A strong upper low over South Dakota brought heavy snow, along with strong northwest winds, across portions of southeast Montana.
Every event with a place to put it; 3 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 BYZ wrote it up.
A strong upper low over South Dakota brought heavy snow, along with strong northwest winds, across portions of southeast Montana.
The national radar mosaic for the moment the first event began.
3 winter storm. Local standard time, as filed.
Snowfall around 5 inches was reported across the area. In addition, freezing rain along with blowing and drifting snow, resulted in reduced visibilities and hazardous travel conditions.
Snowfall amounts of 6 to 10 inches were reported across the area.
Snowfall amounts of 4 to 6 inches were reported across the area.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Montana in 2018Every state in 2018This day in weather historyWarnings in Montana, March 2018
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: 744022, 744024, 744020.