WOCN11 CWTO 130953

YELLOW ADVISORY - FOG

FOR SOUTHERN ONTARIO

UPDATED BY ENVIRONMENT CANADA

AT 5:53 A.M. EDT THURSDAY 13 AUGUST 2026.

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YELLOW LEVEL ADVISORY - FOG - FOR:

=NEW= GATINEAU

=NEW= MERRICKVILLE-WOLFORD - KEMPTVILLE

=NEW= WESTPORT - CHARLESTON LAKE

=NEW= BROCKVILLE - PRESCOTT

=NEW= CITY OF OTTAWA

=NEW= PRESCOTT AND RUSSELL

=NEW= CORNWALL - MORRISBURG

=NEW= SMITHS FALLS - LANARK - SHARBOT LAKE

      RENFREW - PEMBROKE - BARRY'S BAY

      DEEP RIVER - WHITNEY - EASTERN ALGONQUIN PARK.



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IMPACT LEVEL: MODERATE

FORECAST CONFIDENCE: HIGH



==DISCUSSION==



NEAR-ZERO VISIBILITY IN FOG IS EXPECTED.



LOCALLY DENSE FOG WILL DISSIPATE THIS 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. 



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



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