Hail History

Hail history for Avoca, Iowa

NOAA hail reports in and within about 5 km (3 miles) of Avoca since 1970, with preliminary reports to November 3, 2026.

Readout · Avoca

Last hail
Jun 1, 2026
1.00 in, quarter size
Hail days, last 5 years
1
since Nov 3, 2021 · 1 report
Largest ever
1.75 in
golf ball · Sep 24, 2019

17 reports on 16 days since 1970 · #206 of 483 Iowa places

Hail map · Avoca

Avoca Walnut Shelby Oakland 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
17 most recent reports with a location; Pottawattamie County is shaded. Open street map

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What the record says about Avoca

The latest hail report in and around Avoca is from June 1, 2026, 1.00 in (quarter size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 1.00 in on June 1, 2026.

Over the 20 years 2006–2025, Avoca logged 6 reports on 5 hail days, about 0.3 reports a year. That is 33% less than the median Iowa town on this site (0.5 a year) and ranks #206 of 483 Iowa cities and towns on this site for all-time reports. Avoca accounts for 7% of the 260 reports filed in Pottawattamie County.

0% 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 1.75 in (golf ball) on September 24, 2019 near 0.52 E Avoca.

The busiest year was 2019, with 2 reports on 1 day. Hail here peaks in May (24% of reports); 53% fall between April and June.

Reports a year 2006–2025 average

  • Avoca 0.3
  • Pottawattamie County 6.2
  • Median Iowa town on this site 0.5

Hail days 2006–2025

  • Avoca 5
  • Pottawattamie County 67
  • Median Iowa town on this site 7

Share 2 in or larger of sized reports

  • Avoca 0%
  • Pottawattamie County 12%
  • Median Iowa town on this site 6%

Hail over time

012 1970: 1 reports, largest 1.00 in 1970 1974: 1 reports, largest 1.75 in 1980 1985: 1 reports, largest 1.75 in 1990 1998: 1 reports, largest 1.75 in 2000 2001: 1 reports, largest 1.75 in 2003: 2 reports, largest 1.00 in 2004: 1 reports, largest 1.00 in 2005: 2 reports, largest 1.00 in 2010: 1 reports, largest 1.50 in 2010 2013: 1 reports, largest 1.00 in 2017: 1 reports, largest 1.00 in 2018: 1 reports, largest 0.88 in 2019: 2 reports, largest 1.75 in 2020 2026: 1 reports, largest 1.00 in
Reports per year, 1970–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
01234 Jan Feb March: 1 reports (6%) Mar April: 2 reports (12%) Apr May: 4 reports (24%) May June: 3 reports (18%) Jun July: 4 reports (24%) Jul August: 1 reports (6%) Aug September: 2 reports (12%) Sep Oct Nov Dec
All 17 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 1 1
2025 0
2024 0
2023 0
2022 0
2021 0
2020 0
2019 2 2
2018 1 1
2017 1 1

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Jun 1, 2026 1 1.00 in —

Largest hail on record

Largest hail reports in Avoca
Date Size Location County Time · source
Sep 24, 2019 1.75 ingolf ball 0.52 E Avoca Pottawattamie 18:58 local · NCEI
May 13, 2001 1.75 ingolf ball Avoca Pottawattamie 07:00 local · NCEI
Jul 21, 1998 1.75 ingolf ball Avoca Pottawattamie 20:40 local · NCEI
Jun 16, 1985 1.75 ingolf ball — Pottawattamie 17:20 local · NCEI
Aug 13, 1974 1.75 ingolf ball — Pottawattamie 10:00 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 Avoca
Date Size Location County Time · source
Jun 1, 2026 1.00 inquarter 4.86 S Corley Shelby 00:07 local · NCEI
Sep 24, 2019 1.25 inhalf dollar 0.52 E Avoca Pottawattamie 19:00 local · NCEI
Sep 24, 2019 1.75 ingolf ball 0.52 E Avoca Pottawattamie 18:58 local · NCEI
Apr 13, 2018 0.88 innickel 0.52 E Avoca Pottawattamie 14:22 local · NCEI
Mar 6, 2017 1.00 inquarter 0.52 E Avoca Pottawattamie 16:50 local · NCEI
Jul 22, 2013 1.00 inquarter 3.96 ENE Avoca Pottawattamie 19:22 local · NCEI
Apr 5, 2010 1.50 inping pong ball Avoca Pottawattamie 23:05 local · NCEI
Jun 8, 2005 0.75 inpenny Avoca Pottawattamie 06:30 local · NCEI
May 10, 2005 1.00 inquarter Avoca Pottawattamie 21:10 local · NCEI
May 8, 2004 1.00 inquarter Avoca Pottawattamie 20:00 local · NCEI
Jul 9, 2003 1.00 inquarter Avoca Pottawattamie 14:10 local · NCEI
Jul 6, 2003 1.00 inquarter Avoca Pottawattamie 03:20 local · NCEI

Hail history near Avoca

Questions about hail in Avoca

How often does it hail in Avoca, Iowa?

17 hail reports have been logged in and within about 5 km (3 miles) of Avoca since 1970. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #206 of 483 Iowa places by number of reports.

When is hail season in Avoca?

Most reports come in May, July, June. May alone accounts for 24% of all reports.

What is the largest hail recorded in Avoca?

1.75 in (golf ball size) on September 24, 2019 near 0.52 E Avoca. 0% of reports here were 2 inches or larger.

When did it last hail in Avoca?

The most recent report in this data is from June 1, 2026 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Avoca 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 June 1, 2026.

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.