County Hazards

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Winter in Liberty County, Montana

24 winter storms and snow events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Winter Storm, Winter Weather, Heavy Snow, Blizzard, Ice Storm, Lake-Effect Snow, Sleet.

24 events · 0 deaths recorded · peak month December · county share of state 0.3%

Winter event locations in and around Liberty County. Boundaries: US Census Bureau.

NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. Storm records through 30 Jun 2026.

NCEI records 24 winter events in Liberty County, Montana, between 1950 and 2026, spread over 16 years.

December is the busiest month, with 6 of the recorded events. The last 20 years account for 18 events against 6 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 0.3% of the 8,475 winter events recorded in Montana; its 1.7 per 100 square miles compares with 5.8 statewide.

Some winter weather and high wind events are recorded by NWS forecast zone rather than by county; zone-recorded events whose zone is named for the county are included and marked "Forecast zone" in the table.

Compared with Montana

MeasureLiberty CountyMontanaUS
Winter events since 1950248,475287,339
Per 100 square miles1.75.88.1
Per 10,000 residents123.376.78.7
Deaths recorded0862,509
Busiest monthDecemberDecemberJanuary

By year

195019882026
Winter events recorded in Liberty County per year, 1950 to 2026 (2026 is partial).

Seasonality

Jan
3
Feb
1
Mar
1
Apr
5
May
3
Jun
0
Jul
0
Aug
0
Sep
0
Oct
3
Nov
2
Dec
6
Winter events in Liberty County by month of occurrence, all years.

Recorded events

All 24 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
8 Nov 2020Blizzard—————Forecast zone
28 Apr 2019Blizzard—————Forecast zone
14 Feb 2018Winter Storm—————Forecast zone
30 Dec 2017Winter Storm—————Forecast zone
2 Oct 2017Winter Storm—————Forecast zone
2 Oct 2017Winter Storm—————Forecast zone
15 Apr 2016Winter Storm—————Forecast zone
10 Jan 2013Heavy Snow—————Forecast zone
8 Nov 2012Heavy Snow—————Forecast zone
21 Mar 2011Winter Storm—————Forecast zone
29 Dec 2010Winter Storm—————Forecast zone
10 Dec 2010Winter Storm—————Forecast zone
13 Apr 2010Winter Storm—————Forecast zone
28 Apr 2009Blizzard—————Forecast zone
13 Dec 2008Winter Storm—————Forecast zone
13 Dec 2008Winter Storm—————Forecast zone
19 Apr 2008Heavy Snow—————Forecast zone
28 Jan 2008Winter Storm—————Forecast zone
12 Jan 2005Blizzard—————Forecast zone
10 May 2004Winter Storm—————Forecast zone
29 Oct 2003Winter Storm—————Forecast zone
22 May 2002Winter Storm—————Forecast zone
7 May 2002Winter Storm—————Forecast zone
15 Dec 2000Blizzard—————Forecast zone

Questions and answers

How many winter events has Liberty County had?

24 events in the NCEI Storm Events record between 1950 and 2026. Reporting of winter storms and snow became far more complete after 1996, so early decades undercount.

When was the last recorded winter event in Liberty County?

8 Nov 2020 (Blizzard). Records reach NCEI about 120 days after the month ends.

What was the most damaging winter event recorded in Liberty County?

NCEI records no damage estimate for events of this type in the county.

How does Liberty County compare with Montana for winter?

1.7 events per 100 square miles against 5.8 statewide; the county holds 24 of the state's 8,475 recorded events.

Provenance

NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026, public domain. County-recorded events plus zone-recorded events whose forecast zone is named for the county (marked "Forecast zone"). Population and area from the US Census Bureau (2021). Built 1 Oct 2026. See the methodology, the Winter hub and the county page.