Hail history for Dumont, Iowa
NOAA hail reports in and within about 5 km (3 miles) of Dumont since 1980, with preliminary reports to November 3, 2026.
Readout · Dumont
- Last hail
- Aug 15, 2025
- 1.00 in, quarter size
- Hail days, last 5 years
- 3
- since Nov 3, 2021 · 3 reports
- Largest ever
- 2.75 in
- baseball · Jul 31, 2003
25 reports on 15 days since 1980 · #105 of 483 Iowa places
Hail map · Dumont
- 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 Dumont
The latest hail report in and around Dumont is from August 15, 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 August 15, 2025.
Over the 20 years 2006–2025, Dumont logged 10 reports on 8 hail days, about 0.5 reports a year. That is 11% more than the median Iowa town on this site (0.5 a year) and ranks #105 of 483 Iowa cities and towns on this site for all-time reports. Dumont accounts for 14% of the 175 reports filed in Butler County.
4% 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 July 31, 2003 near 2 S Dumont.
Reports were up 300% in 2016–2025 (8) compared with 2006–2015 (2). The busiest year was 2003, with 4 reports on 1 day. Hail here peaks in June (36% of reports); 60% fall between April and June.
Reports a year 2006–2025 average
- Dumont 0.5
- Butler County 5.0
- Median Iowa town on this site 0.5
Hail days 2006–2025
- Dumont 8
- Butler County 36
- Median Iowa town on this site 7
Share 2 in or larger of sized reports
- Dumont 4%
- Butler 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 | 1 | 1 | |||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 1 | 1 | 2 | ||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 1 | 1 | 2 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Aug 15, 2025 | 1 | 1.00 in | — |
| Aug 11, 2023 | 1 | 0.88 in | — |
| Apr 4, 2023 | 1 | 0.88 in | — |
Largest hail on record
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Jul 31, 2003 | 2.75 inbaseball | 2 S Dumont | Butler | $25K | 22:57 local · NCEI |
| Jul 17, 2016 | 1.25 inhalf dollar | 1.52 E Dumont | Butler | — | 09:35 local · NCEI |
| Aug 15, 2025 | 1.00 inquarter | Dumont | Butler | — | 13:45 local · NCEI |
| May 15, 2017 | 1.00 inquarter | Dumont | Butler | — | 18:05 local · NCEI |
| Jul 17, 2016 | 1.00 inquarter | 0.86 NW Dumont | Butler | — | 09:33 local · NCEI |
Size of every report
- Under 1 in 14 56%
- 1–2 in 10 40%
- 2 in + 1 4%
Most recent reports
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Aug 15, 2025 | 1.00 inquarter | Dumont | Butler | — | 13:45 local · NCEI |
| Aug 11, 2023 | 0.88 innickel | 1.52 E Dumont | Butler | — | 10:04 local · NCEI |
| Apr 4, 2023 | 0.88 innickel | 2.07 S Dumont | Butler | — | 17:50 local · NCEI |
| Jun 22, 2017 | 0.88 innickel | 1.38 N Dumont | Butler | — | 20:03 local · NCEI |
| May 15, 2017 | 1.00 inquarter | Dumont | Butler | — | 18:05 local · NCEI |
| Jul 17, 2016 | 1.25 inhalf dollar | 1.52 E Dumont | Butler | — | 09:35 local · NCEI |
| Jul 17, 2016 | 1.00 inquarter | 0.86 NW Dumont | Butler | — | 09:33 local · NCEI |
| Jul 17, 2016 | 1.00 inquarter | 0.51 W Dumont | Butler | — | 09:13 local · NCEI |
| May 24, 2012 | 1.00 inquarter | 3.49 S Dumont | Butler | $1K | 14:50 local · NCEI |
| Apr 2, 2007 | 0.88 innickel | Dumont | Butler | $1K | 22:00 local · NCEI |
| Jul 31, 2003 | 2.75 inbaseball | 2 S Dumont | Butler | $25K | 22:57 local · NCEI |
| Jul 31, 2003 | 0.88 innickel | Dumont | Butler | $2K | 22:55 local · NCEI |
Hail history near Dumont
- Aredale 9 km · 11
- Allison 15 km · 21
- Hampton 19 km · 27
- Greene 21 km · 12
- Ackley 23 km · 19
- Sheffield 24 km · 12
- Marble Rock 25 km · 28
- Clarksville 25 km · 18
Questions about hail in Dumont
How often does it hail in Dumont, Iowa?
25 hail reports have been logged in and within about 5 km (3 miles) of Dumont since 1980. Over the 20 years 2006–2025 that averages 0.5 reports a year. That ranks #105 of 483 Iowa places by number of reports.
When is hail season in Dumont?
Most reports come in June, July, May. June alone accounts for 36% of all reports.
What is the largest hail recorded in Dumont?
2.75 in (baseball size) on July 31, 2003 near 2 S Dumont. 4% of reports here were 2 inches or larger.
When did it last hail in Dumont?
The most recent report in this data is from August 15, 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 Dumont had in the last five years?
3 separate days with hail reports since November 3, 2021, adding up to 3 reports. The most recent was August 15, 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.