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Winter in Blaine County, Montana

59 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.

59 events · 0 deaths recorded · peak month January · county share of state 0.7%

Winter event locations in and around Blaine 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 59 winter events in Blaine County, Montana, between 1950 and 2026, spread over 20 years.

January is the busiest month, with 10 of the recorded events. The last 20 years account for 49 events against 10 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 0.7% of the 8,475 winter events recorded in Montana; its 1.4 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

Measure	Blaine County	Montana	US
Winter events since 1950	59	8,475	287,339
Per 100 square miles	1.4	5.8	8.1
Per 10,000 residents	84.5	76.7	8.7
Deaths recorded	0	86	2,509
Busiest month	January	December	January

By year

195019882026

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

Seasonality

Jan
10Feb
5Mar
7Apr
7May
4Jun
0Jul
0Aug
0Sep
1Oct
9Nov
9Dec
7

Winter events in Blaine County by month of occurrence, all years.

Recorded events

All 59 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

Date	Event type	Magnitude	Property damage	Crop damage	Deaths	Injuries	Geography
5 Feb 2021	Winter Weather	—	—	—	—	—	Forecast zone
8 Nov 2020	Blizzard	—	—	—	—	—	Forecast zone
21 Oct 2020	Winter Weather	—	—	—	—	—	Forecast zone
1 Apr 2020	Winter Storm	—	—	—	—	—	Forecast zone
30 Nov 2019	Winter Weather	—	—	—	—	—	Forecast zone
30 Nov 2019	Winter Storm	—	—	—	—	—	Forecast zone
10 Nov 2019	Heavy Snow	—	—	—	—	—	Forecast zone
10 Nov 2019	Heavy Snow	—	—	—	—	—	Forecast zone
29 Sep 2019	Heavy Snow	—	—	—	—	—	Forecast zone
18 May 2019	Heavy Snow	—	—	—	—	—	Forecast zone
28 Apr 2019	Blizzard	—	—	—	—	—	Forecast zone
4 Mar 2018	Winter Storm	—	—	—	—	—	Forecast zone
14 Feb 2018	Winter Storm	—	—	—	—	—	Forecast zone
8 Feb 2018	Winter Storm	—	—	—	—	—	Forecast zone
3 Feb 2018	Heavy Snow	—	—	—	—	—	Forecast zone
3 Oct 2017	Winter Storm	—	—	—	—	—	Forecast zone
3 Oct 2017	Winter Storm	—	—	—	—	—	Forecast zone
3 Oct 2017	Winter Storm	—	—	—	—	—	Forecast zone
2 Oct 2017	Winter Storm	—	—	—	—	—	Forecast zone
2 Oct 2017	Winter Storm	—	—	—	—	—	Forecast zone
2 Oct 2017	Winter Storm	—	—	—	—	—	Forecast zone
5 Oct 2016	Winter Storm	—	—	—	—	—	Forecast zone
9 May 2016	Winter Storm	—	—	—	—	—	Forecast zone
25 Apr 2016	Winter Storm	—	—	—	—	—	Forecast zone
9 Nov 2014	Heavy Snow	—	—	—	—	—	Forecast zone
9 Nov 2014	Heavy Snow	—	—	—	—	—	Forecast zone
10 Jan 2013	Heavy Snow	—	—	—	—	—	Forecast zone
10 Jan 2013	Heavy Snow	—	—	—	—	—	Forecast zone
10 Jan 2013	Heavy Snow	—	—	—	—	—	Forecast zone
8 Nov 2012	Heavy Snow	—	—	—	—	—	Forecast zone
27 May 2012	Heavy Snow	—	—	—	—	—	Forecast zone
27 Apr 2012	Winter Storm	—	—	—	—	—	Forecast zone
19 Mar 2012	Winter Storm	—	—	—	—	—	Forecast zone
2 Apr 2011	Winter Storm	—	—	—	—	—	Forecast zone
21 Mar 2011	Winter Storm	—	—	—	—	—	Forecast zone
29 Jan 2011	Winter Storm	—	—	—	—	—	Forecast zone
21 Jan 2011	Winter Storm	—	—	—	—	—	Forecast zone
2 Jan 2011	Winter Storm	—	—	—	—	—	Forecast zone
29 Dec 2010	Winter Storm	—	—	—	—	—	Forecast zone
10 Dec 2010	Winter Storm	—	—	—	—	—	Forecast zone
15 Nov 2010	Winter Storm	—	—	—	—	—	Forecast zone
4 May 2010	Winter Storm	—	—	—	—	—	Forecast zone
13 Apr 2010	Winter Storm	—	—	—	—	—	Forecast zone
22 Jan 2010	Winter Storm	—	—	—	—	—	Forecast zone
28 Mar 2009	Winter Storm	—	—	—	—	—	Forecast zone
13 Dec 2008	Winter Storm	—	—	—	—	—	Forecast zone
13 Dec 2008	Winter Storm	—	—	—	—	—	Forecast zone
28 Jan 2008	Winter Storm	—	—	—	—	—	Forecast zone
19 Apr 2007	Heavy Snow	—	—	—	—	—	Forecast zone
4 Mar 2006	Heavy Snow	—	—	—	—	—	Forecast zone
23 Mar 2005	Winter Storm	—	—	—	—	—	Forecast zone
17 Mar 2005	Winter Storm	—	—	—	—	—	Forecast zone
12 Jan 2005	Blizzard	—	—	—	—	—	Forecast zone
1 Jan 2004	Winter Storm	—	—	—	—	—	Forecast zone
26 Dec 2003	Winter Storm	—	—	—	—	—	Forecast zone
29 Oct 2003	Winter Storm	—	—	—	—	—	Forecast zone
25 Feb 2001	Heavy Snow	—	—	—	—	—	Forecast zone
16 Dec 2000	Blizzard	—	—	—	—	—	Forecast zone
15 Dec 2000	Blizzard	—	—	—	—	—	Forecast zone

Questions and answers

How many winter events has Blaine County had?

59 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 Blaine County?

5 Feb 2021 (Winter Weather). Records reach NCEI about 120 days after the month ends.

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

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

How does Blaine County compare with Montana for winter?

1.4 events per 100 square miles against 5.8 statewide; the county holds 59 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.