Hail History

Hail history for Shawmut, Montana

NOAA hail reports in and within about 5 km (3 miles) of Shawmut since 1999, with preliminary reports to November 3, 2026.

Readout · Shawmut

Last hail
Jul 21, 2025
2.00 in, hen egg size
Hail days, last 5 years
1
since Nov 3, 2021 · 1 report
Largest ever
2.00 in
hen egg · Jul 21, 2025

12 reports on 9 days since 1999 · #84 of 111 Montana places

Hail map · Shawmut

Shawmut Ryegate Golden Valley Colony Harlowton Judith Gap 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
12 most recent reports with a location; Wheatland County is shaded. Open street map

For homeowners

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What the record says about Shawmut

The latest hail report in and around Shawmut is from July 21, 2025, 2.00 in (hen egg size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 2.00 in on July 21, 2025.

Over the 20 years 2006–2025, Shawmut logged 6 reports on 5 hail days, about 0.3 reports a year. That is 33% less than the median Montana town on this site (0.5 a year) and ranks #84 of 111 Montana cities and towns on this site for all-time reports. Shawmut accounts for 11% of the 107 reports filed in Wheatland County.

8% 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 2.00 in (hen egg) on July 21, 2025 near Shawmut.

The busiest year was 2005, with 3 reports on 2 days. Hail here peaks in May (42% of reports); 83% fall between April and June.

Reports a year 2006–2025 average

  • Shawmut 0.3
  • Wheatland County 2.3
  • Median Montana town on this site 0.5

Hail days 2006–2025

  • Shawmut 5
  • Wheatland County 28
  • Median Montana town on this site 7

Share 2 in or larger of sized reports

  • Shawmut 8%
  • Wheatland County 7%
  • Median Montana town on this site 8%

Hail over time

0123 1999: 1 reports, largest 0.75 in 2000 2001: 2 reports, largest 1.00 in 2005: 3 reports, largest 1.00 in 2005 2009: 1 reports, largest 0.88 in 2010 2015 2018: 2 reports, largest 1.00 in 2019: 1 reports, largest 1.50 in 2020: 1 reports, largest 0.88 in 2020 2025: 1 reports, largest 2.00 in 2025
Reports per year, 1999–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0246 Jan Feb Mar Apr May: 5 reports (42%) May June: 5 reports (42%) Jun July: 1 reports (8%) Jul August: 1 reports (8%) Aug Sep Oct Nov Dec
All 12 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 1 1
2024 0
2023 0
2022 0
2021 0
2020 1 1
2019 1 1
2018 2 2
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Jul 21, 2025 1 2.00 in —

Largest hail on record

Largest hail reports in Shawmut
Date Size Location County Time · source
Jul 21, 2025 2.00 inhen egg Shawmut Wheatland 18:16 local · NCEI
Aug 11, 2019 1.50 inping pong ball Shawmut Wheatland 15:45 local · NCEI
May 31, 2018 1.00 inquarter 0.84 NW Shawmut Wheatland 14:52 local · NCEI
May 31, 2018 1.00 inquarter Shawmut Wheatland 14:20 local · NCEI
May 20, 2005 1.00 inquarter Shawmut Wheatland 16:00 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Shawmut
Date Size Location County Time · source
Jul 21, 2025 2.00 inhen egg Shawmut Wheatland 18:16 local · NCEI
May 19, 2020 0.88 innickel Shawmut Wheatland 18:50 local · NCEI
Aug 11, 2019 1.50 inping pong ball Shawmut Wheatland 15:45 local · NCEI
May 31, 2018 1.00 inquarter 0.84 NW Shawmut Wheatland 14:52 local · NCEI
May 31, 2018 1.00 inquarter Shawmut Wheatland 14:20 local · NCEI
Jun 29, 2009 0.88 innickel Shawmut Wheatland 19:00 local · NCEI
Jun 27, 2005 0.75 inpenny Shawmut Wheatland 16:30 local · NCEI
May 20, 2005 1.00 inquarter Shawmut Wheatland 16:00 local · NCEI
May 20, 2005 1.00 inquarter Shawmut Wheatland 16:00 local · NCEI
Jun 28, 2001 0.75 inpenny Shawmut Wheatland 18:05 local · NCEI
Jun 28, 2001 1.00 inquarter Shawmut Wheatland 18:02 local · NCEI
Jun 19, 1999 0.75 inpenny Shawmut Wheatland 16:25 local · NCEI

Hail history near Shawmut

Questions about hail in Shawmut

How often does it hail in Shawmut, Montana?

12 hail reports have been logged in and within about 5 km (3 miles) of Shawmut since 1999. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #84 of 111 Montana places by number of reports.

When is hail season in Shawmut?

Most reports come in May, June, July. May alone accounts for 42% of all reports.

What is the largest hail recorded in Shawmut?

2.00 in (hen egg size) on July 21, 2025 near Shawmut. 8% of reports here were 2 inches or larger.

When did it last hail in Shawmut?

The most recent report in this data is from July 21, 2025 (2.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Shawmut had in the last five years?

1 separate days with hail reports since November 3, 2021, adding up to 1 reports. The most recent was July 21, 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.