Hail history for Hysham, Montana
NOAA hail reports in and within about 5 km (3 miles) of Hysham since 1967, with preliminary reports to November 5, 2026.
Readout · Hysham
- Last hail
- Jun 30, 2024
- 1.75 in, golf ball size
- Hail days, last 5 years
- 1
- since Nov 5, 2021 · 2 reports
- Largest ever
- 2.75 in
- baseball · Jul 1, 2010
33 reports on 20 days since 1967 · #20 of 111 Montana places
Hail map · Hysham
- 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 Hysham
The latest hail report in and around Hysham is from June 30, 2024, 1.75 in (golf ball size). Since November 5, 2021 there has been one hail day; the biggest stones in that time were 1.75 in on June 30, 2024.
Over the 20 years 2006–2025, Hysham logged 20 reports on 9 hail days, about 1.0 reports a year. That is about twice the median Montana town on this site (0.5 a year) and ranks #20 of 111 Montana cities and towns on this site for all-time reports. Hysham accounts for 38% of the 87 reports filed in Treasure County.
15% 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 July 1, 2010 near 32.93 NNW Kuehn.
Reports were down 75% in 2016–2025 (4) compared with 2006–2015 (16). The busiest year was 2010, with 7 reports on 2 days. Hail here peaks in June (42% of reports); 61% fall between April and June.
Reports a year 2006–2025 average
- Hysham 1.0
- Treasure County 2.1
- Median Montana town on this site 0.5
Hail days 2006–2025
- Hysham 9
- Treasure County 20
- Median Montana town on this site 7
Share 2 in or larger of sized reports
- Hysham 15%
- Treasure County 12%
- 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 | 2 | |||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 1 | 1 | |||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Hail days since Nov 5, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jun 30, 2024 | 2 | 1.75 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jul 1, 2010 | 2.75 inbaseball | 32.93 NNW Kuehn | Treasure | 19:15 local · NCEI |
| Jun 28, 2001 | 2.75 inbaseball | Hysham | Treasure | 21:38 local · NCEI |
| Jun 28, 2001 | 2.75 inbaseball | Hysham | Treasure | 21:00 local · NCEI |
| Jul 1, 2010 | 2.00 inhen egg | 0.69 S Hysham | Treasure | 18:50 local · NCEI |
| Jun 19, 1991 | 2.00 inhen egg | — | Treasure | 20:35 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 7 21%
- 1–2 in 21 64%
- 2 in + 5 15%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jun 30, 2024 | 1.75 ingolf ball | 1.59 ENE Hysham Arpt | Treasure | 19:37 local · NCEI |
| Jun 30, 2024 | 1.00 inquarter | 1.99 NE Hysham Arpt | Treasure | 19:30 local · NCEI |
| Jun 20, 2019 | 0.88 innickel | 0.69 S Hysham | Treasure | 18:52 local · NCEI |
| Jul 27, 2016 | 1.50 inping pong ball | 0.69 S Hysham | Treasure | 18:39 local · NCEI |
| Jul 14, 2011 | 1.25 inhalf dollar | 0.69 S Hysham | Treasure | 17:43 local · NCEI |
| Jul 1, 2010 | 1.75 ingolf ball | 0.69 S Hysham | Treasure | 19:20 local · NCEI |
| Jul 1, 2010 | 1.75 ingolf ball | 1.59 ENE Hysham Arpt | Treasure | 19:20 local · NCEI |
| Jul 1, 2010 | 2.75 inbaseball | 32.93 NNW Kuehn | Treasure | 19:15 local · NCEI |
| Jul 1, 2010 | 2.00 inhen egg | 0.69 S Hysham | Treasure | 18:50 local · NCEI |
| May 27, 2010 | 1.00 inquarter | 0.69 N Hysham | Treasure | 21:55 local · NCEI |
| May 27, 2010 | 1.00 inquarter | 0.69 S Hysham | Treasure | 21:55 local · NCEI |
| May 27, 2010 | 0.88 innickel | 0.69 S Hysham | Treasure | 21:40 local · NCEI |
Hail history near Hysham
Questions about hail in Hysham
How often does it hail in Hysham, Montana?
33 hail reports have been logged in and within about 5 km (3 miles) of Hysham since 1967. Over the 20 years 2006–2025 that averages 1.0 reports a year. That ranks #20 of 111 Montana places by number of reports.
When is hail season in Hysham?
Most reports come in June, July, May. June alone accounts for 42% of all reports.
What is the largest hail recorded in Hysham?
2.75 in (baseball size) on July 1, 2010 near 32.93 NNW Kuehn. 15% of reports here were 2 inches or larger.
When did it last hail in Hysham?
The most recent report in this data is from June 30, 2024 (1.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 5, 2026.
How many hail storms has Hysham had in the last five years?
1 separate days with hail reports since November 5, 2021, adding up to 2 reports. The most recent was June 30, 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.