County Hazards

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Winter in Park County, Montana

29 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.

29 events · 0 deaths recorded · peak month March · county share of state 0.3%

Winter event locations in and around Park 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.

Park County, Montana, has 29 winter events in the NCEI record since 1950, with at least one in 3 different years.

March is the busiest month, with 10 of the recorded events. The last 20 years account for 0 events against 29 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 1.0 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

MeasurePark CountyMontanaUS
Winter events since 1950298,475287,339
Per 100 square miles1.05.88.1
Per 10,000 residents16.676.78.7
Deaths recorded0862,509
Busiest monthMarchDecemberJanuary

By year

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

Seasonality

Jan
1
Feb
6
Mar
10
Apr
4
May
3
Jun
0
Jul
0
Aug
0
Sep
0
Oct
1
Nov
3
Dec
1
Winter events in Park County by month of occurrence, all years.

Recorded events

All 29 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
23 Oct 2004Heavy Snow—————Forecast zone
29 Feb 2004Heavy Snow—————Forecast zone
26 Dec 2003Blizzard—————Forecast zone
27 Mar 2003Heavy Snow—————Forecast zone
27 Mar 2003Heavy Snow—————Forecast zone
27 Mar 2003Heavy Snow—————Forecast zone
27 Mar 2003Heavy Snow—————Forecast zone
27 Mar 2003Heavy Snow—————Forecast zone
27 Mar 2003Heavy Snow—————Forecast zone
9 Mar 2003Heavy Snow—————Forecast zone
6 Mar 2003Heavy Snow—————Forecast zone
6 Mar 2003Heavy Snow—————Forecast zone
6 Mar 2003Heavy Snow—————Forecast zone
23 Feb 2003Heavy Snow—————Forecast zone
8 Feb 2003Heavy Snow—————Forecast zone
4 Feb 2003Heavy Snow—————Forecast zone
4 Feb 2003Heavy Snow—————Forecast zone
2 Feb 2003Heavy Snow—————Forecast zone
22 Jan 2003Heavy Snow—————Forecast zone
24 Nov 2002Heavy Snow—————Forecast zone
23 Nov 2002Heavy Snow—————Forecast zone
23 Nov 2002Heavy Snow—————Forecast zone
22 May 2002Heavy Snow—————Forecast zone
8 May 2002Heavy Snow—————Forecast zone
8 May 2002Heavy Snow—————Forecast zone
16 Apr 2002Heavy Snow—————Forecast zone
16 Apr 2002Heavy Snow—————Forecast zone
16 Apr 2002Heavy Snow—————Forecast zone
16 Apr 2002Heavy Snow—————Forecast zone

Questions and answers

How many winter events has Park County had?

29 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 Park County?

23 Oct 2004 (Heavy Snow). Records reach NCEI about 120 days after the month ends.

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

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

How does Park County compare with Montana for winter?

1.0 events per 100 square miles against 5.8 statewide; the county holds 29 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.