County Hazards

States › Montana › Park County › Hail

Hail in Park County, Montana

58 hail events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Hail.

58 events · 0 deaths recorded · peak month June · county share of state 0.7%

2025-07-29: Hail2023-07-28: Hail2022-07-03: Hail2021-06-04: Hail2020-07-07: Hail2019-08-11: Hail2019-07-07: Hail2019-05-26: Hail2018-08-03: Hail2018-05-31: Hail2018-05-31: Hail2018-05-26: Hail2017-07-16: Hail2017-07-10: Hail2017-07-10: Hail2016-07-16: Hail2014-05-18: Hail2013-08-01: Hail2013-06-13: Hail2013-06-13: Hail2013-06-13: Hail2013-06-13: Hail2010-08-03: Hail2010-07-01: Hail2010-06-30: Hail2010-06-30: Hail2010-06-30: Hail2010-06-30: Hail2010-06-30: Hail2010-06-30: Hail2010-06-15: Hail2009-08-14: Hail2009-08-06: Hail2007-05-13: Hail2007-05-13: Hail2006-08-17: Hail2006-08-17: Hail2006-08-16: Hail2006-08-16: Hail2006-08-16: Hail2006-08-16: Hail2005-06-27: Hail2004-08-05: Hail2003-08-11: Hail2002-06-29: Hail2002-05-30: Hail1999-06-19: Hail1998-07-31: Hail1998-07-31: Hail1997-08-18: Hail1997-07-18: Hail1997-07-18: Hail1973-07-29: Hail1970-07-21: Hail1966-06-30: Hail1963-05-04: Hail1955-08-15: Hail
Hail event locations in and around Park County. Dots: Hail event locations in the kept record. 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 58 hail events in Park County, Montana, between 1950 and 2026, spread over 27 years.

June is the busiest month, with 17 of the recorded events. The last 20 years account for 35 events against 18 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 0.7% of the 8,391 hail events recorded in Montana; its 2.1 per 100 square miles compares with 5.8 statewide.

3 of the hail reports with a recorded size were golf-ball size (1.75 inches) or larger; the largest recorded stone was 1.75 inches (golf ball size).

Compared with Montana

MeasurePark CountyMontanaUS
Hail events since 1950588,391424,356
Per 100 square miles2.15.812.0
Per 10,000 residents33.276.012.8
Deaths recorded0029
Busiest monthJuneJulyMay

By year

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

Seasonality

Jan
0
Feb
0
Mar
0
Apr
0
May
9
Jun
17
Jul
16
Aug
16
Sep
0
Oct
0
Nov
0
Dec
0
Hail events in Park County by month of occurrence, all years.

Magnitude distribution

under 1 in27
1–1.74 in28
1.75–2.74 in3
2.75–3.99 in0
4 in and larger0
NWS hail-size descriptors
under 1 in
pea to quarter
1–1.74 in
quarter to golf ball
1.75–2.74 in
golf ball to baseball
2.75–3.99 in
baseball to softball
4 in and larger
softball and larger

Hail size in inches as recorded by NCEI; events without a size are not binned.

Recorded events

All 58 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
29 Jul 2025Hail1.25 in————County
28 Jul 2023Hail1.75 in————County
3 Jul 2022Hail0.75 in————County
4 Jun 2021Hail1.00 in————County
7 Jul 2020Hail0.75 in————County
11 Aug 2019Hail1.00 in————County
7 Jul 2019Hail0.88 in————County
26 May 2019Hail1.00 in————County
3 Aug 2018Hail0.88 in————County
31 May 2018Hail1.00 in————County
31 May 2018Hail0.88 in————County
26 May 2018Hail1.00 in————County
16 Jul 2017Hail1.00 in————County
10 Jul 2017Hail1.50 in————County
10 Jul 2017Hail0.88 in————County
16 Jul 2016Hail0.88 in————County
18 May 2014Hail1.00 in————County
1 Aug 2013Hail1.00 in————County
13 Jun 2013Hail1.00 in————County
13 Jun 2013Hail1.00 in————County
13 Jun 2013Hail1.00 in————County
13 Jun 2013Hail1.00 in————County
3 Aug 2010Hail0.88 in————County
1 Jul 2010Hail1.50 in————County
30 Jun 2010Hail1.75 in————County
30 Jun 2010Hail1.50 in————County
30 Jun 2010Hail1.00 in————County
30 Jun 2010Hail1.00 in————County
30 Jun 2010Hail1.50 in————County
30 Jun 2010Hail1.00 in————County
15 Jun 2010Hail0.75 in————County
14 Aug 2009Hail0.75 in————County
6 Aug 2009Hail0.75 in————County
13 May 2007Hail1.00 in————County
13 May 2007Hail1.00 in————County
17 Aug 2006Hail1.00 in————County
17 Aug 2006Hail0.88 in————County
16 Aug 2006Hail1.00 in————County
16 Aug 2006Hail0.75 in————County
16 Aug 2006Hail0.88 in————County
16 Aug 2006Hail0.88 in————County
27 Jun 2005Hail1.00 in————County
24 Jun 2005Hail0.88 in————County
5 Aug 2004Hail0.88 in————County
11 Aug 2003Hail0.75 in————County
29 Jun 2002Hail1.00 in————County
30 May 2002Hail0.75 in————County
19 Jun 1999Hail0.75 in————County
31 Jul 1998Hail0.75 in————County
31 Jul 1998Hail0.75 in————County
18 Aug 1997Hail1.00 in————County
18 Jul 1997Hail0.75 in————County
18 Jul 1997Hail1.75 in————County
29 Jul 1973Hail1.00 in————County
21 Jul 1970Hail0.75 in————County
30 Jun 1966Hail0.75 in————County
4 May 1963Hail0.75 in————County
15 Aug 1955Hail0.00 in————County

Questions and answers

How many hail events has Park County had?

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

When was the last recorded hail event in Park County?

29 Jul 2025 (Hail, 1.25 in). Records reach NCEI about 120 days after the month ends.

What was the most damaging hail 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 hail?

2.1 events per 100 square miles against 5.8 statewide; the county holds 58 of the state's 8,391 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 Hail hub and the county page.