387  
WOCN11 CWTO 311236  
YELLOW ADVISORY - FOG  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 8:36 A.M. EDT MONDAY 31 AUGUST 2026.  
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YELLOW LEVEL ADVISORY - FOG - FOR:  
GATINEAU  
KINGSTON - ODESSA - FRONTENAC ISLANDS  
TAMWORTH - SYDENHAM - SOUTH FRONTENAC  
BANCROFT - BON ECHO PARK  
BROCKVILLE - LEEDS AND GRENVILLE  
CITY OF OTTAWA  
PRESCOTT AND RUSSELL  
CORNWALL - MORRISBURG  
SMITHS FALLS - LANARK - SHARBOT LAKE  
OXTONGUE LAKE - FORT IRWIN - NORTHERN HALIBURTON COUNTY  
RENFREW - PEMBROKE - BARRY'S BAY  
ALGONQUIN.  
 
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IMPACT LEVEL: MODERATE  
FORECAST CONFIDENCE: HIGH  
 
==DISCUSSION==  
 
NEAR-ZERO VISIBILITY IN FOG IS EXPECTED.  
 
LOCALLY DENSE FOG WILL PERSIST INTO EARLY THIS MORNING BEFORE  
DISSIPATING.  
 
TRAVEL WILL LIKELY BE HAZARDOUS IN SOME LOCATIONS. VISIBILITY WILL  
LIKELY BE SUDDENLY REDUCED AT TIMES.  
 
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. TO REPORT SEVERE WEATHER IN GATINEAU, SEND AN EMAIL  
TO ONSTORM(AT)EC.GC.CA OR POST REPORTS ON SOCIAL MEDIA USING  
(HASH)QCSTORM.  
 
HTTP://WEATHER.GC.CA  
 
END/OSPC  
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