Hail history for Bozeman, Montana
NOAA hail reports in and within about 5 km (3 miles) of Bozeman since 1958, with preliminary reports to November 3, 2026.
Readout · Bozeman
- Last hail
- Aug 6, 2024
- 1.00 in, quarter size
- Hail days, last 5 years
- 3
- since Nov 3, 2021 · 5 reports
- Largest ever
- 2.75 in
- baseball · Jun 30, 2010
39 reports on 21 days since 1958 · #7 of 111 Montana places
Hail map · Bozeman
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
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What the record says about Bozeman
The latest hail report in and around Bozeman is from August 6, 2024, 1.00 in (quarter size). Since November 3, 2021 there have been 3 separate hail days; the biggest stones in that time were 1.00 in on August 6, 2024.
Over the 20 years 2006–2025, Bozeman logged 31 reports on 14 hail days, about 1.6 reports a year. That is 3.4 times the median Montana town on this site (0.5 a year) and ranks #7 of 111 Montana cities and towns on this site for all-time reports. Bozeman accounts for 41% of the 94 reports filed in Gallatin County.
3% of reports with a size were 2 inches (hen egg) or larger, against 8% for the median Montana town on this site. The largest hail on record here is 2.75 in (baseball) on June 30, 2010 near 4 ESE Belgrade.
Reports were down 28% in 2016–2025 (13) compared with 2006–2015 (18). The busiest year was 2020, with 6 reports on 1 day. Hail here peaks in July (41% of reports); 41% fall between April and June.
Reports a year 2006–2025 average
- Bozeman 1.6
- Gallatin County 3.0
- Median Montana town on this site 0.5
Hail days 2006–2025
- Bozeman 14
- Gallatin County 25
- Median Montana town on this site 7
Share 2 in or larger of sized reports
- Bozeman 3%
- Gallatin County 3%
- Median Montana town on this site 8%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 2 | 1 | 2 | 5 | |||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 1 | 1 | |||||||||||
| 2020 | 6 | 6 | |||||||||||
| 2019 | 1 | 1 | |||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Aug 6, 2024 | 2 | 1.00 in | — |
| Jul 25, 2024 | 1 | 1.00 in | — |
| Jun 30, 2024 | 2 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jun 30, 2010 | 2.75 inbaseball | 4 ESE Belgrade | Gallatin | 14:12 local · NCEI |
| Aug 1, 2013 | 1.75 ingolf ball | 4 ESE Belgrade | Gallatin | 17:15 local · NCEI |
| Jun 30, 2010 | 1.75 ingolf ball | 1 E Bozeman | Gallatin | 15:05 local · NCEI |
| Jul 22, 2008 | 1.75 ingolf ball | Bozeman | Gallatin | 17:25 local · NCEI |
| Jul 22, 2008 | 1.75 ingolf ball | Bozeman | Gallatin | 17:15 local · NCEI |
Size of every report
- Under 1 in 8 21%
- 1–2 in 30 77%
- 2 in + 1 3%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Aug 6, 2024 | 1.00 inquarter | 1.19 SW Bozeman | Gallatin | 16:18 local · NCEI |
| Aug 6, 2024 | 1.00 inquarter | 3.56 NE Bozeman Hot Spgs | Gallatin | 16:14 local · NCEI |
| Jul 25, 2024 | 1.00 inquarter | 3.38 W Bozeman | Gallatin | 15:49 local · NCEI |
| Jun 30, 2024 | 1.00 inquarter | 0.48 W Bozeman | Gallatin | 15:00 local · NCEI |
| Jun 30, 2024 | 1.00 inquarter | 1.61 WNW Matthews | Gallatin | 14:49 local · NCEI |
| Jul 4, 2021 | 0.75 inpenny | 5 SE Belgrade | Gallatin | 17:30 local · NCEI |
| Jul 7, 2020 | 1.00 inquarter | 5 S Bozeman | Gallatin | 14:40 local · NCEI |
| Jul 7, 2020 | 1.25 inhalf dollar | 5 S Bozeman | Gallatin | 12:57 local · NCEI |
| Jul 7, 2020 | 1.00 inquarter | 4 SSE Bozeman | Gallatin | 12:50 local · NCEI |
| Jul 7, 2020 | 1.00 inquarter | 2 E Bozeman | Gallatin | 12:30 local · NCEI |
| Jul 7, 2020 | 1.00 inquarter | 5 SSW Bozeman | Gallatin | 12:25 local · NCEI |
| Jul 7, 2020 | 1.00 inquarter | 4 ESE Bozeman Hot Spgs | Gallatin | 12:18 local · NCEI |
Questions about hail in Bozeman
How often does it hail in Bozeman, Montana?
39 hail reports have been logged in and within about 5 km (3 miles) of Bozeman since 1958. Over the 20 years 2006–2025 that averages 1.6 reports a year. That ranks #7 of 111 Montana places by number of reports.
When is hail season in Bozeman?
Most reports come in July, June, August. July alone accounts for 41% of all reports.
What is the largest hail recorded in Bozeman?
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 Bozeman?
The most recent report in this data is from August 6, 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 Bozeman had in the last five years?
3 separate days with hail reports since November 3, 2021, adding up to 5 reports. The most recent was August 6, 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.