Hail history for Hays, Montana
NOAA hail reports in and within about 5 km (3 miles) of Hays since 1974, with preliminary reports to November 3, 2026.
Readout · Hays
- Last hail
- Jul 13, 2024
- 1.75 in, golf ball size
- Hail days, last 5 years
- 3
- since Nov 3, 2021 · 4 reports
- Largest ever
- 2.50 in
- tennis ball · Jul 6, 2022
15 reports on 11 days since 1974 · #64 of 111 Montana places
Hail map · Hays
- 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 Hays is from July 13, 2024. A local roofer can check and document it at no cost.
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What the record says about Hays
The latest hail report in and around Hays is from July 13, 2024, 1.75 in (golf ball size). Since November 3, 2021 there have been 3 separate hail days; the biggest stones in that time were 2.50 in on July 6, 2022.
Over the 20 years 2006–2025, Hays logged 9 reports on 6 hail days, about 0.5 reports a year. That is about the same as the median Montana town on this site (0.5 a year) and ranks #64 of 111 Montana cities and towns on this site for all-time reports. Hays accounts for 15% of the 102 reports filed in Blaine County.
13% 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 2.50 in (tennis ball) on July 6, 2022 near 2 SE Hays.
Reports were up 700% in 2016–2025 (8) compared with 2006–2015 (1). The busiest year was 2021, with 4 reports on 2 days. Hail here peaks in July (53% of reports); 40% fall between April and June.
Reports a year 2006–2025 average
- Hays 0.5
- Blaine County 3.2
- Median Montana town on this site 0.5
Hail days 2006–2025
- Hays 6
- Blaine County 31
- Median Montana town on this site 7
Share 2 in or larger of sized reports
- Hays 13%
- Blaine 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 | 1 | 1 | |||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 3 | 3 | |||||||||||
| 2021 | 3 | 1 | 4 | ||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jul 13, 2024 | 1 | 1.75 in | — |
| Jul 18, 2022 | 1 | 0.88 in | — |
| Jul 6, 2022 | 2 | 2.50 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jul 6, 2022 | 2.50 intennis ball | 2 SE Hays | Blaine | 16:12 local · NCEI |
| Jun 9, 2021 | 2.50 intennis ball | 0.83 NE Hays | Blaine | 18:20 local · NCEI |
| Jul 13, 2024 | 1.75 ingolf ball | 2.91 NNE St Pauls | Blaine | 14:38 local · NCEI |
| Jul 6, 2022 | 1.75 ingolf ball | 1 NNE Hays | Blaine | 15:40 local · NCEI |
| Jun 20, 1974 | 1.75 ingolf ball | — | Blaine | 20:30 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 4 27%
- 1–2 in 9 60%
- 2 in + 2 13%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jul 13, 2024 | 1.75 ingolf ball | 2.91 NNE St Pauls | Blaine | 14:38 local · NCEI |
| Jul 18, 2022 | 0.88 innickel | 1.46 NNW St Pauls | Blaine | 13:00 local · NCEI |
| Jul 6, 2022 | 2.50 intennis ball | 2 SE Hays | Blaine | 16:12 local · NCEI |
| Jul 6, 2022 | 1.75 ingolf ball | 1 NNE Hays | Blaine | 15:40 local · NCEI |
| Jul 6, 2021 | 1.25 inhalf dollar | 4 NNW Hays | Blaine | 17:15 local · NCEI |
| Jun 9, 2021 | 1.50 inping pong ball | 0.69 N Hays | Blaine | 21:55 local · NCEI |
| Jun 9, 2021 | 1.00 inquarter | 0.69 N Hays | Blaine | 21:05 local · NCEI |
| Jun 9, 2021 | 2.50 intennis ball | 0.83 NE Hays | Blaine | 18:20 local · NCEI |
| Jul 2, 2007 | 1.50 inping pong ball | 6 N Hays | Blaine | 17:30 local · NCEI |
| Aug 10, 2005 | 1.00 inquarter | Hays | Blaine | 15:10 local · NCEI |
| Jun 5, 2005 | 0.75 inpenny | Hays | Blaine | 13:20 local · NCEI |
| Jun 5, 2005 | 0.75 inpenny | Hays | Blaine | 13:10 local · NCEI |
Hail history near Hays
- Zortman 15 km · 19
Questions about hail in Hays
How often does it hail in Hays, Montana?
15 hail reports have been logged in and within about 5 km (3 miles) of Hays since 1974. Over the 20 years 2006–2025 that averages 0.5 reports a year. That ranks #64 of 111 Montana places by number of reports.
When is hail season in Hays?
Most reports come in July, June, August. July alone accounts for 53% of all reports.
What is the largest hail recorded in Hays?
2.50 in (tennis ball size) on July 6, 2022 near 2 SE Hays. 13% of reports here were 2 inches or larger.
When did it last hail in Hays?
The most recent report in this data is from July 13, 2024 (1.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Hays had in the last five years?
3 separate days with hail reports since November 3, 2021, adding up to 4 reports. The most recent was July 13, 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.