Another Pacific weather system brought heavy snow to north central Idaho. Nine to twelve inches of new snow was reported.
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.
Another Pacific weather system brought heavy snow to north central Idaho. Nine to twelve inches of new snow was reported.
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 Missoula, MT wrote its last area forecast discussion before the first event at Dec 20, 1:47 PM PST, 20 hours 13 minutes earlier.
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</html>HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MISSOULA MT 229 PM MST SAT DEC 20 2008 IDZ009-010-MTZ001>003-005-007-043-211200- WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-KOOTENAI/CABINET REGION- WEST GLACIER REGION-FLATHEAD/MISSION VALLEYS- MISSOULA/BITTERROOT VALLEYS-BUTTE/BLACKFOOT REGION- POTOMAC/SEELEY LAKE REGION- 229 PM MST SAT DEC 20 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL IDAHO...NORTHWEST MONTANA AND WEST CENTRAL MONTANA. .DAY ONE...THIS AFTERNOON AND TONIGHT NO HAZARDOUS WEATHER EXPECTED DURING THIS PERIOD. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY A MOIST PACIFIC SYSTEM WILL APPROACH THE AREA SUNDAY. ACCUMULATING SNOW IS POSSIBLE OVER NORTH CENTRAL IDAHO AND PORTIONS OF WESTERN MONTANA SUNDAY THROUGH MONDAY MORNING. ALSO...THE COLD AIR MASS WILL REMAIN IN PLACE...AND THUS ICE WILL CONTINUE TO BUILD UP IN AREA RIVERS AND STREAMS...RESULTING IN AN INCREASED THREAT OF ICE JAMS. FLOODING IS POSSIBLE WHEN ICE JAMS BREAK OR CAUSE WATER TO SPREAD OUT OF RIVER BANKS. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
The national radar mosaic for the moment the first event began.
2 heavy snow. Local standard time, as filed.
Nine to twelve inches of new snow accumulation reported in Weippe and Pierce.
Spotters between Cottonwood and Orofino reported between 10 to 12 inches of new snowfall accumulations.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Idaho in 2008Every state in 2008This day in weather historyWarnings in Idaho, December 2008
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: 142579, 142580.