086  
WOCN11 CWTO 270807  
YELLOW ADVISORY - FOG  
FOR SOUTHERN ONTARIO  
ISSUED BY ENVIRONMENT CANADA  
AT 4:07 A.M. EDT SATURDAY 27 JUNE 2026.  
---------------------------------------------------------------------  
YELLOW LEVEL ADVISORY - FOG - FOR:  
=NEW= SARNIA - LAMBTON  
=NEW= LONDON - MIDDLESEX  
=NEW= DUNNVILLE - CALEDONIA - HALDIMAND  
=NEW= NIAGARA  
=NEW= STRATFORD - MITCHELL - SOUTHERN PERTH COUNTY.  
 
---------------------------------------------------------------------  
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  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab CANADA Page Main Text Page