Hail history for Gallatin County, Montana
Every NOAA hail report filed in Gallatin County since 1958, with preliminary National Weather Service reports to November 3, 2026.
Readout · Gallatin County
- Last hail
- Aug 19, 2024
- 1.00 in, quarter size
- Hail days, last 5 years
- 6
- since Nov 3, 2021 · 11 reports
- Largest ever
- 2.75 in
- baseball · Jun 30, 2010
94 reports on 53 days since 1958 · #36 of 57 Montana counties
Hail map · Gallatin 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 Gallatin County is from August 19, 2024. A local roofer can check and document it at no cost.
Phone line opening soon
What the record says about Gallatin County
The latest hail report in Gallatin County is from August 19, 2024, 1.00 in (quarter size). Since November 3, 2021 there have been 6 separate hail days; the biggest stones in that time were 1.75 in on July 28, 2023.
Over the 20 years 2006–2025, Gallatin County logged 60 reports on 25 hail days, about 3.0 reports a year. That is about the same as the median Montana county (3.0 a year) and ranks #36 of 57 Montana counties for all-time reports. Gallatin County holds 1% of all 8,453 hail reports in Montana.
3% 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 2.75 in (baseball) on June 30, 2010 near 4 ESE Belgrade.
Reports were down 18% in 2016–2025 (27) compared with 2006–2015 (33). The busiest year was 2020, with 13 reports on 2 days. Hail here peaks in July (38% of reports); 38% fall between April and June.
Reports a year 2006–2025 average
- Gallatin County 3.0
- Median Montana county 3.0
Hail days 2006–2025
- Gallatin County 25
- Median Montana county 31
Share 2 in or larger of sized reports
- Gallatin County 3%
- Median Montana county 7%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 2 | 2 | 3 | 7 | |||||||||
| 2023 | 2 | 2 | 4 | ||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 1 | 1 | |||||||||||
| 2020 | 10 | 3 | 13 | ||||||||||
| 2019 | 2 | 2 | |||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Aug 19, 2024 | 1 | 1.00 in | — |
| Aug 6, 2024 | 2 | 1.00 in | — |
| Jul 25, 2024 | 2 | 1.00 in | — |
| Jun 30, 2024 | 2 | 1.00 in | — |
| Jul 28, 2023 | 2 | 1.75 in | — |
| May 25, 2023 | 2 | 1.75 in | — |
Largest hail on record
| Date | Size | Location | Time · source |
|---|---|---|---|
| Jun 30, 2010 | 2.75 inbaseball | 4 ESE Belgrade | 14:12 local · NCEI |
| Jun 21, 1988 | 2.25 inhen egg | — | 15:30 local · NCEI |
| Jun 30, 2010 | 2.00 inhen egg | 5 W Bozeman | 15:00 local · NCEI |
| Jul 28, 2023 | 1.75 ingolf ball | 6.67 NNE Sedan | 15:33 local · NCEI |
| Jul 28, 2023 | 1.75 ingolf ball | 2.34 SSW Sedan | 15:16 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
- Under 1 in 23 24%
- 1–2 in 68 72%
- 2 in + 3 3%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Aug 19, 2024 | 1.00 inquarter | 2 NE Manhattan | 15:45 local · NCEI |
| Aug 6, 2024 | 1.00 inquarter | 1.19 SW Bozeman | 16:18 local · NCEI |
| Aug 6, 2024 | 1.00 inquarter | 3.56 NE Bozeman Hot Spgs | 16:14 local · NCEI |
| Jul 25, 2024 | 1.00 inquarter | 2.51 ENE Bozeman Hot Spgs | 15:53 local · NCEI |
| Jul 25, 2024 | 1.00 inquarter | 3.38 W Bozeman | 15:49 local · NCEI |
| Jun 30, 2024 | 1.00 inquarter | 0.48 W Bozeman | 15:00 local · NCEI |
| Jun 30, 2024 | 1.00 inquarter | 1.61 WNW Matthews | 14:49 local · NCEI |
| Jul 28, 2023 | 1.75 ingolf ball | 6.67 NNE Sedan | 15:33 local · NCEI |
| Jul 28, 2023 | 1.75 ingolf ball | 2.34 SSW Sedan | 15:16 local · NCEI |
| May 25, 2023 | 1.75 ingolf ball | 1.46 NNE Bozeman Hot Spgs | 16:30 local · NCEI |
| May 25, 2023 | 1.50 inping pong ball | 2.53 NW Bozeman Hot Spgs | 16:23 local · NCEI |
| Jul 4, 2021 | 0.75 inpenny | 5 SE Belgrade | 17:30 local · NCEI |
Cities and towns in Gallatin County
| Place | Reports | Largest |
|---|---|---|
| Bozeman | 39 | 2.75 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.
| Place | Reports | Hail days | Latest |
|---|---|---|---|
| Four Corners | 8 | 5 | May 25, 2023 |
| Big Sky | 5 | 5 | Jul 22, 2021 |
| Belgrade | 4 | 3 | Aug 11, 2019 |
| Churchill | 4 | 4 | Jun 1, 2015 |
| Amsterdam | 3 | 2 | Aug 1, 2013 |
| Sedan | 3 | 1 | Jul 28, 2023 |
| Gallatin Gateway | 2 | 2 | Jul 7, 2020 |
| Wheatland | 2 | 2 | Jun 6, 2011 |
| Gallatin River Ranch | 1 | 1 | Aug 19, 2024 |
| King Arthur Park | 1 | 1 | Jul 25, 2024 |
| Manhattan | 1 | 1 | Aug 16, 1998 |
| Ponderosa Pines | 1 | 1 | Jul 8, 2003 |
| Three Forks | 1 | 1 | Aug 4, 2002 |
| West Yellowstone | 1 | 1 | Jun 18, 1999 |
Questions about hail in Gallatin County
How often does it hail in Gallatin County, Montana?
94 hail reports have been logged in Gallatin County since 1958. Over the 20 years 2006–2025 that averages 3.0 reports a year. That ranks #36 of 57 Montana counties by number of reports.
When is hail season in Gallatin County?
Most reports come in July, June, August. July alone accounts for 38% of all reports.
What is the largest hail recorded in Gallatin County?
2.75 in (baseball size) on June 30, 2010 near 4 ESE Belgrade. 3% of reports here were 2 inches or larger.
When did it last hail in Gallatin County?
The most recent report in this data is from August 19, 2024 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Gallatin County had in the last five years?
6 separate days with hail reports since November 3, 2021, adding up to 11 reports. The most recent was August 19, 2024.
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.