Hail History

Hail history for Osage, Iowa

NOAA hail reports in and within about 5 km (3 miles) of Osage since 1981, with preliminary reports to November 3, 2026.

Readout · Osage

Last hail
May 9, 2022
1.50 in, ping pong ball size
Hail days, last 5 years
1
since Nov 3, 2021 · 1 report
Largest ever
3.00 in
teacup · Jun 27, 1990

18 reports on 13 days since 1981 · #202 of 483 Iowa places

Hail map · Osage

Osage St. Ansgar Stacyville Grafton 5 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
18 most recent reports with a location; Mitchell 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 May 9, 2022, 1.50 in (ping pong ball size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 1.50 in on May 9, 2022.

Over the 20 years 2006–2025, Osage logged 11 reports on 8 hail days, about 0.6 reports a year. That is 22% more than the median Iowa town on this site (0.5 a year) and ranks #202 of 483 Iowa cities and towns on this site for all-time reports. Osage accounts for 16% of the 110 reports filed in Mitchell County.

11% of reports with a size were 2 inches (hen egg) or larger, against 6% for the median Iowa town on this site. The largest hail on record here is 3.00 in (teacup) on June 27, 1990.

Reports were down 78% in 2016–2025 (2) compared with 2006–2015 (9). The busiest year was 2008, with 3 reports on 1 day. Hail here peaks in June (39% of reports); 67% fall between April and June.

Reports a year 2006–2025 average

  • Osage 0.6
  • Mitchell County 3.0
  • Median Iowa town on this site 0.5

Hail days 2006–2025

  • Osage 8
  • Mitchell County 27
  • Median Iowa town on this site 7

Share 2 in or larger of sized reports

  • Osage 11%
  • Mitchell County 10%
  • Median Iowa town on this site 6%

Hail over time

0123 1981: 1 reports, largest 1.75 in 1985: 1 reports, largest 0.75 in 1990: 1 reports, largest 3.00 in 1990 1996: 2 reports, largest 0.75 in 1997: 2 reports, largest 0.88 in 2000 2006: 2 reports, largest 2.75 in 2008: 3 reports, largest 1.00 in 2009: 1 reports, largest 0.88 in 2010 2012: 1 reports, largest 0.75 in 2013: 2 reports, largest 1.00 in 2018: 1 reports, largest 1.00 in 2020 2022: 1 reports, largest 1.50 in
Reports per year, 1981–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
02468 Jan Feb Mar April: 2 reports (11%) Apr May: 3 reports (17%) May June: 7 reports (39%) Jun July: 1 reports (6%) Jul Aug September: 1 reports (6%) Sep October: 4 reports (22%) Oct Nov Dec
All 18 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 0
2023 0
2022 1 1
2021 0
2020 0
2019 0
2018 1 1
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
May 9, 2022 1 1.50 in —

Largest hail on record

Largest hail reports in Osage
Date Size Location County Damage Time · source
Jun 27, 1990 3.00 inteacup — Mitchell — 13:40 local · NCEI
Oct 4, 2006 2.75 inbaseball 2.14 NNE Osage Muni Arpt Mitchell $80K 03:00 local · NCEI
Jul 17, 1981 1.75 ingolf ball — Mitchell — 14:20 local · NCEI
May 9, 2022 1.50 inping pong ball 0.5 E Osage Mitchell — 18:58 local · NCEI
Oct 4, 2006 1.50 inping pong ball 0.5 E Osage Muni Arpt Mitchell $65K 03:18 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
May 9, 2022 1.50 inping pong ball 0.5 E Osage Mitchell — 18:58 local · NCEI
Jun 9, 2018 1.00 inquarter 4 N Osage Mitchell $1K 12:05 local · NCEI
May 19, 2013 1.00 inquarter 0.59 WNW Osage Mitchell — 14:26 local · NCEI
Apr 9, 2013 0.75 inpenny 0.5 E Osage Mitchell — 19:30 local · NCEI
May 1, 2012 0.75 inpenny 0.1 NW Osage Mitchell — 23:49 local · NCEI
Apr 24, 2009 0.88 innickel 0.5 E Osage Mitchell — 17:14 local · NCEI
Jun 10, 2008 1.00 inquarter 0.5 E Osage Mitchell — 19:52 local · NCEI
Jun 10, 2008 0.75 inpenny 0.5 E Osage Mitchell — 19:41 local · NCEI
Jun 10, 2008 1.00 inquarter 2 W Osage Mitchell — 19:40 local · NCEI
Oct 4, 2006 1.50 inping pong ball 0.5 E Osage Muni Arpt Mitchell $65K 03:18 local · NCEI
Oct 4, 2006 2.75 inbaseball 2.14 NNE Osage Muni Arpt Mitchell $80K 03:00 local · NCEI
Jun 5, 1997 0.88 innickel Osage Mitchell — 13:38 local · NCEI

Hail history near Osage

Questions about hail in Osage

How often does it hail in Osage, Iowa?

18 hail reports have been logged in and within about 5 km (3 miles) of Osage since 1981. Over the 20 years 2006–2025 that averages 0.6 reports a year. That ranks #202 of 483 Iowa places by number of reports.

When is hail season in Osage?

Most reports come in June, October, May. June alone accounts for 39% of all reports.

What is the largest hail recorded in Osage?

3.00 in (teacup size) on June 27, 1990. 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 May 9, 2022 (1.50 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 1 reports. The most recent was May 9, 2022.

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.