Hail history for Park County, Montana
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
- Jul 29, 2025
- 1.25 in, half dollar size
- Hail days, last 5 years
- 3
- since Nov 3, 2021 · 3 reports
- Largest ever
- 1.75 in
- golf ball · Jul 28, 2023
58 reports on 41 days since 1955 · #42 of 57 Montana counties
Hail map · Park County
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
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 July 29, 2025. A local roofer can check and document it at no cost.
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What the record says about Park County
The latest hail report in Park County is from July 29, 2025, 1.25 in (half dollar size). Since November 3, 2021 there have been 3 separate hail days; the biggest stones in that time were 1.75 in on July 28, 2023.
Over the 20 years 2006–2025, Park County logged 41 reports on 26 hail days, about 2.0 reports a year. That is 33% less than the median Montana county (3.0 a year) and ranks #42 of 57 Montana counties for all-time reports. Park County holds 1% of all 8,453 hail reports in Montana.
0% of reports with a size were 2 inches (hen egg) or larger, against 7% for the median Montana county. The largest hail on record here is 1.75 in (golf ball) on July 28, 2023 near 5.95 WSW Wilsall Arpt.
Reports were down 36% in 2016–2025 (16) compared with 2006–2015 (25). The busiest year was 2010, with 9 reports on 4 days. Hail here peaks in June (29% of reports); 45% fall between April and June.
Reports a year 2006–2025 average
- Park County 2.0
- Median Montana county 3.0
Hail days 2006–2025
- Park County 26
- Median Montana county 31
Share 2 in or larger of sized reports
- Park County 0%
- Median Montana county 7%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 1 | 1 | |||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 1 | 1 | |||||||||||
| 2022 | 1 | 1 | |||||||||||
| 2021 | 1 | 1 | |||||||||||
| 2020 | 1 | 1 | |||||||||||
| 2019 | 1 | 1 | 1 | 3 | |||||||||
| 2018 | 3 | 1 | 4 | ||||||||||
| 2017 | 3 | 3 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jul 29, 2025 | 1 | 1.25 in | — |
| Jul 28, 2023 | 1 | 1.75 in | — |
| Jul 3, 2022 | 1 | 0.75 in | — |
Largest hail on record
| Date | Size | Location | Time · source |
|---|---|---|---|
| Jul 28, 2023 | 1.75 ingolf ball | 5.95 WSW Wilsall Arpt | 15:44 local · NCEI |
| Jun 30, 2010 | 1.75 ingolf ball | 6.83 NW Hunters Hot Spgs | 15:40 local · NCEI |
| Jul 18, 1997 | 1.75 ingolf ball | Livingston | 17:00 local · NCEI |
| Jul 10, 2017 | 1.50 inping pong ball | 1.38 S Pine Creek | 13:31 local · NCEI |
| Jul 1, 2010 | 1.50 inping pong ball | 4.21 SE Clyde Park | 13:20 local · NCEI |
Size of every report
- Under 1 in 26 46%
- 1–2 in 31 54%
- 2 in + 0 0%
- No size 1
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Jul 29, 2025 | 1.25 inhalf dollar | 0.84 SE Wilsall | 14:35 local · NCEI |
| Jul 28, 2023 | 1.75 ingolf ball | 5.95 WSW Wilsall Arpt | 15:44 local · NCEI |
| Jul 3, 2022 | 0.75 inpenny | 5.35 SW Livingston | 14:08 local · NCEI |
| Jun 4, 2021 | 1.00 inquarter | 0.69 N Wilsall | 19:45 local · NCEI |
| Jul 7, 2020 | 0.75 inpenny | 4.17 N Grannis | 13:02 local · NCEI |
| Aug 11, 2019 | 1.00 inquarter | 4.17 N Grannis | 13:06 local · NCEI |
| Jul 7, 2019 | 0.88 innickel | Clyde Park | 16:25 local · NCEI |
| May 26, 2019 | 1.00 inquarter | 4.26 SSE Livingstn Mission Fl | 14:41 local · NCEI |
| Aug 3, 2018 | 0.88 innickel | 1.19 NE Brisbin | 12:43 local · NCEI |
| May 31, 2018 | 0.88 innickel | 7.92 ENE Grannis | 14:35 local · NCEI |
| May 31, 2018 | 1.00 inquarter | 4.17 N Grannis | 14:14 local · NCEI |
| May 26, 2018 | 1.00 inquarter | 3.67 SE Livingstn Mission Fl | 19:05 local · NCEI |
Smaller places with fewer than 10 reports
These places have too few reports for a page of their own, so their record lives here.
| Place | Reports | Hail days | Latest |
|---|---|---|---|
| Livingston | 8 | 7 | May 18, 2014 |
| Wilsall | 7 | 7 | Jul 29, 2025 |
| Clyde Park | 4 | 4 | Jul 7, 2019 |
| Pray | 3 | 2 | Jul 10, 2017 |
| Wineglass | 3 | 3 | Jul 3, 2022 |
| Emigrant | 2 | 2 | Jul 16, 2016 |
| Pine Creek | 2 | 2 | Aug 3, 2018 |
| Silver Gate | 1 | 1 | Jul 10, 2017 |
Questions about hail in Park County
How often does it hail in Park County, Montana?
58 hail reports have been logged in Park County since 1955. Over the 20 years 2006–2025 that averages 2.0 reports a year. That ranks #42 of 57 Montana counties by number of reports.
When is hail season in Park County?
Most reports come in June, July, August. June alone accounts for 29% of all reports.
What is the largest hail recorded in Park County?
1.75 in (golf ball size) on July 28, 2023 near 5.95 WSW Wilsall Arpt. 0% 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 July 29, 2025 (1.25 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?
3 separate days with hail reports since November 3, 2021, adding up to 3 reports. The most recent was July 29, 2025.
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.