Hail History

Hail history for Allerton, Iowa

NOAA hail reports in and within about 5 km (3 miles) of Allerton since 1982, with preliminary reports to November 3, 2026.

Readout · Allerton

Last hail
Sep 15, 2014
1.00 in, quarter size
Hail days, last 5 years
0
since Nov 3, 2021 · 0 reports
Largest ever
2.50 in
tennis ball · Jun 1, 2002

11 reports on 9 days since 1982 · #389 of 483 Iowa places

Hail map · Allerton

Allerton Humeston Seymour Plano 5 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
11 most recent reports with a location; Wayne 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 Allerton is from September 15, 2014. A local roofer can check and document it at no cost.

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What the record says about Allerton

The latest hail report in and around Allerton is from September 15, 2014, 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, Allerton logged 3 reports on 2 hail days, about 0.1 reports a year. That is 33% of the median Iowa town on this site (0.5 a year) and ranks #389 of 483 Iowa cities and towns on this site for all-time reports. Allerton accounts for 13% of the 82 reports filed in Wayne County.

9% 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 2.50 in (tennis ball) on June 1, 2002 near Allerton.

The busiest year was 2013, with 2 reports on 1 day. Hail here peaks in June (27% of reports); 55% fall between April and June.

Reports a year 2006–2025 average

  • Allerton 0.1
  • Wayne County 2.0
  • Median Iowa town on this site 0.5

Hail days 2006–2025

  • Allerton 2
  • Wayne County 26
  • Median Iowa town on this site 7

Share 2 in or larger of sized reports

  • Allerton 9%
  • Wayne County 10%
  • Median Iowa town on this site 6%

Hail over time

012 1982: 1 reports, largest 1.75 in 1990 1992: 1 reports, largest 0.75 in 1996: 1 reports, largest 1.75 in 2000 2002: 1 reports, largest 2.50 in 2003: 2 reports, largest 1.75 in 2004: 1 reports, largest 0.88 in 2005: 1 reports, largest 0.88 in 2010 2013: 2 reports, largest 1.25 in 2014: 1 reports, largest 1.00 in 2020
Reports per year, 1982–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0123 Jan Feb March: 1 reports (9%) Mar April: 1 reports (9%) Apr May: 2 reports (18%) May June: 3 reports (27%) Jun July: 3 reports (27%) Jul Aug September: 1 reports (9%) Sep Oct Nov Dec
All 11 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 Allerton
Date Size Location County Damage Time · source
Jun 1, 2002 2.50 intennis ball Allerton Wayne $50K 22:45 local · NCEI
Jul 5, 2003 1.75 ingolf ball Schleswig Crawford $5K 16:40 local · NCEI
May 9, 1996 1.75 ingolf ball Allerton Wayne $10K 10:05 local · NCEI
Apr 2, 1982 1.75 ingolf ball — Wayne — 15:35 local · NCEI
Jun 14, 2013 1.25 inhalf dollar 0.69 N Allerton Wayne $5K 15:23 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 Allerton
Date Size Location County Damage Time · source
Sep 15, 2014 1.00 inquarter Allerton Wayne — 06:33 local · NCEI
Jun 14, 2013 1.25 inhalf dollar 0.69 N Allerton Wayne $5K 15:23 local · NCEI
Jun 14, 2013 0.75 inpenny 3.55 WNW Allerton Wayne — 15:10 local · NCEI
Mar 6, 2005 0.88 innickel Allerton Wayne $1K 22:15 local · NCEI
May 27, 2004 0.88 innickel 6 ESE Leon Decatur $1K 11:45 local · NCEI
Jul 5, 2003 0.88 innickel Bridgewater Adair $2K 16:50 local · NCEI
Jul 5, 2003 1.75 ingolf ball Schleswig Crawford $5K 16:40 local · NCEI
Jun 1, 2002 2.50 intennis ball Allerton Wayne $50K 22:45 local · NCEI
May 9, 1996 1.75 ingolf ball Allerton Wayne $10K 10:05 local · NCEI
Jul 29, 1992 0.75 inpenny — Wayne — 17:45 local · NCEI
Apr 2, 1982 1.75 ingolf ball — Wayne — 15:35 local · NCEI

Hail history near Allerton

Questions about hail in Allerton

How often does it hail in Allerton, Iowa?

11 hail reports have been logged in and within about 5 km (3 miles) of Allerton since 1982. Over the 20 years 2006–2025 that averages 0.1 reports a year. That ranks #389 of 483 Iowa places by number of reports.

When is hail season in Allerton?

Most reports come in June, July, May. June alone accounts for 27% of all reports.

What is the largest hail recorded in Allerton?

2.50 in (tennis ball size) on June 1, 2002 near Allerton. 9% of reports here were 2 inches or larger.

When did it last hail in Allerton?

The most recent report in this data is from September 15, 2014 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

None: there has been no hail report in and within about 5 km (3 miles) of Allerton since November 3, 2021. The last one was on September 15, 2014.

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.