Dense fog settled over some lower river valley locations, primarily the Missouri River and the lower Milk River.
Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS GGW wrote it up.
Dense fog settled over some lower river valley locations, primarily the Missouri River and the lower Milk River.
The national radar mosaic for the moment the first event began.
2 dense fog. Local standard time, as filed.
The Glasgow airport ASOS (KGGW) reported visibility of 1/2 mile or less for about 1 1/2 hours.
The Wolf Point airport ASOS (KOLF) reported visibility of 1/2 mile or less for about 3 1/2 hours.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Montana in 2026Every state in 2026This day in weather historyWarnings in Montana, February 2026
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 1311898, 1311900.