Hail History

Hail history for Mineral County, Montana

Every NOAA hail report filed in Mineral County since 1970, with preliminary National Weather Service reports to November 3, 2026.

Readout · Mineral County

Last hail
Aug 14, 2026
0.88 in, nickel size · preliminary
Hail days, last 5 years
1
since Nov 3, 2021 · 1 report
Largest ever
2.00 in
hen egg · Jul 28, 1970

15 reports on 12 days since 1970 · #57 of 57 Montana counties

Hail map · Mineral County

20 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
15 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 Mineral County is from August 14, 2026. A local roofer can check and document it at no cost.

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What the record says about Mineral County

The latest hail report in Mineral County is from August 14, 2026, 0.88 in (nickel size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 0.88 in on August 14, 2026.

Over the 20 years 2006–2025, Mineral County logged 10 reports on 7 hail days, about 0.5 reports a year. That is 16% of the median Montana county (3.0 a year) and ranks #57 of 57 Montana counties for all-time reports. Mineral County holds 0% of all 8,453 hail reports in Montana.

7% 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 2.00 in (hen egg) on July 28, 1970.

Reports were down 57% in 2016–2025 (3) compared with 2006–2015 (7). The busiest year was 2015, with 3 reports on 1 day. Hail here peaks in June (27% of reports); 47% fall between April and June.

Reports a year 2006–2025 average

  • Mineral County 0.5
  • Median Montana county 3.0

Hail days 2006–2025

  • Mineral County 7
  • Median Montana county 31

Share 2 in or larger of sized reports

  • Mineral County 7%
  • Median Montana county 7%

Hail over time

0123 1970: 1 reports, largest 2.00 in 1970 1980 1990 1992: 1 reports, largest 1.75 in 1998: 2 reports, largest 1.75 in 2000 2006: 3 reports, largest 1.00 in 2007: 1 reports, largest 1.75 in 2010 2015: 3 reports, largest 0.88 in 2016: 1 reports, largest 1.00 in 2019: 2 reports, largest 1.75 in 2020 2026: 1 reports, largest 0.88 in
Reports per year, 1970–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
01234 Jan Feb Mar Apr May: 3 reports (20%) May June: 4 reports (27%) Jun July: 4 reports (27%) Jul August: 4 reports (27%) Aug Sep Oct Nov Dec
All 15 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 1 1
2025 0
2024 0
2023 0
2022 0
2021 0
2020 0
2019 2 2
2018 0
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Aug 14, 2026 1 0.88 in View

Largest hail on record

Largest hail reports in Mineral County
Date Size Location Time · source
Jul 28, 1970 2.00 inhen egg — 16:00 local · NCEI
Aug 10, 2019 1.75 ingolf ball 1 ENE St Regis 16:13 local · NCEI
Aug 10, 2019 1.75 ingolf ball 2 NW St Regis 15:42 local · NCEI
Jul 18, 2007 1.75 ingolf ball Tarkio 17:44 local · NCEI
Jul 22, 1998 1.75 ingolf ball Superior 18:40 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

Most recent reports

Most recent hail reports in Mineral County
Date Size Location Damage Time · source
Aug 14, 2026 0.88 innickel Saint Regis — 20:42 UTC · NWS prelim.
Aug 10, 2019 1.75 ingolf ball 1 ENE St Regis — 16:13 local · NCEI
Aug 10, 2019 1.75 ingolf ball 2 NW St Regis — 15:42 local · NCEI
Jun 8, 2016 1.00 inquarter 0.62 SSE Saltese $20K 16:04 local · NCEI
May 30, 2015 0.88 innickel 129.08 NW Southern Cross — 14:30 local · NCEI
May 30, 2015 0.75 inpenny 0.33 SSE Superior — 14:15 local · NCEI
May 30, 2015 0.50 inmarble 1.58 NE Bryson $1K 14:10 local · NCEI
Jul 18, 2007 1.75 ingolf ball Tarkio — 17:44 local · NCEI
Jul 6, 2006 0.75 inpenny Haugan — 13:15 local · NCEI
Jun 13, 2006 1.00 inquarter 2 SE Superior — 17:15 local · NCEI
Jun 12, 2006 0.75 inpenny Alberton — 18:23 local · NCEI
Aug 20, 1998 1.00 inquarter Superior — 17:07 local · NCEI

Smaller places with fewer than 10 reports

These places have too few reports for a page of their own, so their record lives here.

PlaceReportsHail daysLatest
Alberton43Jun 13, 2006
Superior44May 30, 2015
St. Regis32Aug 14, 2026
Saltese22Jun 8, 2016
De Borgia11May 30, 2015
Haugan11Jul 6, 2006

Questions about hail in Mineral County

How often does it hail in Mineral County, Montana?

15 hail reports have been logged in Mineral County since 1970. Over the 20 years 2006–2025 that averages 0.5 reports a year. That ranks #57 of 57 Montana counties by number of reports.

When is hail season in Mineral County?

Most reports come in June, July, August. June alone accounts for 27% of all reports.

What is the largest hail recorded in Mineral County?

2.00 in (hen egg size) on July 28, 1970. 7% of reports here were 2 inches or larger.

When did it last hail in Mineral County?

The most recent report in this data is from August 14, 2026 (0.88 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Mineral County 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 August 14, 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.