Hail history for Marshalltown, Iowa
NOAA hail reports in and within about 5 km (3 miles) of Marshalltown since 1960, with preliminary reports to November 3, 2026.
Readout · Marshalltown
- Last hail
- Apr 23, 2025
- 1.00 in, quarter size
- Hail days, last 5 years
- 3
- since Nov 3, 2021 · 9 reports
- Largest ever
- 2.00 in
- hen egg · May 11, 1962
47 reports on 32 days since 1960 · #33 of 483 Iowa places
Hail map · Marshalltown
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
Roof damage after hail? Get a free inspection
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 Marshalltown is from April 23, 2025. A local roofer can check and document it at no cost.
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What the record says about Marshalltown
The latest hail report in and around Marshalltown is from April 23, 2025, 1.00 in (quarter size). Since November 3, 2021 there have been 3 separate hail days; the biggest stones in that time were 1.00 in on April 23, 2025.
Over the 20 years 2006–2025, Marshalltown logged 27 reports on 15 hail days, about 1.4 reports a year. That is 3.0 times the median Iowa town on this site (0.5 a year) and ranks #33 of 483 Iowa cities and towns on this site for all-time reports. Marshalltown accounts for 31% of the 150 reports filed in Marshall County.
2% 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 2.00 in (hen egg) on May 11, 1962.
Reports were up 25% in 2016–2025 (15) compared with 2006–2015 (12). The busiest year was 2023, with 5 reports on 2 days. Hail here peaks in June (23% of reports); 60% fall between April and June.
Reports a year 2006–2025 average
- Marshalltown 1.4
- Marshall County 3.6
- Median Iowa town on this site 0.5
Hail days 2006–2025
- Marshalltown 15
- Marshall County 42
- Median Iowa town on this site 7
Share 2 in or larger of sized reports
- Marshalltown 2%
- Marshall County 6%
- Median Iowa town on this site 6%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 4 | 4 | |||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 5 | 5 | |||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 3 | 3 | |||||||||||
| 2018 | 2 | 2 | |||||||||||
| 2017 | 1 | 1 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Apr 23, 2025 | 4 | 1.00 in | — |
| Jul 28, 2023 | 1 | 1.00 in | — |
| Jul 13, 2023 | 4 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| May 11, 1962 | 2.00 inhen egg | — | Marshall | — | 14:00 local · NCEI |
| Jul 26, 2000 | 1.75 ingolf ball | Marshalltown | Marshall | $25K | 08:20 local · NCEI |
| Jun 5, 1997 | 1.75 ingolf ball | Marshalltown | Marshall | $25K | 13:40 local · NCEI |
| Mar 22, 1991 | 1.75 ingolf ball | — | Marshall | — | 17:00 local · NCEI |
| Aug 15, 1977 | 1.75 ingolf ball | — | Marshall | — | 17:20 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
- Under 1 in 20 43%
- 1–2 in 26 55%
- 2 in + 1 2%
Most recent reports
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Apr 23, 2025 | 1.00 inquarter | 1.69 WSW Marshalltown | Marshall | — | 17:39 local · NCEI |
| Apr 23, 2025 | 1.00 inquarter | 1.69 WSW Marshalltown | Marshall | — | 17:38 local · NCEI |
| Apr 23, 2025 | 1.00 inquarter | 1.54 W Marshalltown | Marshall | — | 17:37 local · NCEI |
| Apr 23, 2025 | 1.00 inquarter | 0.86 SE Marshalltown | Marshall | — | 17:37 local · NCEI |
| Jul 28, 2023 | 1.00 inquarter | 1.54 W Marshalltown | Marshall | — | 18:55 local · NCEI |
| Jul 13, 2023 | 1.00 inquarter | 2.81 S Marshalltown | Marshall | — | 19:31 local · NCEI |
| Jul 13, 2023 | 1.00 inquarter | 1.47 SSW Marshalltown | Marshall | — | 19:26 local · NCEI |
| Jul 13, 2023 | 0.88 innickel | 1.54 W Marshalltown | Marshall | — | 19:23 local · NCEI |
| Jul 13, 2023 | 1.00 inquarter | 0.51 W Marshalltown | Marshall | — | 19:18 local · NCEI |
| May 16, 2019 | 1.50 inping pong ball | 2.07 SE Marshalltown | Marshall | — | 18:54 local · NCEI |
| May 16, 2019 | 1.00 inquarter | 1.38 S Marshalltown | Marshall | — | 18:46 local · NCEI |
| May 16, 2019 | 1.50 inping pong ball | 1.47 SSE Marshalltown | Marshall | $100K | 18:44 local · NCEI |
Hail history near Marshalltown
Questions about hail in Marshalltown
How often does it hail in Marshalltown, Iowa?
47 hail reports have been logged in and within about 5 km (3 miles) of Marshalltown since 1960. Over the 20 years 2006–2025 that averages 1.4 reports a year. That ranks #33 of 483 Iowa places by number of reports.
When is hail season in Marshalltown?
Most reports come in June, July, April. June alone accounts for 23% of all reports.
What is the largest hail recorded in Marshalltown?
2.00 in (hen egg size) on May 11, 1962. 2% of reports here were 2 inches or larger.
When did it last hail in Marshalltown?
The most recent report in this data is from April 23, 2025 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Marshalltown had in the last five years?
3 separate days with hail reports since November 3, 2021, adding up to 9 reports. The most recent was April 23, 2025.
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.