Minor Dense Fog Advisory | Effective 09/30/2026 04:21

Headline: 
Dense Fog Advisory issued September 30 at 6:21AM CDT until September 30 at 10:00PM CDT by NWS Duluth MN
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
September 30, 2026 - 4:21am
Expires: 
September 30, 2026 - 8:00pm
Description: 
* WHAT...Dense fog will reduce visibility to 1/4 NM. * WHERE...Grand Portage to Grand Marais MN and Grand Marais to Taconite Harbor MN. * WHEN...Until 10 PM CDT this evening. * 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