Hail History

Hail history for Leon, Iowa

NOAA hail reports in and within about 5 km (3 miles) of Leon since 1978, with preliminary reports to November 3, 2026.

Readout · Leon

Last hail
May 24, 2024
1.75 in, golf ball size
Hail days, last 5 years
1
since Nov 3, 2021 · 1 report
Largest ever
2.00 in
hen egg · Sep 10, 1984

21 reports on 17 days since 1978 · #148 of 483 Iowa places

Hail map · Leon

Leon Decatur Lamoni Humeston 5 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
21 most recent reports with a location; Decatur 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 Leon is from May 24, 2024. A local roofer can check and document it at no cost.

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What the record says about Leon

The latest hail report in and around Leon is from May 24, 2024, 1.75 in (golf ball size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 1.75 in on May 24, 2024.

Over the 20 years 2006–2025, Leon logged 10 reports on 9 hail days, about 0.5 reports a year. That is 11% more than the median Iowa town on this site (0.5 a year) and ranks #148 of 483 Iowa cities and towns on this site for all-time reports. Leon accounts for 22% of the 95 reports filed in Decatur County.

5% 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 2.00 in (hen egg) on September 10, 1984.

Reports were down 57% in 2016–2025 (3) compared with 2006–2015 (7). The busiest year was 2004, with 5 reports on 2 days. Hail here peaks in May (43% of reports); 76% fall between April and June.

Reports a year 2006–2025 average

  • Leon 0.5
  • Decatur County 1.9
  • Median Iowa town on this site 0.5

Hail days 2006–2025

  • Leon 9
  • Decatur County 26
  • Median Iowa town on this site 7

Share 2 in or larger of sized reports

  • Leon 5%
  • Decatur County 10%
  • Median Iowa town on this site 6%

Hail over time

0246 1978: 1 reports, largest 1.75 in 1980 1983: 1 reports, largest 1.75 in 1984: 1 reports, largest 2.00 in 1990 1996: 1 reports, largest 0.75 in 2000 2001: 1 reports, largest 0.88 in 2004: 5 reports, largest 1.00 in 2005: 1 reports, largest 1.00 in 2006: 1 reports, largest 1.00 in 2008: 2 reports, largest 1.75 in 2010 2014: 3 reports, largest 0.88 in 2015: 1 reports, largest 1.00 in 2016: 1 reports, largest 0.88 in 2018: 1 reports, largest 1.00 in 2020 2024: 1 reports, largest 1.75 in
Reports per year, 1978–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0369 Jan Feb March: 2 reports (10%) Mar April: 3 reports (14%) Apr May: 9 reports (43%) May June: 4 reports (19%) Jun July: 1 reports (5%) Jul August: 1 reports (5%) Aug September: 1 reports (5%) Sep Oct Nov Dec
All 21 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 1 1
2023 0
2022 0
2021 0
2020 0
2019 0
2018 1 1
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
May 24, 2024 1 1.75 in —

Largest hail on record

Largest hail reports in Leon
Date Size Location County Damage Time · source
Sep 10, 1984 2.00 inhen egg — Decatur — 12:25 local · NCEI
May 24, 2024 1.75 ingolf ball 1.25 WNW Leon Decatur — 02:23 local · NCEI
Jun 19, 2008 1.75 ingolf ball 1.73 SW Leon Decatur $30K 14:28 local · NCEI
May 28, 1983 1.75 ingolf ball — Decatur — 17:54 local · NCEI
Aug 25, 1978 1.75 ingolf ball — Decatur — 17:15 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 Leon
Date Size Location County Damage Time · source
May 24, 2024 1.75 ingolf ball 1.25 WNW Leon Decatur — 02:23 local · NCEI
May 14, 2018 1.00 inquarter 1.25 WNW Leon Decatur — 18:50 local · NCEI
Apr 27, 2016 0.88 innickel 1.25 WNW Leon Decatur — 17:18 local · NCEI
Apr 9, 2015 1.00 inquarter 0.52 E Leon Decatur $1K 12:15 local · NCEI
May 12, 2014 0.88 innickel 1.73 NE Decatur City Decatur — 13:05 local · NCEI
Mar 27, 2014 0.75 inpenny 1.69 NNW Leon Decatur — 15:36 local · NCEI
Mar 27, 2014 0.88 innickel 0.52 W Leon Decatur — 15:29 local · NCEI
Jun 27, 2008 0.75 inpenny 1.25 WNW Leon Decatur — 18:30 local · NCEI
Jun 19, 2008 1.75 ingolf ball 1.73 SW Leon Decatur $30K 14:28 local · NCEI
Apr 18, 2006 1.00 inquarter 3 SE Leon Decatur $5K 19:15 local · NCEI
Jun 4, 2005 1.00 inquarter Leon Decatur $5K 19:00 local · NCEI
Jun 16, 2004 0.75 inpenny Leon Decatur — 16:40 local · NCEI

Hail history near Leon

Questions about hail in Leon

How often does it hail in Leon, Iowa?

21 hail reports have been logged in and within about 5 km (3 miles) of Leon since 1978. Over the 20 years 2006–2025 that averages 0.5 reports a year. That ranks #148 of 483 Iowa places by number of reports.

When is hail season in Leon?

Most reports come in May, June, April. May alone accounts for 43% of all reports.

What is the largest hail recorded in Leon?

2.00 in (hen egg size) on September 10, 1984. 5% of reports here were 2 inches or larger.

When did it last hail in Leon?

The most recent report in this data is from May 24, 2024 (1.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Leon 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 24, 2024.

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.