A Pacific weather system moved across the region during the morning of 1/7. An associated cold front brought scattered to widespread snow showers to Southwest MT and supported the development of a snow squall along I-90 near Homestake Pass.
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 TFX wrote it up.
A Pacific weather system moved across the region during the morning of 1/7. An associated cold front brought scattered to widespread snow showers to Southwest MT and supported the development of a snow squall along I-90 near Homestake Pass. This cold front also brought isolated gusty winds to Southwest MT.
The national radar mosaic for the moment the first event began.
1 winter weather, 1 high wind. Local standard time, as filed.
Snow Squall. Homestake Pass DOT camera on I-90 showed a rapid reduction in visibility, to near-whiteout, with light snow accumulations on the highway.
ASOS station KDLN Dillon Airport measured a 59 mph wind gust.
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, January 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 2026-09-24. Each event’s entry at NCEI: 1309297, 1309298.