Hail History

Hail history for Treasure County, Montana

Every NOAA hail report filed in Treasure County since 1967, with preliminary National Weather Service reports to November 3, 2026.

Readout · Treasure County

Last hail
Jun 30, 2024
1.75 in, golf ball size
Hail days, last 5 years
1
since Nov 3, 2021 · 2 reports
Largest ever
2.75 in
baseball · Jul 1, 2010

87 reports on 51 days since 1967 · #37 of 57 Montana counties

Hail map · Treasure County

Hysham 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
85 most recent reports with a location. Dot size and colour follow hail size. Open street map

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 Treasure County is from June 30, 2024. A local roofer can check and document it at no cost.

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What the record says about Treasure County

The latest hail report in Treasure County is from June 30, 2024, 1.75 in (golf ball size). Since November 3, 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, Treasure County logged 43 reports on 20 hail days, about 2.1 reports a year. That is 30% less than the median Montana county (3.0 a year) and ranks #37 of 57 Montana counties for all-time reports. Treasure County holds 1% of all 8,453 hail reports in Montana.

12% 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 2.75 in (baseball) on July 1, 2010 near 32.93 NNW Kuehn.

Reports were down 41% in 2016–2025 (16) compared with 2006–2015 (27). The busiest year was 2001, with 20 reports on 8 days. Hail here peaks in July (41% of reports); 49% fall between April and June.

Reports a year 2006–2025 average

  • Treasure County 2.1
  • Median Montana county 3.0

Hail days 2006–2025

  • Treasure County 20
  • Median Montana county 31

Share 2 in or larger of sized reports

  • Treasure County 12%
  • Median Montana county 7%

Hail over time

05101520 1967: 1 reports, largest 1.00 in 1970 1976: 1 reports, largest 1.00 in 1980 1990 1991: 1 reports, largest 2.00 in 1992: 1 reports, largest 1.75 in 1995: 2 reports, largest 0.75 in 1996: 1 reports, largest 1.00 in 1998: 3 reports, largest 0.88 in 1999: 6 reports, largest 0.88 in 2000: 4 reports, largest 1.25 in 2000 2001: 20 reports, largest 2.75 in 2002: 2 reports, largest 1.00 in 2004: 1 reports, largest 1.50 in 2005: 1 reports, largest 0.75 in 2006: 5 reports, largest 2.00 in 2007: 5 reports, largest 1.75 in 2008: 4 reports, largest 1.00 in 2010: 11 reports, largest 2.75 in 2010 2011: 1 reports, largest 1.25 in 2013: 1 reports, largest 1.00 in 2016: 1 reports, largest 1.50 in 2017: 1 reports, largest 0.88 in 2018: 4 reports, largest 1.75 in 2019: 1 reports, largest 0.88 in 2020: 4 reports, largest 2.00 in 2020 2021: 3 reports, largest 1.75 in 2024: 2 reports, largest 1.75 in
Reports per year, 1967–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
010203040 Jan Feb Mar April: 1 reports (1%) Apr May: 13 reports (15%) May June: 29 reports (33%) Jun July: 36 reports (41%) Jul August: 8 reports (9%) Aug Sep Oct Nov Dec
All 87 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 2 2
2023 0
2022 0
2021 3 3
2020 4 4
2019 1 1
2018 121 4
2017 1 1

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Jun 30, 2024 2 1.75 in —

Largest hail on record

Largest hail reports in Treasure County
Date Size Location Time · source
Jul 1, 2010 2.75 inbaseball 32.93 NNW Kuehn 19:15 local · NCEI
Jul 26, 2001 2.75 inbaseball 11 NW Hysham 14:35 local · NCEI
Jun 28, 2001 2.75 inbaseball Hysham 21:38 local · NCEI
Jun 28, 2001 2.75 inbaseball 8 SE Hysham 21:35 local · NCEI
Jun 28, 2001 2.75 inbaseball Hysham 21:00 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Treasure County
Date Size Location Time · source
Jun 30, 2024 1.75 ingolf ball 1.59 ENE Hysham Arpt 19:37 local · NCEI
Jun 30, 2024 1.00 inquarter 1.99 NE Hysham Arpt 19:30 local · NCEI
Jul 6, 2021 1.00 inquarter 23.73 S Sarpy Jct 18:25 local · NCEI
Jul 6, 2021 1.75 ingolf ball 10.41 SSE Bighorn 18:00 local · NCEI
Jul 6, 2021 1.75 ingolf ball 1.46 NNE Bighorn 17:38 local · NCEI
Jul 6, 2020 2.00 inhen egg 0.69 N Sanders 14:50 local · NCEI
Jul 6, 2020 1.00 inquarter 3.65 NE Sanders 14:50 local · NCEI
Jul 6, 2020 1.75 ingolf ball 0.84 NE Sanders 14:50 local · NCEI
Jul 6, 2020 0.88 innickel 1.46 NNW Sarpy Jct 14:45 local · NCEI
Jun 20, 2019 0.88 innickel 0.69 S Hysham 18:52 local · NCEI
Jul 2, 2018 1.75 ingolf ball 2.92 SSE Myers 19:32 local · NCEI
Jun 19, 2018 1.00 inquarter 5.39 SSW Hysham Arpt 15:24 local · NCEI

Cities and towns in Treasure County

PlaceReportsLargest
Hysham332.75 in

Questions about hail in Treasure County

How often does it hail in Treasure County, Montana?

87 hail reports have been logged in Treasure County since 1967. Over the 20 years 2006–2025 that averages 2.1 reports a year. That ranks #37 of 57 Montana counties by number of reports.

When is hail season in Treasure County?

Most reports come in July, June, May. July alone accounts for 41% of all reports.

What is the largest hail recorded in Treasure County?

2.75 in (baseball size) on July 1, 2010 near 32.93 NNW Kuehn. 11% of reports here were 2 inches or larger.

When did it last hail in Treasure County?

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 3, 2026.

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

1 separate days with hail reports since November 3, 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.