2 winter storm, as filed by the National Weather Service.
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 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 Great Falls, MT wrote its last area forecast discussion before the first event at Dec 13, 3:00 PM MST, 5 hours earlier.
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</html>2 winter storm. Local standard time, as filed.
SNOTEL automated mountain observing sites reported widespread 0.50 liquid equivalent accumulations with strong winds across zones 9 (Northern Rocky Mountain Front) and 48 (Southern Rocky Mountain Front) from the evening of 12/13/2001 to the morning of 12/14/2001.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Montana in 2001Every state in 2001This day in weather historyWarnings in Montana, December 2001
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: 5275218, 5275219.