Hail History

Hail history for Winnett, Montana

NOAA hail reports in and within about 5 km (3 miles) of Winnett since 1976, with preliminary reports to November 3, 2026.

Readout · Winnett

Last hail
Jun 15, 2025
2.50 in, tennis ball size
Hail days, last 5 years
4
since Nov 3, 2021 · 5 reports
Largest ever
2.50 in
tennis ball · Jun 15, 2025

24 reports on 19 days since 1976 · #38 of 111 Montana places

Hail map · Winnett

Winnett Grass Range 20 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
24 most recent reports with a location; Petroleum County is shaded. Open street map

For homeowners

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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 Winnett is from June 15, 2025. A local roofer can check and document it at no cost.

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What the record says about Winnett

The latest hail report in and around Winnett is from June 15, 2025, 2.50 in (tennis ball size). Since November 3, 2021 there have been 4 separate hail days; the biggest stones in that time were 2.50 in on June 15, 2025.

Over the 20 years 2006–2025, Winnett logged 14 reports on 11 hail days, about 0.7 reports a year. That is 56% more than the median Montana town on this site (0.5 a year) and ranks #38 of 111 Montana cities and towns on this site for all-time reports. Winnett accounts for 21% of the 115 reports filed in Petroleum 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 2.50 in (tennis ball) on June 15, 2025 near 1.17 NE Winnett.

Reports were up 1200% in 2016–2025 (13) compared with 2006–2015 (1). The busiest year was 2000, with 4 reports on 3 days. Hail here peaks in June (46% of reports); 50% fall between April and June.

Reports a year 2006–2025 average

  • Winnett 0.7
  • Petroleum County 3.0
  • Median Montana town on this site 0.5

Hail days 2006–2025

  • Winnett 11
  • Petroleum County 40
  • Median Montana town on this site 7

Share 2 in or larger of sized reports

  • Winnett 8%
  • Petroleum County 10%
  • Median Montana town on this site 8%

Hail over time

01234 1976: 1 reports, largest 1.00 in 1980 1990 1999: 1 reports, largest 0.75 in 2000: 4 reports, largest 1.75 in 2000 2002: 1 reports, largest 1.00 in 2003: 1 reports, largest 0.75 in 2005: 2 reports, largest 1.00 in 2007: 1 reports, largest 1.00 in 2010 2016: 1 reports, largest 2.00 in 2017: 2 reports, largest 1.00 in 2018: 1 reports, largest 1.00 in 2020: 2 reports, largest 1.75 in 2020 2021: 2 reports, largest 1.00 in 2022: 2 reports, largest 1.00 in 2025: 3 reports, largest 2.50 in
Reports per year, 1976–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
051015 Jan Feb Mar Apr May: 1 reports (4%) May June: 11 reports (46%) Jun July: 7 reports (29%) Jul August: 5 reports (21%) Aug Sep Oct Nov Dec
All 24 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 3 3
2024 0
2023 0
2022 2 2
2021 2 2
2020 11 2
2019 0
2018 1 1
2017 2 2

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Jun 15, 2025 2 2.50 in —
Jun 13, 2025 1 1.00 in —
Jul 14, 2022 1 1.00 in —
Jul 4, 2022 1 1.00 in —

Largest hail on record

Largest hail reports in Winnett
Date Size Location County Damage Time · source
Jun 15, 2025 2.50 intennis ball 1.17 NE Winnett Petroleum — 18:00 local · NCEI
Jun 9, 2016 2.00 inhen egg Winnett Petroleum $500K 16:45 local · NCEI
Jun 15, 2025 1.75 ingolf ball 0.69 N Winnett Petroleum — 17:39 local · NCEI
May 20, 2020 1.75 ingolf ball Winnett Petroleum — 01:40 local · NCEI
Jul 3, 2000 1.75 ingolf ball Winnett Petroleum — 17:10 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Winnett
Date Size Location County Time · source
Jun 15, 2025 2.50 intennis ball 1.17 NE Winnett Petroleum 18:00 local · NCEI
Jun 15, 2025 1.75 ingolf ball 0.69 N Winnett Petroleum 17:39 local · NCEI
Jun 13, 2025 1.00 inquarter 0.84 NW Winnett Petroleum 15:20 local · NCEI
Jul 14, 2022 1.00 inquarter 2.51 SE Winnett Petroleum 18:25 local · NCEI
Jul 4, 2022 1.00 inquarter Winnett Petroleum 19:45 local · NCEI
Aug 26, 2021 1.00 inquarter 1.88 E Winnett Petroleum 16:50 local · NCEI
Aug 26, 2021 1.00 inquarter 2.01 ENE Winnett Petroleum 16:31 local · NCEI
Jul 7, 2020 1.25 inhalf dollar 2.13 SSW Winnett Petroleum 15:25 local · NCEI
May 20, 2020 1.75 ingolf ball Winnett Petroleum 01:40 local · NCEI
Jun 28, 2018 1.00 inquarter 0.94 W Winnett Petroleum 15:29 local · NCEI
Aug 1, 2017 1.00 inquarter 0.47 E Winnett Petroleum 19:20 local · NCEI
Aug 1, 2017 1.00 inquarter 0.47 W Winnett Petroleum 19:13 local · NCEI

Hail history near Winnett

Questions about hail in Winnett

How often does it hail in Winnett, Montana?

24 hail reports have been logged in and within about 5 km (3 miles) of Winnett since 1976. Over the 20 years 2006–2025 that averages 0.7 reports a year. That ranks #38 of 111 Montana places by number of reports.

When is hail season in Winnett?

Most reports come in June, July, August. June alone accounts for 46% of all reports.

What is the largest hail recorded in Winnett?

2.50 in (tennis ball size) on June 15, 2025 near 1.17 NE Winnett. 8% of reports here were 2 inches or larger.

When did it last hail in Winnett?

The most recent report in this data is from June 15, 2025 (2.50 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

4 separate days with hail reports since November 3, 2021, adding up to 5 reports. The most recent was June 15, 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.