Dense Fog — Central and Southern Valley, Montana

2023-11-03 to 2023-11-04 · Central and Southern Valley, Montana

Event narrative

At the Glasgow Airport ASOS site (KGGW) intermittent visibility of one quarter mile or less was recorded for about 15 hours, from the evening of the 3rd to the morning of the 4th.

Wider weather episode

Abundant snow melt during the day led to dense fog forming the night of the 3rd, lasting into the morning of the 4th.

Source: NOAA Storm Events Database, event_id 1140768. Narrative written by the NWS forecast office that issued the report.