Hail history for Powder River County, Montana
Every NOAA hail report filed in Powder River County since 1957, with preliminary National Weather Service reports to November 3, 2026.
Readout · Powder River County
- Last hail
- Jul 8, 2026
- 1.50 in, ping pong ball size
- Hail days, last 5 years
- 14
- since Nov 3, 2021 · 26 reports
- Largest ever
- 6.00 in
- softball · Jun 3, 1971
378 reports on 172 days since 1957 · #3 of 57 Montana counties
Hail map · Powder River County
- 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 Powder River County
The latest hail report in Powder River County is from July 8, 2026, 1.50 in (ping pong ball size). Since November 3, 2021 there have been 14 separate hail days; the biggest stones in that time were 2.50 in on June 20, 2025.
Over the 20 years 2006–2025, Powder River County logged 212 reports on 89 hail days, about 10.6 reports a year. That is 3.5 times the median Montana county (3.0 a year) and ranks #3 of 57 Montana counties for all-time reports. Powder River County holds 4% of all 8,453 hail reports in Montana.
10% 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 6.00 in (softball) on June 3, 1971, which ties or sets the Montana record.
Reports were down 37% in 2016–2025 (82) compared with 2006–2015 (130). The busiest year was 2015, with 30 reports on 8 days. Hail here peaks in June (50% of reports); 58% fall between April and June.
Reports a year 2006–2025 average
- Powder River County 10.6
- Median Montana county 3.0
Hail days 2006–2025
- Powder River County 89
- Median Montana county 31
Share 2 in or larger of sized reports
- Powder River County 10%
- Median Montana county 7%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 4 | 1 | 5 | ||||||||||
| 2025 | 4 | 4 | 4 | 1 | 13 | ||||||||
| 2024 | 1 | 1 | |||||||||||
| 2023 | 1 | 1 | 2 | ||||||||||
| 2022 | 2 | 3 | 5 | ||||||||||
| 2021 | 3 | 3 | |||||||||||
| 2020 | 1 | 2 | 11 | 14 | |||||||||
| 2019 | 8 | 9 | 2 | 2 | 21 | ||||||||
| 2018 | 2 | 10 | 1 | 13 | |||||||||
| 2017 | 1 | 1 | 2 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jul 8, 2026 | 1 | 1.50 in | — |
| Jun 27, 2026 | 1 | 1.75 in | — |
| Jun 7, 2026 | 3 | 1.75 in | — |
| Aug 5, 2025 | 1 | 1.25 in | — |
| Jul 23, 2025 | 1 | 1.00 in | — |
| Jul 20, 2025 | 3 | 1.50 in | — |
| Jun 20, 2025 | 1 | 2.50 in | — |
| Jun 12, 2025 | 3 | 1.75 in | — |
| Apr 27, 2025 | 4 | 2.00 in | — |
| Jun 14, 2024 | 1 | 1.00 in | — |
| Sep 4, 2023 | 1 | 1.00 in | — |
| Jun 23, 2023 | 1 | 1.25 in | — |
| Jul 3, 2022 | 3 | 1.50 in | — |
| Jun 11, 2022 | 2 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | Time · source |
|---|---|---|---|
| Jun 3, 1971 | 6.00 insoftball | — | 18:05 local · NCEI |
| Jul 18, 2001 | 4.50 insoftball | Broadus | 18:10 local · NCEI |
| Aug 3, 2013 | 4.25 ingrapefruit | 3.75 SSW (4bq)broadus Arpt | 18:20 local · NCEI |
| Jun 12, 2011 | 4.25 ingrapefruit | Biddle | 14:40 local · NCEI |
| Jun 28, 1996 | 3.00 inteacup | 8 E Broadus | 16:35 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 122 32%
- 1–2 in 218 58%
- 2 in + 36 10%
- No size 2
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Jul 8, 2026 | 1.50 inping pong ball | 8.85 NE Broadus | 12:55 local · NCEI |
| Jun 27, 2026 | 1.75 ingolf ball | 1.46 E Biddle | 14:02 local · NCEI |
| Jun 7, 2026 | 1.75 ingolf ball | 6.98 N Epsie | 13:30 local · NCEI |
| Jun 7, 2026 | 1.75 ingolf ball | 2 SW Olive | 13:30 local · NCEI |
| Jun 7, 2026 | 1.25 inhalf dollar | 1.46 NNW Olive | 13:24 local · NCEI |
| Aug 5, 2025 | 1.25 inhalf dollar | 10.47 N Biddle | 00:20 local · NCEI |
| Jul 23, 2025 | 1.00 inquarter | 11.25 ESE Sayle | 13:23 local · NCEI |
| Jul 20, 2025 | 1.00 inquarter | 0.84 NE Broadus | 19:04 local · NCEI |
| Jul 20, 2025 | 1.50 inping pong ball | 4.01 NE Broadus | 19:04 local · NCEI |
| Jul 20, 2025 | 1.00 inquarter | 2 SW Olive | 18:53 local · NCEI |
| Jun 20, 2025 | 2.50 intennis ball | Powderville | 15:15 local · NCEI |
| Jun 12, 2025 | 1.00 inquarter | 1.46 NNW Olive | 16:55 local · NCEI |
Cities and towns in Powder River County
Questions about hail in Powder River County
How often does it hail in Powder River County, Montana?
378 hail reports have been logged in Powder River County since 1957. Over the 20 years 2006–2025 that averages 10.6 reports a year. That ranks #3 of 57 Montana counties by number of reports.
When is hail season in Powder River County?
Most reports come in June, July, August. June alone accounts for 50% of all reports.
What is the largest hail recorded in Powder River County?
6.00 in (softball size) on June 3, 1971. 10% of reports here were 2 inches or larger.
When did it last hail in Powder River County?
The most recent report in this data is from July 8, 2026 (1.50 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Powder River County had in the last five years?
14 separate days with hail reports since November 3, 2021, adding up to 26 reports. The most recent was July 8, 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.