Hail History

Hail history for Osage, Wyoming

NOAA hail reports in and within about 5 km (3 miles) of Osage since 1977, with preliminary reports to November 3, 2026.

Readout · Osage

Last hail
Jul 11, 2023
1.00 in, quarter size
Hail days, last 5 years
1
since Nov 3, 2021 · 2 reports
Largest ever
3.50 in
teacup · Jun 16, 1977

19 reports on 14 days since 1977 · #34 of 61 Wyoming places

Hail map · Osage

Osage Upton Newcastle 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
19 most recent reports with a location; Weston County is shaded. Open street map

For homeowners

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What the record says about Osage

The latest hail report in and around Osage is from July 11, 2023, 1.00 in (quarter size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 2.50 in on July 11, 2023.

Over the 20 years 2006–2025, Osage logged 11 reports on 8 hail days, about 0.6 reports a year. That is 15% less than the median Wyoming town on this site (0.7 a year) and ranks #34 of 61 Wyoming cities and towns on this site for all-time reports. Osage accounts for 6% of the 309 reports filed in Weston County.

11% of reports with a size were 2 inches (hen egg) or larger, against 7% for the median Wyoming town on this site. The largest hail on record here is 3.50 in (teacup) on June 16, 1977.

Reports were down 17% in 2016–2025 (5) compared with 2006–2015 (6). The busiest year was 2001, with 3 reports on 2 days. Hail here peaks in July (42% of reports); 58% fall between April and June.

Reports a year 2006–2025 average

  • Osage 0.6
  • Weston County 10.7
  • Median Wyoming town on this site 0.7

Hail days 2006–2025

  • Osage 8
  • Weston County 113
  • Median Wyoming town on this site 11

Share 2 in or larger of sized reports

  • Osage 11%
  • Weston County 8%
  • Median Wyoming town on this site 7%

Hail over time

0123 1977: 1 reports, largest 3.50 in 1980 1990 1999: 2 reports, largest 1.00 in 2000 2001: 3 reports, largest 1.00 in 2002: 1 reports, largest 0.88 in 2005: 1 reports, largest 1.00 in 2009: 2 reports, largest 1.75 in 2010: 2 reports, largest 1.50 in 2010 2013: 1 reports, largest 1.00 in 2014: 1 reports, largest 0.88 in 2017: 2 reports, largest 1.00 in 2020 2021: 1 reports, largest 1.50 in 2023: 2 reports, largest 2.50 in
Reports per year, 1977–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
02468 Jan Feb Mar Apr May: 4 reports (21%) May June: 7 reports (37%) Jun July: 8 reports (42%) Jul Aug Sep Oct Nov Dec
All 19 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 0
2023 2 2
2022 0
2021 1 1
2020 0
2019 0
2018 0
2017 2 2

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Jul 11, 2023 2 2.50 in —

Largest hail on record

Largest hail reports in Osage
Date Size Location County Damage Time · source
Jun 16, 1977 3.50 inteacup — Weston — 15:20 local · NCEI
Jul 11, 2023 2.50 intennis ball Osage Weston — 22:35 local · NCEI
Jul 8, 2009 1.75 ingolf ball Osage Weston — 15:26 local · NCEI
Jun 13, 2021 1.50 inping pong ball 2 NW Osage Weston — 16:03 local · NCEI
Jul 19, 2010 1.50 inping pong ball Osage Weston $20K 14:55 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 Osage
Date Size Location County Damage Time · source
Jul 11, 2023 1.00 inquarter 1 SE Osage Weston — 22:35 local · NCEI
Jul 11, 2023 2.50 intennis ball Osage Weston — 22:35 local · NCEI
Jun 13, 2021 1.50 inping pong ball 2 NW Osage Weston — 16:03 local · NCEI
May 15, 2017 0.88 innickel Osage Weston — 18:34 local · NCEI
May 15, 2017 1.00 inquarter 3.22 WSW Osage Weston — 18:30 local · NCEI
Jun 21, 2014 0.88 innickel Osage Weston — 17:55 local · NCEI
Jun 21, 2013 1.00 inquarter Osage Weston — 13:20 local · NCEI
Jul 19, 2010 1.50 inping pong ball Osage Weston $20K 14:55 local · NCEI
Jul 19, 2010 1.00 inquarter 5 NNW Osage Weston — 14:48 local · NCEI
Jul 9, 2009 1.00 inquarter Osage Weston — 20:25 local · NCEI
Jul 8, 2009 1.75 ingolf ball Osage Weston — 15:26 local · NCEI
Jul 24, 2005 1.00 inquarter Osage Weston — 21:10 local · NCEI

Hail history near Osage

Questions about hail in Osage

How often does it hail in Osage, Wyoming?

19 hail reports have been logged in and within about 5 km (3 miles) of Osage since 1977. Over the 20 years 2006–2025 that averages 0.6 reports a year. That ranks #34 of 61 Wyoming places by number of reports.

When is hail season in Osage?

Most reports come in July, June, May. July alone accounts for 42% of all reports.

What is the largest hail recorded in Osage?

3.50 in (teacup size) on June 16, 1977. 11% of reports here were 2 inches or larger.

When did it last hail in Osage?

The most recent report in this data is from July 11, 2023 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Osage 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 July 11, 2023.

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.