WOCN11 CWTO 271012

YELLOW ADVISORY - FOG

FOR SOUTHERN ONTARIO

UPDATED BY ENVIRONMENT CANADA

AT 6:12 A.M. EDT SATURDAY 27 JUNE 2026.

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YELLOW LEVEL ADVISORY - FOG - FOR:

=NEW= STIRLING - TWEED - SOUTH FRONTENAC

=NEW= MERRICKVILLE-WOLFORD - KEMPTVILLE

=NEW= WESTPORT - CHARLESTON LAKE

=NEW= OTTAWA SOUTH - RICHMOND - METCALFE

=NEW= PRESCOTT AND RUSSELL

=NEW= WINCHESTER - NEWINGTON

      SARNIA - LAMBTON

      LONDON - MIDDLESEX

      DUNNVILLE - CALEDONIA - HALDIMAND

      NIAGARA

      STRATFORD - MITCHELL - SOUTHERN PERTH COUNTY.



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IMPACT LEVEL: MODERATE

FORECAST CONFIDENCE: HIGH



==DISCUSSION==



NEAR-ZERO VISIBILITY IN FOG CONTINUES OVER SOME AREAS.



THESE AREAS OF DENSE FOG ARE EXPECTED TO DISSIPATE LATER THIS 

MORNING.



TRAVEL WILL LIKELY BE HAZARDOUS IN SOME LOCATIONS. VISIBILITY WILL 

LIKELY BE SUDDENLY REDUCED AT TIMES. BE PREPARED FOR AREAS OF 

NEAR-ZERO VISIBILITY AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION. 



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