An atmospheric river with a warm air push brought another round of snow to the region. Mountains received near 12 inches of snow.
Every event with a place to put it; 5 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 OTX wrote it up.
An atmospheric river with a warm air push brought another round of snow to the region. Mountains received near 12 inches of snow. The lowlands received a range of 4 to 8 inches.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Spokane, WA wrote its last area forecast discussion before the first event at Dec 9, 3:59 PM PST, 2 hours 1 minute earlier.
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</html>The national radar mosaic for the moment the first event began.
5 heavy snow. Local standard time, as filed.
Observer reported 7 inches of snow 2 miles northwest of Newman Lake. An Athol Cocorahs observer reported 6.8 inches. Other reports from Boundary, Bonner, and Northern Kootenai counties ranged from 2 to 6 inches.
Observer reported 9 inches of snow 3 miles southwest of Chilco. Other reports in the Coeur D'Alene area ranged from 5 to 7 inches.
Observer reported 6 inches of snow 2 miles north of Moscow. Other reports in the area ranged from 6 to 8 inches.
Observer reported 8.7 inches of snow 3 miles south of St. Maries. Other reports in the area ranged from 5 to 10 inches.
Observer reported 6 inches of snow in Winchester.
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, December 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 2026-09-24. Each event’s entry at NCEI: 1154075, 1154079, 1154083, 1154085, 1154087.