A strong pressure gradient set up along the Rocky Mountain Front. This helped produce isolated high sustained winds along the Rocky Mountain Front.
Every event with a place to put it; 1 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 strong pressure gradient set up along the Rocky Mountain Front. This helped produce isolated high sustained winds along the Rocky Mountain Front.
The national radar mosaic for the moment the first event began.
1 high wind. Local standard time, as filed.
Mesonet Mission Lake S measured an average sustained wind speed of 41 mph from 21:25 to 22:40 local time.
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 2026-09-30. Each event’s entry at NCEI: 1311725.