Hail History

Hail history for Crow Agency, Montana

NOAA hail reports in and within about 5 km (3 miles) of Crow Agency since 1956, with preliminary reports to November 3, 2026.

Readout · Crow Agency

Last hail
Jun 27, 2026
1.00 in, quarter size
Hail days, last 5 years
1
since Nov 3, 2021 · 1 report
Largest ever
2.75 in
baseball · Jun 8, 2006

26 reports on 20 days since 1956 · #32 of 111 Montana places

Hail map · Crow Agency

Crow Agency Hardin Fort Smith Muddy Wyola Pompeys Pillar 25 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
26 most recent reports with a location; Big Horn County is shaded. 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 Crow Agency is from June 27, 2026. A local roofer can check and document it at no cost.

Phone line opening soon

What would a claim cost you? Try the hail claim calculator

Preview: this form is not connected yet. Nothing you enter is sent or stored.

Roofer? Get hail alerts for your area with StormScope

What the record says about Crow Agency

The latest hail report in and around Crow Agency is from June 27, 2026, 1.00 in (quarter size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 1.00 in on June 27, 2026.

Over the 20 years 2006–2025, Crow Agency logged 13 reports on 8 hail days, about 0.7 reports a year. That is 44% more than the median Montana town on this site (0.5 a year) and ranks #32 of 111 Montana cities and towns on this site for all-time reports. Crow Agency accounts for 10% of the 248 reports filed in Big Horn County.

4% 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 8, 2006 near 2 N Crow Agency.

Reports were down 70% in 2016–2025 (3) compared with 2006–2015 (10). The busiest year was 2006, with 6 reports on 2 days. Hail here peaks in June (58% of reports); 62% fall between April and June.

Reports a year 2006–2025 average

  • Crow Agency 0.7
  • Big Horn County 6.7
  • Median Montana town on this site 0.5

Hail days 2006–2025

  • Crow Agency 8
  • Big Horn County 68
  • Median Montana town on this site 7

Share 2 in or larger of sized reports

  • Crow Agency 4%
  • Big Horn County 8%
  • Median Montana town on this site 8%

Hail over time

0246 1956: 1 reports, largest 1.00 in 1958: 2 reports, largest 1.00 in 1960 1970 1980 1990 1991: 1 reports, largest 1.75 in 1996: 1 reports, largest 0.75 in 1997: 1 reports, largest 0.75 in 1998: 1 reports, largest 1.00 in 2000: 1 reports, largest 0.75 in 2000 2001: 1 reports, largest 0.75 in 2002: 1 reports, largest 0.75 in 2003: 1 reports, largest 0.75 in 2004: 1 reports, largest 0.75 in 2006: 6 reports, largest 2.75 in 2008: 1 reports, largest 1.00 in 2009: 2 reports, largest 1.75 in 2010 2015: 1 reports, largest 0.88 in 2016: 1 reports, largest 1.00 in 2019: 2 reports, largest 1.00 in 2020 2026: 1 reports, largest 1.00 in
Reports per year, 1956–2026. 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: 15 reports (58%) Jun July: 7 reports (27%) Jul August: 2 reports (8%) Aug September: 1 reports (4%) Sep Oct Nov Dec
All 26 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 11 2
2018 0
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Jun 27, 2026 1 1.00 in —

Largest hail on record

Largest hail reports in Crow Agency
Date Size Location County Time · source
Jun 8, 2006 2.75 inbaseball 2 N Crow Agency Big Horn 15:10 local · NCEI
Jul 12, 2009 1.75 ingolf ball 0.69 S Crow Agency Big Horn 18:58 local · NCEI
Jun 14, 2006 1.75 ingolf ball Crow Agency Big Horn 13:57 local · NCEI
Jun 19, 1991 1.75 ingolf ball — Big Horn 20:40 local · NCEI
Jun 27, 2026 1.00 inquarter 2.29 SSE Crow Agency Big Horn 13:38 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 Crow Agency
Date Size Location County Time · source
Jun 27, 2026 1.00 inquarter 2.29 SSE Crow Agency Big Horn 13:38 local · NCEI
Jul 3, 2019 0.88 innickel 2.76 S Crow Agency Big Horn 17:05 local · NCEI
Jun 20, 2019 1.00 inquarter 0.48 W Crow Agency Big Horn 15:28 local · NCEI
May 24, 2016 1.00 inquarter 1.38 S Crow Agency Big Horn 17:43 local · NCEI
Sep 5, 2015 0.88 innickel 0.97 W Crow Agency Big Horn 18:25 local · NCEI
Jul 12, 2009 1.75 ingolf ball 0.69 S Crow Agency Big Horn 18:58 local · NCEI
Jul 12, 2009 1.00 inquarter 0.48 W Crow Agency Big Horn 18:49 local · NCEI
Jun 25, 2008 1.00 inquarter 2.13 SSW Crow Agency Big Horn 21:00 local · NCEI
Jun 14, 2006 1.75 ingolf ball Crow Agency Big Horn 13:57 local · NCEI
Jun 14, 2006 0.88 innickel Crow Agency Big Horn 13:49 local · NCEI
Jun 14, 2006 1.00 inquarter Crow Agency Big Horn 13:49 local · NCEI
Jun 14, 2006 1.00 inquarter 3 S Crow Agency Big Horn 13:49 local · NCEI

Hail history near Crow Agency

Questions about hail in Crow Agency

How often does it hail in Crow Agency, Montana?

26 hail reports have been logged in and within about 5 km (3 miles) of Crow Agency since 1956. Over the 20 years 2006–2025 that averages 0.7 reports a year. That ranks #32 of 111 Montana places by number of reports.

When is hail season in Crow Agency?

Most reports come in June, July, August. June alone accounts for 58% of all reports.

What is the largest hail recorded in Crow Agency?

2.75 in (baseball size) on June 8, 2006 near 2 N Crow Agency. 4% of reports here were 2 inches or larger.

When did it last hail in Crow Agency?

The most recent report in this data is from June 27, 2026 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Crow Agency 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 June 27, 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.