Hail history for Pierson, Iowa
NOAA hail reports in and within about 5 km (3 miles) of Pierson since 1996, with preliminary reports to November 3, 2026.
Readout · Pierson
- Last hail
- Jul 8, 2026
- 1.00 in, quarter size
- Hail days, last 5 years
- 1
- since Nov 3, 2021 · 1 report
- Largest ever
- 1.75 in
- golf ball · Jun 22, 2021
19 reports on 17 days since 1996 · #186 of 483 Iowa places
Hail map · Pierson
- 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 Pierson is from July 8, 2026. A local roofer can check and document it at no cost.
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What the record says about Pierson
The latest hail report in and around Pierson is from July 8, 2026, 1.00 in (quarter size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 1.00 in on July 8, 2026.
Over the 20 years 2006–2025, Pierson logged 9 reports on 8 hail days, about 0.5 reports a year. That is about the same as the median Iowa town on this site (0.5 a year) and ranks #186 of 483 Iowa cities and towns on this site for all-time reports. Pierson accounts for 5% of the 387 reports filed in Woodbury County.
0% 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 1.75 in (golf ball) on June 22, 2021 near 1.5 ENE Pierson.
Reports were down 71% in 2016–2025 (2) compared with 2006–2015 (7). The busiest year was 2004, with 3 reports on 2 days. Hail here peaks in June (32% of reports); 58% fall between April and June.
Reports a year 2006–2025 average
- Pierson 0.5
- Woodbury County 9.3
- Median Iowa town on this site 0.5
Hail days 2006–2025
- Pierson 8
- Woodbury County 74
- Median Iowa town on this site 7
Share 2 in or larger of sized reports
- Pierson 0%
- Woodbury County 4%
- 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 | 1 | 1 | |||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 2 | 2 | |||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jul 8, 2026 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jun 22, 2021 | 1.75 ingolf ball | 1.5 ENE Pierson | Woodbury | 17:46 local · NCEI |
| Aug 3, 2009 | 1.75 ingolf ball | 0.86 SE Pierson | Woodbury | 00:19 local · NCEI |
| Jun 22, 2021 | 1.25 inhalf dollar | 7.12 W Washta | Cherokee | 17:42 local · NCEI |
| Jul 8, 2026 | 1.00 inquarter | 0.86 SE Pierson | Woodbury | 16:07 local · NCEI |
| Oct 4, 2013 | 1.00 inquarter | 5.6 E Kingsley | Plymouth | 18:09 local · NCEI |
Size of every report
- Under 1 in 11 58%
- 1–2 in 8 42%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jul 8, 2026 | 1.00 inquarter | 0.86 SE Pierson | Woodbury | 16:07 local · NCEI |
| Jun 22, 2021 | 1.75 ingolf ball | 1.5 ENE Pierson | Woodbury | 17:46 local · NCEI |
| Jun 22, 2021 | 1.25 inhalf dollar | 7.12 W Washta | Cherokee | 17:42 local · NCEI |
| Oct 4, 2013 | 1.00 inquarter | 5.6 E Kingsley | Plymouth | 18:09 local · NCEI |
| Apr 9, 2011 | 1.00 inquarter | 3.16 NNW Correctionville | Woodbury | 19:10 local · NCEI |
| Aug 3, 2009 | 1.75 ingolf ball | 0.86 SE Pierson | Woodbury | 00:19 local · NCEI |
| Nov 5, 2008 | 0.88 innickel | 5.14 W Washta | Cherokee | 18:01 local · NCEI |
| May 6, 2008 | 0.88 innickel | 0.86 SE Pierson | Woodbury | 16:23 local · NCEI |
| Mar 31, 2007 | 0.88 innickel | Pierson | Woodbury | 16:05 local · NCEI |
| Jul 13, 2006 | 0.75 inpenny | 2 E Pierson | Woodbury | 14:05 local · NCEI |
| Jun 8, 2004 | 0.75 inpenny | Pierson | Woodbury | 16:30 local · NCEI |
| Jun 8, 2004 | 1.00 inquarter | 5 W Washta | Cherokee | 16:27 local · NCEI |
Hail history near Pierson
- Correctionville 10 km · 30
- Kingsley 10 km · 19
- Washta 13 km · 18
- Anthon 17 km · 19
- Moville 18 km · 14
- Holstein 27 km · 30
- Climbing Hill 29 km · 19
- Marcus 31 km · 15
Questions about hail in Pierson
How often does it hail in Pierson, Iowa?
19 hail reports have been logged in and within about 5 km (3 miles) of Pierson since 1996. Over the 20 years 2006–2025 that averages 0.5 reports a year. That ranks #186 of 483 Iowa places by number of reports.
When is hail season in Pierson?
Most reports come in June, May, July. June alone accounts for 32% of all reports.
What is the largest hail recorded in Pierson?
1.75 in (golf ball size) on June 22, 2021 near 1.5 ENE Pierson. 0% of reports here were 2 inches or larger.
When did it last hail in Pierson?
The most recent report in this data is from July 8, 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 Pierson 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 July 8, 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.