An upper level disturbance interacted with a weak backdoor cold front from Canada to bring heavy snow showers to the region.
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 MSO wrote it up.
An upper level disturbance interacted with a weak backdoor cold front from Canada to bring heavy snow showers to the region.
The national radar mosaic for the moment the first event began.
2 winter weather. Local standard time, as filed.
Heavy snow showers brought an estimated and unconfirmed 9 inches of snow to Libby. Other snow amounts include 4 inches in both Yaak and Eureka, 3 inches in Noxon and 1 inch in Marion.
Snow Squall. Heavy snow showers with up to 3 inch per hour rates led to numerous cars and semis in the ditch at Lookout Pass, which caused Interstate 90 to be closed for a period of time.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Montana in 2024Every state in 2024This day in weather historyWarnings in Montana, March 2024
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: 1167189, 1167188.