Hail History

Hail history for Arnolds Park, Iowa

NOAA hail reports in and within about 5 km (3 miles) of Arnolds Park since 1984, with preliminary reports to November 3, 2026.

Readout · Arnolds Park

Last hail
Aug 8, 2026
1.75 in, golf ball size · preliminary
Hail days, last 5 years
2
since Nov 3, 2021 · 2 reports
Largest ever
1.75 in
golf ball · Aug 8, 2026

11 reports on 11 days since 1984 · #393 of 483 Iowa places

Hail map · Arnolds Park

Arnolds Park Milford Spirit Lake Terril Lake Park 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; Dickinson County is shaded. Open street map

For homeowners

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What the record says about Arnolds Park

The latest hail report in and around Arnolds Park is from August 8, 2026, 1.75 in (golf ball size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.75 in on August 8, 2026.

Over the 20 years 2006–2025, Arnolds Park logged 4 reports on 4 hail days, about 0.2 reports a year. That is about half the median Iowa town on this site (0.5 a year) and ranks #393 of 483 Iowa cities and towns on this site for all-time reports. Arnolds Park accounts for 6% of the 179 reports filed in Dickinson 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 August 8, 2026 near 1 S Arnolds Park.

The busiest year was 1985, with 2 reports on 2 days. Hail here peaks in June (36% of reports); 73% fall between April and June.

Reports a year 2006–2025 average

  • Arnolds Park 0.2
  • Dickinson County 4.0
  • Median Iowa town on this site 0.5

Hail days 2006–2025

  • Arnolds Park 4
  • Dickinson County 40
  • Median Iowa town on this site 7

Share 2 in or larger of sized reports

  • Arnolds Park 0%
  • Dickinson County 3%
  • Median Iowa town on this site 6%

Hail over time

012 1984: 1 reports, largest 1.00 in 1985: 2 reports, largest 1.00 in 1990 2000 2001: 1 reports, largest 1.00 in 2004: 1 reports, largest 1.00 in 2005: 1 reports, largest 0.75 in 2009: 1 reports, largest 0.88 in 2010 2016: 1 reports, largest 0.88 in 2018: 1 reports, largest 1.00 in 2020 2023: 1 reports, largest 0.75 in 2026: 1 reports, largest 1.75 in
Reports per year, 1984–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
01234 Jan Feb Mar April: 2 reports (18%) Apr May: 2 reports (18%) May June: 4 reports (36%) Jun July: 2 reports (18%) Jul August: 1 reports (9%) Aug Sep Oct Nov Dec
All 11 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 1 1
2025 0
2024 0
2023 1 1
2022 0
2021 0
2020 0
2019 0
2018 1 1
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Aug 8, 2026 1 1.75 in View
Jul 10, 2023 1 0.75 in —

Largest hail on record

Largest hail reports in Arnolds Park
Date Size Location County Time · source
Aug 8, 2026 1.75 ingolf ball 1 S Arnolds Park Dickinson 09:20 UTC · NWS prelim.
Jun 8, 2018 1.00 inquarter 0.69 S Arnolds Park Dickinson 18:02 local · NCEI
May 19, 2004 1.00 inquarter Arnolds Park Dickinson 16:24 local · NCEI
Apr 30, 2001 1.00 inquarter Arnolds Park Dickinson 16:52 local · NCEI
Jun 14, 1985 1.00 inquarter — Dickinson 18:30 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 Arnolds Park
Date Size Location County Time · source
Aug 8, 2026 1.75 ingolf ball 1 S Arnolds Park Dickinson 09:20 UTC · NWS prelim.
Jul 10, 2023 0.75 inpenny Arnolds Park Dickinson 16:43 local · NCEI
Jun 8, 2018 1.00 inquarter 0.69 S Arnolds Park Dickinson 18:02 local · NCEI
Jun 10, 2016 0.88 innickel 0.85 SW Arnolds Park Dickinson 17:15 local · NCEI
Jul 14, 2009 0.88 innickel 0.69 S Arnolds Park Dickinson 18:46 local · NCEI
May 8, 2005 0.75 inpenny 2 S Okoboji Dickinson 15:38 local · NCEI
May 19, 2004 1.00 inquarter Arnolds Park Dickinson 16:24 local · NCEI
Apr 30, 2001 1.00 inquarter Arnolds Park Dickinson 16:52 local · NCEI
Jun 14, 1985 1.00 inquarter — Dickinson 18:30 local · NCEI
Apr 20, 1985 1.00 inquarter — Dickinson 22:00 local · NCEI
Jun 22, 1984 1.00 inquarter — Dickinson 14:35 local · NCEI

Hail history near Arnolds Park

Questions about hail in Arnolds Park

How often does it hail in Arnolds Park, Iowa?

11 hail reports have been logged in and within about 5 km (3 miles) of Arnolds Park since 1984. Over the 20 years 2006–2025 that averages 0.2 reports a year. That ranks #393 of 483 Iowa places by number of reports.

When is hail season in Arnolds Park?

Most reports come in June, April, May. June alone accounts for 36% of all reports.

What is the largest hail recorded in Arnolds Park?

1.75 in (golf ball size) on August 8, 2026 near 1 S Arnolds Park. 0% of reports here were 2 inches or larger.

When did it last hail in Arnolds Park?

The most recent report in this data is from August 8, 2026 (1.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

2 separate days with hail reports since November 3, 2021, adding up to 2 reports. The most recent was August 8, 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.