Dense Fog Advisory issued October 25 at 10:09AM MDT until October 25 at 11:00AM MDT by NWS Great Falls MT
Issue date: 2026-10-25T16:09+00:00
* WHAT...Variable visibility down to one quarter mile or less in dense fog. * WHERE...Canyon Ferry Area, Elkhorn and Boulder Mountains, Gallatin Valley, Gallatin and Madison County Mountains and Centennial Mountains, Missouri Headwaters, and Northwest Beaverhead County. * WHEN...Until 11 AM MDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous.
Dense Fog Advisory issued October 25 at 4:34AM MDT until October 25 at 11:00AM MDT by NWS Great Falls MT
Issue date: 2026-10-25T10:34+00:00
* WHAT...Visibility below a quarter of a mile at times in dense fog. * WHERE...Portions of central, north central, and southwest Montana. * WHEN...Until 11 AM MDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous.
