Hail history for Clarksville, Iowa
NOAA hail reports in and within about 5 km (3 miles) of Clarksville since 1962, with preliminary reports to November 3, 2026.
Readout · Clarksville
- Last hail
- Sep 16, 2025
- 0.75 in, penny size
- Hail days, last 5 years
- 1
- since Nov 3, 2021 · 1 report
- Largest ever
- 2.00 in
- hen egg · Apr 12, 2014
18 reports on 16 days since 1962 · #193 of 483 Iowa places
Hail map · Clarksville
- 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 Clarksville is from September 16, 2025. A local roofer can check and document it at no cost.
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What the record says about Clarksville
The latest hail report in and around Clarksville is from September 16, 2025, 0.75 in (penny size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 0.75 in on September 16, 2025.
Over the 20 years 2006–2025, Clarksville logged 13 reports on 11 hail days, about 0.7 reports a year. That is 44% more than the median Iowa town on this site (0.5 a year) and ranks #193 of 483 Iowa cities and towns on this site for all-time reports. Clarksville accounts for 10% of the 175 reports filed in Butler County.
6% 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 April 12, 2014 near 2.9 NE Clarksville.
Reports were down 38% in 2016–2025 (5) compared with 2006–2015 (8). The busiest year was 2014, with 3 reports on 2 days. Hail here peaks in June (28% of reports); 61% fall between April and June.
Reports a year 2006–2025 average
- Clarksville 0.7
- Butler County 5.0
- Median Iowa town on this site 0.5
Hail days 2006–2025
- Clarksville 11
- Butler County 36
- Median Iowa town on this site 7
Share 2 in or larger of sized reports
- Clarksville 6%
- 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 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 1 | 1 | |||||||||||
| 2020 | 1 | 1 | |||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 1 | 1 | |||||||||||
| 2017 | 1 | 1 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Sep 16, 2025 | 1 | 0.75 in | — |
Largest hail on record
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Apr 12, 2014 | 2.00 inhen egg | 2.9 NE Clarksville | Butler | $10K | 17:40 local · NCEI |
| Jul 14, 2021 | 1.25 inhalf dollar | Clarksville | Butler | — | 16:14 local · NCEI |
| Apr 24, 2009 | 1.25 inhalf dollar | Clarksville | Butler | $3K | 19:02 local · NCEI |
| Jun 21, 2020 | 1.00 inquarter | Clarksville | Butler | — | 18:30 local · NCEI |
| Jun 9, 2018 | 1.00 inquarter | 2.07 N Clarksville | Butler | — | 17:10 local · NCEI |
Size of every report
- Under 1 in 9 50%
- 1–2 in 8 44%
- 2 in + 1 6%
Most recent reports
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Sep 16, 2025 | 0.75 inpenny | Clarksville | Butler | — | 17:00 local · NCEI |
| Jul 14, 2021 | 1.25 inhalf dollar | Clarksville | Butler | — | 16:14 local · NCEI |
| Jun 21, 2020 | 1.00 inquarter | Clarksville | Butler | — | 18:30 local · NCEI |
| Jun 9, 2018 | 1.00 inquarter | 2.07 N Clarksville | Butler | — | 17:10 local · NCEI |
| Jun 15, 2017 | 0.75 inpenny | Clarksville | Butler | — | 17:20 local · NCEI |
| Jun 29, 2014 | 1.00 inquarter | 0.69 N Clarksville | Butler | $5K | 18:56 local · NCEI |
| Apr 12, 2014 | 2.00 inhen egg | 2.9 NE Clarksville | Butler | $10K | 17:40 local · NCEI |
| Apr 12, 2014 | 1.00 inquarter | Clarksville | Butler | $5K | 17:30 local · NCEI |
| Apr 24, 2009 | 1.25 inhalf dollar | Clarksville | Butler | $3K | 19:02 local · NCEI |
| Apr 24, 2008 | 0.88 innickel | 1.52 E Clarksville | Butler | $1K | 21:03 local · NCEI |
| Jul 16, 2007 | 1.00 inquarter | Clarksville | Butler | $10K | 17:30 local · NCEI |
| Jul 16, 2007 | 1.00 inquarter | Clarksville | Butler | $10K | 17:24 local · NCEI |
Hail history near Clarksville
- Allison 11 km · 21
- Plainfield 13 km · 10
- Waverly 17 km · 22
- Greene 17 km · 12
- Nashua 22 km · 12
- Janesville 22 km · 10
- Dumont 25 km · 25
- Parkersburg 25 km · 17
Questions about hail in Clarksville
How often does it hail in Clarksville, Iowa?
18 hail reports have been logged in and within about 5 km (3 miles) of Clarksville since 1962. Over the 20 years 2006–2025 that averages 0.7 reports a year. That ranks #193 of 483 Iowa places by number of reports.
When is hail season in Clarksville?
Most reports come in June, April, July. June alone accounts for 28% of all reports.
What is the largest hail recorded in Clarksville?
2.00 in (hen egg size) on April 12, 2014 near 2.9 NE Clarksville. 6% of reports here were 2 inches or larger.
When did it last hail in Clarksville?
The most recent report in this data is from September 16, 2025 (0.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Clarksville had in the last five years?
1 separate days with hail reports since November 3, 2021, adding up to 1 reports. The most recent was September 16, 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.