAT: 
NEAR ZERO VISIBILITY IN DENSE FOG. 

WHEN: 
TONIGHT THROUGH EARLY THURSDAY MORNING. 

ADDITIONAL INFORMATION: 
FOG PATCHES ARE DEVELOPING IN SOME LOCALES AND ARE EXPECTED TO 
BECOME DENSE AND WIDESPREAD WITH POOR VISIBILITY TONIGHT AND EARLY 
THURSDAY MORNING.

TRAVEL WILL LIKELY BE HAZARDOUS IN SOME LOCATIONS. BE PREPARED FOR 
AREAS OF NEAR-ZERO VISIBILITY AND ALLOW EXTRA TIME TO REACH YOUR 
DESTINATION. IF DRIVING, TURN ON YOUR LIGHTS, SLOW DOWN AND MAINTAIN 
A SAFE FOLLOWING DISTANCE. 

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