Hail History

Hail history for Park County, Wyoming

Every NOAA hail report filed in Park County since 1955, with preliminary National Weather Service reports to November 3, 2026.

Readout · Park County

Last hail
Jun 25, 2026
0.88 in, nickel size
Hail days, last 5 years
8
since Nov 3, 2021 · 8 reports
Largest ever
2.00 in
hen egg · Jul 18, 1997

67 reports on 57 days since 1955 · #14 of 22 Wyoming counties

Hail map · Park County

Cody 25 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
64 most recent reports with a location. Dot size and colour follow hail size. Open street map

For homeowners

Roof damage after hail? Get a free inspection

Hail bruises shingles and cracks seals in ways you can't see from the ground, and most insurers set a claim deadline after the storm. The latest hail report in Park County is from June 25, 2026. A local roofer can check and document it at no cost.

Phone line opening soon

What would a claim cost you? Try the hail claim calculator

Preview: this form is not connected yet. Nothing you enter is sent or stored.

Roofer? Get hail alerts for your area with StormScope

What the record says about Park County

The latest hail report in Park County is from June 25, 2026, 0.88 in (nickel size). Since November 3, 2021 there have been 8 separate hail days; the biggest stones in that time were 1.75 in on May 25, 2023.

Over the 20 years 2006–2025, Park County logged 34 reports on 31 hail days, about 1.7 reports a year. That is 38% of the median Wyoming county (4.5 a year) and ranks #14 of 22 Wyoming counties for all-time reports. Park County holds 1% of all 4,952 hail reports in Wyoming.

3% of reports with a size were 2 inches (hen egg) or larger, against 5% for the median Wyoming county. The largest hail on record here is 2.00 in (hen egg) on July 18, 1997 near Meeteetse.

Reports were down 52% in 2016–2025 (11) compared with 2006–2015 (23). The busiest year was 2013, with 6 reports on 5 days. Hail here peaks in June (37% of reports); 58% fall between April and June.

Reports a year 2006–2025 average

  • Park County 1.7
  • Median Wyoming county 4.5

Hail days 2006–2025

  • Park County 31
  • Median Wyoming county 55.5

Share 2 in or larger of sized reports

  • Park County 3%
  • Median Wyoming county 5%

Hail over time

0246 1955: 1 reports, largest 1.75 in 1960 1964: 1 reports, largest 2.00 in 1970 1975: 1 reports, largest 1.50 in 1977: 3 reports, largest 1.75 in 1980 1984: 1 reports, largest 1.75 in 1986: 1 reports, largest 0.75 in 1989: 3 reports, largest 0.75 in 1990 1991: 5 reports, largest 1.75 in 1994: 1 reports, largest 1.75 in 1995: 2 reports, largest 1.00 in 1997: 1 reports, largest 2.00 in 1998: 3 reports, largest 1.75 in 2000: 2 reports, largest 1.75 in 2000 2001: 1 reports, largest 0.75 in 2002: 2 reports, largest 1.25 in 2004: 2 reports, largest 1.00 in 2005: 1 reports, largest 1.75 in 2006: 1 reports, largest 0.75 in 2007: 1 reports, largest 1.00 in 2008: 2 reports, largest 0.75 in 2009: 2 reports, largest 1.00 in 2010: 3 reports, largest 1.00 in 2010 2011: 3 reports, largest 1.00 in 2013: 6 reports, largest 1.00 in 2014: 2 reports, largest 0.88 in 2015: 3 reports, largest 1.00 in 2017: 1 reports, largest 0.88 in 2018: 2 reports, largest 1.00 in 2019: 2 reports, largest 0.88 in 2020 2022: 1 reports, largest 0.88 in 2023: 2 reports, largest 1.75 in 2025: 3 reports, largest 1.00 in 2026: 2 reports, largest 0.88 in
Reports per year, 1955–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0102030 Jan Feb Mar April: 1 reports (1%) Apr May: 13 reports (19%) May June: 25 reports (37%) Jun July: 16 reports (24%) Jul August: 7 reports (10%) Aug September: 5 reports (7%) Sep Oct Nov Dec
All 67 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 2 2
2025 111 3
2024 0
2023 2 2
2022 1 1
2021 0
2020 0
2019 11 2
2018 11 2
2017 1 1

