Hail history for Postville, Iowa
NOAA hail reports in and within about 5 km (3 miles) of Postville since 1978, with preliminary reports to November 3, 2026.
Readout · Postville
- Last hail
- Apr 17, 2026
- 1.00 in, quarter size
- Hail days, last 5 years
- 2
- since Nov 3, 2021 · 3 reports
- Largest ever
- 2.00 in
- hen egg · Aug 18, 1978
13 reports on 11 days since 1978 · #336 of 483 Iowa places
Hail map · Postville
- 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 Postville is from April 17, 2026. A local roofer can check and document it at no cost.
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What the record says about Postville
The latest hail report in and around Postville is from April 17, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.00 in on April 17, 2026.
Over the 20 years 2006–2025, Postville logged 5 reports on 4 hail days, about 0.3 reports a year. That is 44% less than the median Iowa town on this site (0.5 a year) and ranks #336 of 483 Iowa cities and towns on this site for all-time reports. Postville accounts for 14% of the 96 reports filed in Allamakee County.
8% 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 August 18, 1978.
The busiest year was 2022, with 2 reports on 1 day. Hail here peaks in April (23% of reports); 62% fall between April and June.
Reports a year 2006–2025 average
- Postville 0.3
- Allamakee County 2.1
- Median Iowa town on this site 0.5
Hail days 2006–2025
- Postville 4
- Allamakee County 22
- Median Iowa town on this site 7
Share 2 in or larger of sized reports
- Postville 8%
- Allamakee County 7%
- 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 | 2 | 2 | |||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 1 | 1 | |||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Apr 17, 2026 | 1 | 1.00 in | — |
| Jun 28, 2022 | 2 | 0.88 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Aug 18, 1978 | 2.00 inhen egg | — | Allamakee | 02:13 local · NCEI |
| Apr 18, 2002 | 1.75 ingolf ball | 4 N Postville | Allamakee | 17:45 local · NCEI |
| Sep 9, 1991 | 1.75 ingolf ball | — | Allamakee | 17:14 local · NCEI |
| Apr 17, 2026 | 1.00 inquarter | 0.5 E Postville | Allamakee | 15:18 local · NCEI |
| Apr 18, 2002 | 1.00 inquarter | Postville | Allamakee | 18:50 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 8 62%
- 1–2 in 4 31%
- 2 in + 1 8%
Most recent reports
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Apr 17, 2026 | 1.00 inquarter | 0.5 E Postville | Allamakee | — | 15:18 local · NCEI |
| Jun 28, 2022 | 0.88 innickel | 2.45 SW Luana | Clayton | — | 19:21 local · NCEI |
| Jun 28, 2022 | 0.75 inpenny | 2.62 WSW Luana | Clayton | — | 19:18 local · NCEI |
| Aug 28, 2018 | 0.88 innickel | 2.13 WSW Luana | Clayton | — | 09:34 local · NCEI |
| Jul 30, 2009 | 0.75 inpenny | 5.32 ESE Castalia | Winneshiek | — | 19:08 local · NCEI |
| May 31, 2008 | 0.88 innickel | 3.11 WNW Luana | Clayton | — | 17:33 local · NCEI |
| Apr 18, 2002 | 1.00 inquarter | Postville | Allamakee | — | 18:50 local · NCEI |
| Apr 18, 2002 | 1.75 ingolf ball | 4 N Postville | Allamakee | — | 17:45 local · NCEI |
| Aug 12, 1999 | 0.75 inpenny | Postville | Allamakee | $2K | 19:33 local · NCEI |
| May 16, 1999 | 0.75 inpenny | Postville | Allamakee | — | 13:20 local · NCEI |
| Jun 20, 1998 | 0.75 inpenny | Postville | Allamakee | — | 16:15 local · NCEI |
| Sep 9, 1991 | 1.75 ingolf ball | — | Allamakee | — | 17:14 local · NCEI |
Hail history near Postville
Questions about hail in Postville
How often does it hail in Postville, Iowa?
13 hail reports have been logged in and within about 5 km (3 miles) of Postville since 1978. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #336 of 483 Iowa places by number of reports.
When is hail season in Postville?
Most reports come in April, June, August. April alone accounts for 23% of all reports.
What is the largest hail recorded in Postville?
2.00 in (hen egg size) on August 18, 1978. 8% of reports here were 2 inches or larger.
When did it last hail in Postville?
The most recent report in this data is from April 17, 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 Postville had in the last five years?
2 separate days with hail reports since November 3, 2021, adding up to 3 reports. The most recent was April 17, 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.