Hail history for Harlowton, Montana
NOAA hail reports in and within about 5 km (3 miles) of Harlowton since 1980, with preliminary reports to November 3, 2026.
Readout · Harlowton
- Last hail
- Jun 13, 2025
- 1.50 in, ping pong ball size
- Hail days, last 5 years
- 3
- since Nov 3, 2021 · 6 reports
- Largest ever
- 2.50 in
- tennis ball · Jun 24, 2007
30 reports on 21 days since 1980 · #22 of 111 Montana places
Hail map · Harlowton
- 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 Harlowton is from June 13, 2025. A local roofer can check and document it at no cost.
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What the record says about Harlowton
The latest hail report in and around Harlowton is from June 13, 2025, 1.50 in (ping pong ball size). Since November 3, 2021 there have been 3 separate hail days; the biggest stones in that time were 1.75 in on July 4, 2022.
Over the 20 years 2006–2025, Harlowton logged 16 reports on 9 hail days, about 0.8 reports a year. That is 78% more than the median Montana town on this site (0.5 a year) and ranks #22 of 111 Montana cities and towns on this site for all-time reports. Harlowton accounts for 28% of the 107 reports filed in Wheatland County.
7% 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 June 24, 2007 near (3ht)harlowton.
Reports were down 22% in 2016–2025 (7) compared with 2006–2015 (9). The busiest year was 2001, with 6 reports on 4 days. Hail here peaks in June (43% of reports); 50% fall between April and June.
Reports a year 2006–2025 average
- Harlowton 0.8
- Wheatland County 2.3
- Median Montana town on this site 0.5
Hail days 2006–2025
- Harlowton 9
- Wheatland County 28
- Median Montana town on this site 7
Share 2 in or larger of sized reports
- Harlowton 7%
- Wheatland County 7%
- 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 | 1 | 1 | |||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 5 | 5 | |||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 1 | 1 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jun 13, 2025 | 1 | 1.50 in | — |
| Jul 9, 2022 | 3 | 1.50 in | — |
| Jul 4, 2022 | 2 | 1.75 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jun 24, 2007 | 2.50 intennis ball | (3ht)harlowton | Wheatland | 17:50 local · NCEI |
| Jun 24, 2007 | 2.50 intennis ball | (3ht)harlowton | Wheatland | 17:47 local · NCEI |
| Jul 4, 2022 | 1.75 ingolf ball | 1.18 SW Harlowton | Wheatland | 17:55 local · NCEI |
| Jul 25, 2013 | 1.75 ingolf ball | 0.69 N (3ht)harlowton | Wheatland | 16:23 local · NCEI |
| Jul 2, 2010 | 1.75 ingolf ball | 0.84 SE Hrlwtn Whtlnd Co Arp | Wheatland | 15:28 local · NCEI |
Size of every report
- Under 1 in 11 37%
- 1–2 in 17 57%
- 2 in + 2 7%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jun 13, 2025 | 1.50 inping pong ball | 0.69 N Harlowton | Wheatland | 14:20 local · NCEI |
| Jul 9, 2022 | 1.00 inquarter | 0.48 W Harlowton | Wheatland | 17:25 local · NCEI |
| Jul 9, 2022 | 1.25 inhalf dollar | 1.18 NW Harlowton | Wheatland | 17:19 local · NCEI |
| Jul 9, 2022 | 1.50 inping pong ball | 1.18 NW Harlowton | Wheatland | 17:16 local · NCEI |
| Jul 4, 2022 | 1.25 inhalf dollar | 1.68 SW Harlowton | Wheatland | 18:15 local · NCEI |
| Jul 4, 2022 | 1.75 ingolf ball | 1.18 SW Harlowton | Wheatland | 17:55 local · NCEI |
| Jun 12, 2017 | 0.88 innickel | 0.84 NW Harlowton | Wheatland | 18:25 local · NCEI |
| Jul 25, 2013 | 1.75 ingolf ball | 0.69 N (3ht)harlowton | Wheatland | 16:23 local · NCEI |
| Jul 25, 2013 | 1.25 inhalf dollar | 0.69 N Harlowton | Wheatland | 16:18 local · NCEI |
| Jul 2, 2010 | 1.75 ingolf ball | 0.84 SE Hrlwtn Whtlnd Co Arp | Wheatland | 15:28 local · NCEI |
| Aug 14, 2009 | 0.75 inpenny | 0.69 N (3ht)harlowton | Wheatland | 14:10 local · NCEI |
| Aug 14, 2009 | 0.75 inpenny | 0.48 E Harlowton | Wheatland | 14:05 local · NCEI |
Hail history near Harlowton
- Shawmut 27 km · 12
- Judith Gap 28 km · 11
- Ryegate 47 km · 12
- Golden Valley Colony 47 km · 11
Questions about hail in Harlowton
How often does it hail in Harlowton, Montana?
30 hail reports have been logged in and within about 5 km (3 miles) of Harlowton since 1980. Over the 20 years 2006–2025 that averages 0.8 reports a year. That ranks #22 of 111 Montana places by number of reports.
When is hail season in Harlowton?
Most reports come in June, July, May. June alone accounts for 43% of all reports.
What is the largest hail recorded in Harlowton?
2.50 in (tennis ball size) on June 24, 2007 near (3ht)harlowton. 7% of reports here were 2 inches or larger.
When did it last hail in Harlowton?
The most recent report in this data is from June 13, 2025 (1.50 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Harlowton had in the last five years?
3 separate days with hail reports since November 3, 2021, adding up to 6 reports. The most recent was June 13, 2025.
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.