Hail History

Hail history for Decatur, Iowa

NOAA hail reports in and within about 5 km (3 miles) of Decatur since 2001, with preliminary reports to November 3, 2026.

Readout · Decatur

Last hail
Jun 21, 2015
1.00 in, quarter size
Hail days, last 5 years
0
since Nov 3, 2021 · 0 reports
Largest ever
2.00 in
hen egg · Jul 3, 2001

10 reports on 7 days since 2001 · #445 of 483 Iowa places

Hail map · Decatur

Decatur Leon Lamoni Humeston 5 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; Decatur County is shaded. Open street map

For homeowners

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What the record says about Decatur

The latest hail report in and around Decatur is from June 21, 2015, 1.00 in (quarter size). There has been no hail report here in the five years since November 3, 2021.

Over the 20 years 2006–2025, Decatur logged 2 reports on 2 hail days, about 0.1 reports a year. That is 22% of the median Iowa town on this site (0.5 a year) and ranks #445 of 483 Iowa cities and towns on this site for all-time reports. Decatur accounts for 11% of the 95 reports filed in Decatur County.

10% 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 July 3, 2001 near Beech.

The busiest year was 2001, with 4 reports on 2 days. Hail here peaks in May (30% of reports); 60% fall between April and June.

Reports a year 2006–2025 average

  • Decatur 0.1
  • Decatur County 1.9
  • Median Iowa town on this site 0.5

Hail days 2006–2025

  • Decatur 2
  • Decatur County 26
  • Median Iowa town on this site 7

Share 2 in or larger of sized reports

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

Hail over time

01234 2001: 4 reports, largest 2.00 in 2002: 1 reports, largest 1.00 in 2004: 3 reports, largest 1.25 in 2005 2008: 1 reports, largest 0.88 in 2010 2015: 1 reports, largest 1.00 in 2015 2020 2025
Reports per year, 2001–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0123 Jan Feb Mar April: 1 reports (10%) Apr May: 3 reports (30%) May June: 2 reports (20%) Jun July: 3 reports (30%) Jul August: 1 reports (10%) 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 0
2024 0
2023 0
2022 0
2021 0
2020 0
2019 0
2018 0
2017 0

Largest hail on record

Largest hail reports in Decatur
Date Size Location County Damage Time · source
Jul 3, 2001 2.00 inhen egg Beech Warren $15K 15:43 local · NCEI
Jul 3, 2001 1.75 ingolf ball Beaconsfield Ringgold $10K 15:56 local · NCEI
May 27, 2004 1.25 inhalf dollar Leon Decatur $5K 10:40 local · NCEI
Jun 21, 2015 1.00 inquarter 1.72 WSW Decatur City Decatur — 18:16 local · NCEI
Apr 18, 2002 1.00 inquarter Decatur City Decatur $5K 19:00 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Decatur
Date Size Location County Damage Time · source
Jun 21, 2015 1.00 inquarter 1.72 WSW Decatur City Decatur — 18:16 local · NCEI
Jun 19, 2008 0.88 innickel 1.72 WNW Decatur City Decatur $5K 14:17 local · NCEI
Aug 1, 2004 0.88 innickel Decatur City Decatur — 08:27 local · NCEI
May 27, 2004 0.88 innickel Allerton Wayne $1K 11:26 local · NCEI
May 27, 2004 1.25 inhalf dollar Leon Decatur $5K 10:40 local · NCEI
Apr 18, 2002 1.00 inquarter Decatur City Decatur $5K 19:00 local · NCEI
Jul 3, 2001 1.75 ingolf ball Beaconsfield Ringgold $10K 15:56 local · NCEI
Jul 3, 2001 0.88 innickel 2 W Pleasantville Marion $2K 15:55 local · NCEI
Jul 3, 2001 2.00 inhen egg Beech Warren $15K 15:43 local · NCEI
May 13, 2001 1.00 inquarter Decatur City Decatur $5K 11:30 local · NCEI

Hail history near Decatur

Questions about hail in Decatur

How often does it hail in Decatur, Iowa?

10 hail reports have been logged in and within about 5 km (3 miles) of Decatur since 2001. Over the 20 years 2006–2025 that averages 0.1 reports a year. That ranks #445 of 483 Iowa places by number of reports.

When is hail season in Decatur?

Most reports come in May, July, June. May alone accounts for 30% of all reports.

What is the largest hail recorded in Decatur?

2.00 in (hen egg size) on July 3, 2001 near Beech. 10% of reports here were 2 inches or larger.

When did it last hail in Decatur?

The most recent report in this data is from June 21, 2015 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Decatur had in the last five years?

None: there has been no hail report in and within about 5 km (3 miles) of Decatur since November 3, 2021. The last one was on June 21, 2015.

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.