Heavy snow impacted mountain areas across Lemhi County as a mid-level low pressure system tracked across southern Idaho.
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.
Heavy snow impacted mountain areas across Lemhi County as a mid-level low pressure system tracked across southern Idaho.
The national radar mosaic for the moment the first event began.
1 heavy snow, 1 winter weather. Local standard time, as filed.
Snow totals include: 6 to 8 inches at Williams Creek Summit and 15 inches in Cobalt.
Snow totals include: 8 to 12 inches above 5,000 feet, with 2 inches in Salmon.
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 2026-09-30. Each event’s entry at NCEI: 1079556, 1079559.