Minor Dense Fog Advisory | Effective 07/25/2026 18:37

Headline: 
Dense Fog Advisory issued July 25 at 8:37PM CDT until July 26 at 1:00AM CDT by NWS Duluth MN
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
July 25, 2026 - 6:37pm
Expires: 
July 25, 2026 - 11:00pm
Description: 
* WHAT...Dense fog will reduce visibility to less than 1 nm. * WHERE...Grand Portage to Taconite Harbor MN. * WHEN...Until 1 AM CDT Sunday. * IMPACTS...Low visibility will make navigation difficult.
Instruction: 
If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass.
Area Description: 
Grand Portage to Grand Marais MN; Grand Marais to Taconite Harbor MN
Forcast Office: 
NWS Duluth MN
Sender: 
w-nws.webmaster@noaa.gov