Hail History

Hail history for Washington, Iowa

NOAA hail reports in and within about 5 km (3 miles) of Washington since 1985, with preliminary reports to November 3, 2026.

Readout · Washington

Last hail
Mar 31, 2026
1.75 in, golf ball size
Hail days, last 5 years
3
since Nov 3, 2021 · 5 reports
Largest ever
2.75 in
baseball · Jun 6, 1999

30 reports on 23 days since 1985 · #77 of 483 Iowa places

Hail map · Washington

Washington Brighton Kalona Riverside Conesville 5 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
30 most recent reports with a location; Washington County is shaded. Open street map

For homeowners

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What the record says about Washington

The latest hail report in and around Washington is from March 31, 2026, 1.75 in (golf ball size). Since November 3, 2021 there have been 3 separate hail days; the biggest stones in that time were 1.75 in on March 31, 2026.

Over the 20 years 2006–2025, Washington logged 21 reports on 16 hail days, about 1.1 reports a year. That is about twice the median Iowa town on this site (0.5 a year) and ranks #77 of 483 Iowa cities and towns on this site for all-time reports. Washington accounts for 30% of the 101 reports filed in Washington County.

7% 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 2.75 in (baseball) on June 6, 1999 near Washington.

Reports were down 38% in 2016–2025 (8) compared with 2006–2015 (13). The busiest year was 2014, with 4 reports on 2 days. Hail here peaks in May (30% of reports); 57% fall between April and June.

Reports a year 2006–2025 average

  • Washington 1.1
  • Washington County 3.5
  • Median Iowa town on this site 0.5

Hail days 2006–2025

  • Washington 16
  • Washington County 45
  • Median Iowa town on this site 7

Share 2 in or larger of sized reports

  • Washington 7%
  • Washington County 5%
  • Median Iowa town on this site 6%

Hail over time

01234 1985: 1 reports, largest 2.00 in 1990 1999: 1 reports, largest 2.75 in 2000: 3 reports, largest 1.75 in 2000 2004: 2 reports, largest 1.00 in 2005: 1 reports, largest 1.25 in 2006: 3 reports, largest 1.00 in 2007: 3 reports, largest 1.75 in 2010 2012: 1 reports, largest 1.00 in 2013: 1 reports, largest 1.00 in 2014: 4 reports, largest 1.00 in 2015: 1 reports, largest 1.00 in 2018: 2 reports, largest 0.88 in 2020 2021: 2 reports, largest 0.75 in 2023: 3 reports, largest 1.00 in 2024: 1 reports, largest 0.75 in 2026: 1 reports, largest 1.75 in
Reports per year, 1985–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0369 Jan February: 1 reports (3%) Feb March: 3 reports (10%) Mar April: 4 reports (13%) Apr May: 9 reports (30%) May June: 4 reports (13%) Jun July: 6 reports (20%) Jul Aug September: 1 reports (3%) Sep October: 2 reports (7%) Oct Nov Dec
All 30 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 1 1
2025 0
2024 1 1
2023 3 3
2022 0
2021 11 2
2020 0
2019 0
2018 11 2
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Mar 31, 2026 1 1.75 in —
Oct 24, 2024 1 0.75 in —
May 7, 2023 3 1.00 in —

Largest hail on record

Largest hail reports in Washington
Date Size Location County Time · source
Jun 6, 1999 2.75 inbaseball Washington Washington 11:50 local · NCEI
May 26, 1985 2.00 inhen egg — Washington 16:49 local · NCEI
Mar 31, 2026 1.75 ingolf ball 2.95 NNE Washington Washington 08:29 local · NCEI
Jul 16, 2007 1.75 ingolf ball 0.52 E Washington Washington 16:50 local · NCEI
May 18, 2000 1.75 ingolf ball Washington Washington 12:20 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 Washington
Date Size Location County Time · source
Mar 31, 2026 1.75 ingolf ball 2.95 NNE Washington Washington 08:29 local · NCEI
Oct 24, 2024 0.75 inpenny 0.86 NW Washington Arpt Washington 19:04 local · NCEI
May 7, 2023 1.00 inquarter 1.25 WNW Washington Arpt Washington 17:26 local · NCEI
May 7, 2023 1.00 inquarter 0.52 E Washington Washington 17:25 local · NCEI
May 7, 2023 1.00 inquarter 0.52 E Washington Washington 17:23 local · NCEI
Jul 9, 2021 0.75 inpenny Washington Washington 16:56 local · NCEI
Jun 18, 2021 0.75 inpenny 0.86 SE Washington Washington 22:52 local · NCEI
Jun 28, 2018 0.75 inpenny 0.52 E Washington Washington 14:15 local · NCEI
May 13, 2018 0.88 innickel 4.16 SW Washington Washington 13:37 local · NCEI
Apr 9, 2015 1.00 inquarter 0.86 NE Washington Washington 15:11 local · NCEI
Jul 22, 2014 0.88 innickel Washington Washington 05:45 local · NCEI
Jul 22, 2014 0.75 inpenny 0.52 E Washington Washington 05:45 local · NCEI

Hail history near Washington

Questions about hail in Washington

How often does it hail in Washington, Iowa?

30 hail reports have been logged in and within about 5 km (3 miles) of Washington since 1985. Over the 20 years 2006–2025 that averages 1.1 reports a year. That ranks #77 of 483 Iowa places by number of reports.

When is hail season in Washington?

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

What is the largest hail recorded in Washington?

2.75 in (baseball size) on June 6, 1999 near Washington. 7% of reports here were 2 inches or larger.

When did it last hail in Washington?

The most recent report in this data is from March 31, 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 Washington had in the last five years?

3 separate days with hail reports since November 3, 2021, adding up to 5 reports. The most recent was March 31, 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.