Widespread snow fell across North-central Idaho into western Montana, impacting both valleys and mountain passes.
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.
Widespread snow fell across North-central Idaho into western Montana, impacting both valleys and mountain passes.
The national radar mosaic for the moment the first event began.
2 winter storm. Local standard time, as filed.
A period of heavy snow lead to difficult travel during the morning hours. Snowfall of 4 to 8 inches were commonly observed by the public.
A period of heavy snow lead to difficult travel during the morning hours. Snowfall of 5 to 10 inches were commonly observed by the public.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Idaho in 2018Every state in 2018This day in weather historyWarnings in Idaho, November 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 2026-09-30. Each event’s entry at NCEI: 790330, 790331.