March began with heavy snowfall over an extended period with some areas receiving over a foot mainly in the Upper Snake River Highlands.
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 PIH wrote it up.
March began with heavy snowfall over an extended period with some areas receiving over a foot mainly in the Upper Snake River Highlands.
The national radar mosaic for the moment the first event began.
3 heavy snow. Local standard time, as filed.
The Craters of the Moon COOP observer measured 11 inches of snow.
Heavy snowfall amounts were 11 inches at the Island Park COOP, 12 inches in Macks Inn, and 13 inches at Harriman State Park.
Thirteen to 16 inches of snow was measured in the Victor area by multiple spotters.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Idaho in 2023Every state in 2023This day in weather historyWarnings in Idaho, March 2023
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: 1090762, 1090751, 1090758.