Hail History

Hail history for Pryor, Montana

NOAA hail reports in and within about 5 km (3 miles) of Pryor since 1998, with preliminary reports to November 3, 2026.

Readout · Pryor

Last hail
Jun 13, 2025
2.00 in, hen egg size
Hail days, last 5 years
1
since Nov 3, 2021 · 4 reports
Largest ever
2.75 in
baseball · Jun 13, 2025

10 reports on 7 days since 1998 · #109 of 111 Montana places

Hail map · Pryor

Pryor Billings Lockwood Fort Smith Huntley 25 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
10 most recent reports with a location; Big Horn County is shaded. Open street map

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What the record says about Pryor

The latest hail report in and around Pryor is from June 13, 2025, 2.00 in (hen egg size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 2.75 in on June 13, 2025.

Over the 20 years 2006–2025, Pryor logged 5 reports on 2 hail days, about 0.3 reports a year. That is 44% less than the median Montana town on this site (0.5 a year) and ranks #109 of 111 Montana cities and towns on this site for all-time reports. Pryor accounts for 4% of the 248 reports filed in Big Horn County.

40% 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 2.75 in (baseball) on June 13, 2025 near 0.48 W Pryor.

The busiest year was 2025, with 4 reports on 1 day. Hail here peaks in July (50% of reports); 50% fall between April and June.

Reports a year 2006–2025 average

  • Pryor 0.3
  • Big Horn County 6.7
  • Median Montana town on this site 0.5

Hail days 2006–2025

  • Pryor 2
  • Big Horn County 68
  • Median Montana town on this site 7

Share 2 in or larger of sized reports

  • Pryor 40%
  • Big Horn County 8%
  • Median Montana town on this site 8%

Hail over time

01234 1998: 3 reports, largest 1.00 in 2000 2001: 1 reports, largest 0.75 in 2004: 1 reports, largest 0.88 in 2005 2010 2013: 1 reports, largest 1.00 in 2015 2020 2025: 4 reports, largest 2.75 in 2025
Reports per year, 1998–2026. 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: 1 reports (10%) May June: 4 reports (40%) Jun July: 5 reports (50%) Jul Aug Sep Oct Nov Dec
All 10 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 4 4
2024 0
2023 0
2022 0
2021 0
2020 0
2019 0
2018 0
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Jun 13, 2025 4 2.75 in —

Largest hail on record

Largest hail reports in Pryor
Date Size Location County Time · source
Jun 13, 2025 2.75 inbaseball 0.48 W Pryor Big Horn 18:10 local · NCEI
Jun 13, 2025 2.50 intennis ball 0.97 E Pryor Big Horn 18:11 local · NCEI
Jun 13, 2025 2.50 intennis ball 0.69 S Pryor Big Horn 18:08 local · NCEI
Jun 13, 2025 2.00 inhen egg 0.48 W Pryor Big Horn 18:15 local · NCEI
Jul 13, 2013 1.00 inquarter 0.48 W Pryor Big Horn 17:30 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Pryor
Date Size Location County Time · source
Jun 13, 2025 2.00 inhen egg 0.48 W Pryor Big Horn 18:15 local · NCEI
Jun 13, 2025 2.50 intennis ball 0.97 E Pryor Big Horn 18:11 local · NCEI
Jun 13, 2025 2.75 inbaseball 0.48 W Pryor Big Horn 18:10 local · NCEI
Jun 13, 2025 2.50 intennis ball 0.69 S Pryor Big Horn 18:08 local · NCEI
Jul 13, 2013 1.00 inquarter 0.48 W Pryor Big Horn 17:30 local · NCEI
Jul 27, 2004 0.88 innickel 3 NW Pryor Big Horn 20:45 local · NCEI
May 26, 2001 0.75 inpenny Pryor Big Horn 18:38 local · NCEI
Jul 31, 1998 0.88 innickel Pryor Big Horn 14:40 local · NCEI
Jul 11, 1998 1.00 inquarter Pryor Big Horn 14:05 local · NCEI
Jul 5, 1998 0.75 inpenny Pryor Big Horn 18:30 local · NCEI

Hail history near Pryor

Questions about hail in Pryor

How often does it hail in Pryor, Montana?

10 hail reports have been logged in and within about 5 km (3 miles) of Pryor since 1998. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #109 of 111 Montana places by number of reports.

When is hail season in Pryor?

Most reports come in July, June, May. July alone accounts for 50% of all reports.

What is the largest hail recorded in Pryor?

2.75 in (baseball size) on June 13, 2025 near 0.48 W Pryor. 40% of reports here were 2 inches or larger.

When did it last hail in Pryor?

The most recent report in this data is from June 13, 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 Pryor had in the last five years?

1 separate days with hail reports since November 3, 2021, adding up to 4 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.