Hail history for Washington County, Iowa
Every NOAA hail report filed in Washington County since 1969, with preliminary National Weather Service reports to November 3, 2026.
Readout · Washington County
- Last hail
- Apr 15, 2026
- 1.00 in, quarter size
- Hail days, last 5 years
- 9
- since Nov 3, 2021 · 18 reports
- Largest ever
- 2.75 in
- baseball · Jun 6, 1999
101 reports on 65 days since 1969 · #83 of 100 Iowa counties
Hail map · Washington County
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
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What the record says about Washington County
The latest hail report in Washington County is from April 15, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 9 separate hail days; the biggest stones in that time were 2.50 in on April 2, 2026.
Over the 20 years 2006–2025, Washington County logged 69 reports on 45 hail days, about 3.5 reports a year. That is about the same as the median Iowa county (3.7 a year) and ranks #83 of 100 Iowa counties for all-time reports. Washington County holds 1% of all 16,032 hail reports in Iowa.
5% of reports with a size were 2 inches (hen egg) or larger, against 7% for the median Iowa county. The largest hail on record here is 2.75 in (baseball) on June 6, 1999 near Washington.
Reports were down 32% in 2016–2025 (28) compared with 2006–2015 (41). The busiest year was 2014, with 10 reports on 7 days. Hail here peaks in April (30% of reports); 71% fall between April and June.
Reports a year 2006–2025 average
- Washington County 3.5
- Median Iowa county 3.7
Hail days 2006–2025
- Washington County 45
- Median Iowa county 39.5
Share 2 in or larger of sized reports
- Washington County 5%
- Median Iowa county 7%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | 7 | 8 | ||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 2 | 1 | 3 | ||||||||||
| 2023 | 6 | 6 | |||||||||||
| 2022 | 1 | 1 | |||||||||||
| 2021 | 3 | 1 | 4 | ||||||||||
| 2020 | 2 | 2 | |||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 2 | 1 | 3 | ||||||||||
| 2017 | 4 | 1 | 1 | 1 | 2 | 9 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Apr 15, 2026 | 1 | 1.00 in | — |
| Apr 14, 2026 | 4 | 2.00 in | — |
| Apr 2, 2026 | 2 | 2.50 in | — |
| Mar 31, 2026 | 1 | 1.75 in | — |
| Oct 24, 2024 | 1 | 0.75 in | — |
| Apr 16, 2024 | 2 | 1.00 in | — |
| May 7, 2023 | 4 | 1.00 in | — |
| May 6, 2023 | 2 | 1.00 in | — |
| Jul 11, 2022 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Jun 6, 1999 | 2.75 inbaseball | Washington | — | 11:50 local · NCEI |
| Apr 2, 2026 | 2.50 intennis ball | 1.48 NNE Kalona | — | 15:13 local · NCEI |
| Apr 14, 2026 | 2.00 inhen egg | 0.52 E Noble | — | 17:29 local · NCEI |
| Jun 6, 2006 | 2.00 inhen egg | 2 ESE Riverside | $4K | 15:11 local · NCEI |
| May 26, 1985 | 2.00 inhen egg | — | — | 16:49 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
- Under 1 in 37 37%
- 1–2 in 59 58%
- 2 in + 5 5%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Apr 15, 2026 | 1.00 inquarter | 1.24 ENE Riverside | 18:42 local · NCEI |
| Apr 14, 2026 | 1.50 inping pong ball | 2.76 S Crawfordsville | 17:30 local · NCEI |
| Apr 14, 2026 | 2.00 inhen egg | 0.52 E Noble | 17:29 local · NCEI |
| Apr 14, 2026 | 1.75 ingolf ball | 0.52 E Lake Darling State Pk | 16:54 local · NCEI |
| Apr 14, 2026 | 1.75 ingolf ball | 0.52 W Wellman | 16:48 local · NCEI |
| Apr 2, 2026 | 1.75 ingolf ball | 0.86 NE Kalona | 15:13 local · NCEI |
| Apr 2, 2026 | 2.50 intennis ball | 1.48 NNE Kalona | 15:13 local · NCEI |
| Mar 31, 2026 | 1.75 ingolf ball | 2.95 NNE Washington | 08:29 local · NCEI |
| Oct 24, 2024 | 0.75 inpenny | 0.86 NW Washington Arpt | 19:04 local · NCEI |
| Apr 16, 2024 | 1.00 inquarter | 0.52 E Kalona | 15:03 local · NCEI |
| Apr 16, 2024 | 1.00 inquarter | 0.52 E Kalona | 14:57 local · NCEI |
| May 7, 2023 | 1.00 inquarter | 1.25 WNW Washington Arpt | 17:26 local · NCEI |
Cities and towns in Washington County
| Place | Reports | Largest |
|---|---|---|
| Washington | 30 | 2.75 in |
| Riverside | 16 | 1.75 in |
| Kalona | 11 | 2.50 in |
| Brighton | 10 | 1.75 in |
Smaller places with fewer than 10 reports
These places have too few reports for a page of their own, so their record lives here.
| Place | Reports | Hail days | Latest |
|---|---|---|---|
| Ainsworth | 8 | 8 | Sep 17, 2015 |
| Wellman | 8 | 7 | Apr 14, 2026 |
| Crawfordsville | 5 | 5 | Apr 14, 2026 |
| West Chester | 2 | 2 | Jun 20, 2021 |
| Kinross | 1 | 1 | May 20, 2004 |
Questions about hail in Washington County
How often does it hail in Washington County, Iowa?
101 hail reports have been logged in Washington County since 1969. Over the 20 years 2006–2025 that averages 3.5 reports a year. That ranks #83 of 100 Iowa counties by number of reports.
When is hail season in Washington County?
Most reports come in April, May, June. April alone accounts for 30% of all reports.
What is the largest hail recorded in Washington County?
2.75 in (baseball size) on June 6, 1999 near Washington. 5% of reports here were 2 inches or larger.
When did it last hail in Washington County?
The most recent report in this data is from April 15, 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 Washington County had in the last five years?
9 separate days with hail reports since November 3, 2021, adding up to 18 reports. The most recent was April 15, 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.