Hail history for Henry County, Iowa
Every NOAA hail report filed in Henry County since 1965, with preliminary National Weather Service reports to November 3, 2026.
Readout · Henry County
- Last hail
- Aug 12, 2026
- 1.25 in, half dollar size · preliminary
- Hail days, last 5 years
- 8
- since Nov 3, 2021 · 13 reports
- Largest ever
- 4.00 in
- grapefruit · Apr 21, 1973
108 reports on 56 days since 1965 · #78 of 100 Iowa counties
Hail map · Henry 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 Henry County
The latest hail report in Henry County is from August 12, 2026, 1.25 in (half dollar size). Since November 3, 2021 there have been 8 separate hail days; the biggest stones in that time were 2.00 in on May 7, 2023.
Over the 20 years 2006–2025, Henry County logged 72 reports on 33 hail days, about 3.6 reports a year. That is about the same as the median Iowa county (3.7 a year) and ranks #78 of 100 Iowa counties for all-time reports. Henry County holds 1% of all 16,032 hail reports in Iowa.
7% 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 4.00 in (grapefruit) on April 21, 1973.
Reports were down 36% in 2016–2025 (28) compared with 2006–2015 (44). The busiest year was 2006, with 15 reports on 4 days. Hail here peaks in April (25% of reports); 57% fall between April and June.
Reports a year 2006–2025 average
- Henry County 3.6
- Median Iowa county 3.7
Hail days 2006–2025
- Henry County 33
- Median Iowa county 39.5
Share 2 in or larger of sized reports
- Henry County 7%
- Median Iowa county 7%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 5 | 2 | 7 | ||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 1 | 1 | 2 | ||||||||||
| 2023 | 1 | 2 | 1 | 4 | |||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 4 | 4 | |||||||||||
| 2020 | 3 | 3 | |||||||||||
| 2019 | 1 | 1 | |||||||||||
| 2018 | 1 | 1 | |||||||||||
| 2017 | 3 | 6 | 2 | 11 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Aug 12, 2026 | 2 | 1.25 in | View |
| Mar 31, 2026 | 3 | 1.75 in | — |
| Mar 10, 2026 | 2 | 1.25 in | — |
| Apr 16, 2024 | 1 | 0.88 in | — |
| Mar 4, 2024 | 1 | 1.75 in | — |
| Jun 4, 2023 | 1 | 0.88 in | — |
| May 7, 2023 | 2 | 2.00 in | — |
| Mar 31, 2023 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Apr 21, 1973 | 4.00 ingrapefruit | — | — | 15:00 local · NCEI |
| May 7, 2023 | 2.00 inhen egg | 1.73 SW Mt Pleasant | — | 18:20 local · NCEI |
| May 17, 2017 | 2.00 inhen egg | 1.56 E Rome | — | 18:37 local · NCEI |
| Mar 12, 2006 | 2.00 inhen egg | 8 S Mt Pleasant | — | 18:07 local · NCEI |
| Mar 12, 2006 | 2.00 inhen egg | Countywide | $20K | 18:00 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 47 44%
- 1–2 in 54 50%
- 2 in + 7 6%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Aug 12, 2026 | 1.25 inhalf dollar | 1 SSW New London | 12:30 UTC · NWS prelim. |
| Aug 12, 2026 | 0.70 inmarble | New London | 12:29 UTC · NWS prelim. |
| Mar 31, 2026 | 1.75 ingolf ball | 0.52 E Wayland | 06:18 local · NCEI |
| Mar 31, 2026 | 1.00 inquarter | 0.52 E Wayland | 06:16 local · NCEI |
| Mar 31, 2026 | 1.00 inquarter | 0.52 E Wayland | 06:15 local · NCEI |
| Mar 10, 2026 | 1.25 inhalf dollar | 2.08 E Swedesburg | 18:30 local · NCEI |
| Mar 10, 2026 | 1.00 inquarter | 0.52 E Wayland | 17:39 local · NCEI |
| Apr 16, 2024 | 0.88 innickel | Salem | 16:51 local · NCEI |
| Mar 4, 2024 | 1.75 ingolf ball | 1.73 NE Hillsboro | 15:25 local · NCEI |
| Jun 4, 2023 | 0.88 innickel | 4.18 S Mt Union | 13:53 local · NCEI |
| May 7, 2023 | 2.00 inhen egg | 1.73 SW Mt Pleasant | 18:20 local · NCEI |
| May 7, 2023 | 1.25 inhalf dollar | 0.52 E Wayland | 00:23 local · NCEI |
Cities and towns in Henry County
| Place | Reports | Largest |
|---|---|---|
| Mount Pleasant | 29 | 2.00 in |
| New London | 20 | 4.00 in |
| Wayland | 13 | 2.00 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 |
|---|---|---|---|
| Salem | 8 | 6 | Apr 16, 2024 |
| Lowell | 7 | 6 | Jun 24, 2023 |
| Hillsboro | 6 | 4 | Jun 13, 2024 |
| Mount Union | 6 | 6 | Jul 9, 2021 |
| Olds | 5 | 4 | Apr 8, 2015 |
| Westwood | 4 | 4 | Jul 20, 2017 |
| Swedesburg | 3 | 3 | Mar 10, 2026 |
| Winfield | 3 | 3 | Mar 15, 2016 |
| Rome | 1 | 1 | May 17, 2017 |
| Trenton | 1 | 1 | Oct 3, 2000 |
Questions about hail in Henry County
How often does it hail in Henry County, Iowa?
108 hail reports have been logged in Henry County since 1965. Over the 20 years 2006–2025 that averages 3.6 reports a year. That ranks #78 of 100 Iowa counties by number of reports.
When is hail season in Henry County?
Most reports come in April, March, June. April alone accounts for 25% of all reports.
What is the largest hail recorded in Henry County?
4.00 in (grapefruit size) on April 21, 1973. 6% of reports here were 2 inches or larger.
When did it last hail in Henry County?
The most recent report in this data is from August 12, 2026 (1.25 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Henry County had in the last five years?
8 separate days with hail reports since November 3, 2021, adding up to 13 reports. The most recent was August 12, 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.