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Jun 25, 2026 1 0.88 in —
Jun 24, 2026 1 0.88 in —
Jul 18, 2025 1 0.75 in —
Jun 1, 2025 1 1.00 in —
Apr 27, 2025 1 1.00 in —
May 26, 2023 1 1.00 in —
May 25, 2023 1 1.75 in —
Jun 7, 2022 1 0.88 in —

Largest hail on record

Largest hail reports in Park County
Date Size Location Damage Time · source
Jul 18, 1997 2.00 inhen egg Meeteetse — 18:00 local · NCEI
Jun 29, 1964 2.00 inhen egg — — 16:00 local · NCEI
May 25, 2023 1.75 ingolf ball 0.69 N Meeteetse $5K 13:33 local · NCEI
Jun 1, 2005 1.75 ingolf ball Powell — 12:03 local · NCEI
Jun 9, 2000 1.75 ingolf ball Powell $500K 12:40 local · NCEI

Sizes filed before 1996 are often rough estimates (round numbers like 7.00 or 8.00 in) without an exact spot; they are shown as NOAA filed them.

Size of every report

Most recent reports

Most recent hail reports in Park County
Date Size Location Damage Time · source
Jun 25, 2026 0.88 innickel 10 ESE Cody — 16:46 local · NCEI
Jun 24, 2026 0.88 innickel 7 SW Cody — 19:25 local · NCEI
Jul 18, 2025 0.75 inpenny 5 SW Powell — 16:30 local · NCEI
Jun 1, 2025 1.00 inquarter Mammoth Hot Springs — 17:15 local · NCEI
Apr 27, 2025 1.00 inquarter 3.41 SW Meeteetse — 14:50 local · NCEI
May 26, 2023 1.00 inquarter 13.51 ESE (Cod)yellowstone Apt — 14:05 local · NCEI
May 25, 2023 1.75 ingolf ball 0.69 N Meeteetse $5K 13:33 local · NCEI
Jun 7, 2022 0.88 innickel 2 NNW Powell — 17:30 local · NCEI
Jun 6, 2019 0.75 inpenny 11.48 SW Norris — 13:45 local · NCEI
May 16, 2019 0.88 innickel 4 W Meeteetse — 17:00 local · NCEI
Jun 6, 2018 1.00 inquarter 7 E Pitchfork — 15:03 local · NCEI
May 21, 2018 1.00 inquarter 10 ENE Cody — 13:28 local · NCEI

Cities and towns in Park County

PlaceReportsLargest
Cody151.75 in

Smaller places with fewer than 10 reports

These places have too few reports for a page of their own, so their record lives here.

PlaceReportsHail daysLatest
Powell88Jun 7, 2022
Meeteetse66Apr 27, 2025
Ralston44Jul 18, 2025
Mammoth11Jun 1, 2025

Questions about hail in Park County

How often does it hail in Park County, Wyoming?

67 hail reports have been logged in Park County since 1955. Over the 20 years 2006–2025 that averages 1.7 reports a year. That ranks #14 of 22 Wyoming counties by number of reports.

When is hail season in Park County?

Most reports come in June, July, May. June alone accounts for 37% of all reports.

What is the largest hail recorded in Park County?

2.00 in (hen egg size) on July 18, 1997 near Meeteetse. 3% of reports here were 2 inches or larger.

When did it last hail in Park County?

The most recent report in this data is from June 25, 2026 (0.88 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Park County had in the last five years?

8 separate days with hail reports since November 3, 2021, adding up to 8 reports. The most recent was June 25, 2026.

Where does this hail data come from?

Hail reports come from the NOAA NCEI Storm Events Database, which the National Weather Service compiles from spotter, public, law enforcement and media reports. Recent days use preliminary NWS Local Storm Reports via the Iowa Environmental Mesonet until NOAA publishes final data. Only reported hail is counted, so areas with fewer people tend to have fewer reports.