Hail history for Treynor, Iowa
NOAA hail reports in and within about 5 km (3 miles) of Treynor since 1968, with preliminary reports to November 3, 2026.
Readout · Treynor
- Last hail
- Jun 5, 2020
- 2.00 in, hen egg size
- Hail days, last 5 years
- 0
- since Nov 3, 2021 · 0 reports
- Largest ever
- 2.75 in
- baseball · Jun 23, 1996
15 reports on 15 days since 1968 · #276 of 483 Iowa places
Hail map · Treynor
- 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 Treynor is from June 5, 2020. A local roofer can check and document it at no cost.
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What the record says about Treynor
The latest hail report in and around Treynor is from June 5, 2020, 2.00 in (hen egg size). There has been no hail report here in the five years since November 3, 2021.
Over the 20 years 2006–2025, Treynor logged 5 reports on 5 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 #276 of 483 Iowa cities and towns on this site for all-time reports. Treynor accounts for 6% of the 260 reports filed in Pottawattamie County.
20% 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 June 23, 1996 near Treynor.
The busiest year was 2001, with 2 reports on 2 days. Hail here peaks in June (40% of reports); 67% fall between April and June.
Reports a year 2006–2025 average
- Treynor 0.3
- Pottawattamie County 6.2
- Median Iowa town on this site 0.5
Hail days 2006–2025
- Treynor 5
- Pottawattamie County 67
- Median Iowa town on this site 7
Share 2 in or larger of sized reports
- Treynor 20%
- Pottawattamie County 12%
- 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 | 0 | ||||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 1 | 1 | |||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Largest hail on record
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Jun 23, 1996 | 2.75 inbaseball | Treynor | Pottawattamie | $10K | 16:11 local · NCEI |
| Jun 13, 1990 | 2.75 inbaseball | — | Pottawattamie | — | 20:30 local · NCEI |
| Jun 5, 2020 | 2.00 inhen egg | 0.52 E Treynor | Pottawattamie | — | 18:37 local · NCEI |
| Sep 20, 2001 | 1.75 ingolf ball | 4 S Treynor | Pottawattamie | — | 09:40 local · NCEI |
| Aug 24, 1975 | 1.75 ingolf ball | — | Pottawattamie | — | 19:30 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 5 33%
- 1–2 in 7 47%
- 2 in + 3 20%
Most recent reports
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Jun 5, 2020 | 2.00 inhen egg | 0.52 E Treynor | Pottawattamie | — | 18:37 local · NCEI |
| Apr 12, 2014 | 0.75 inpenny | 0.52 E Treynor | Pottawattamie | — | 17:55 local · NCEI |
| Apr 26, 2009 | 1.00 inquarter | 2.81 N Treynor | Pottawattamie | — | 08:25 local · NCEI |
| Jul 7, 2008 | 0.75 inpenny | 2.81 S Treynor | Pottawattamie | — | 16:30 local · NCEI |
| Apr 11, 2006 | 0.75 inpenny | 3 S Treynor | Pottawattamie | — | 18:07 local · NCEI |
| Jun 24, 2003 | 1.00 inquarter | Treynor | Pottawattamie | — | 17:20 local · NCEI |
| Jul 25, 2002 | 1.00 inquarter | 3 NE Treynor | Pottawattamie | — | 05:00 local · NCEI |
| Oct 22, 2001 | 0.88 innickel | Treynor | Pottawattamie | — | 12:00 local · NCEI |
| Sep 20, 2001 | 1.75 ingolf ball | 4 S Treynor | Pottawattamie | — | 09:40 local · NCEI |
| Jun 23, 1996 | 2.75 inbaseball | Treynor | Pottawattamie | $10K | 16:11 local · NCEI |
| Jun 13, 1990 | 2.75 inbaseball | — | Pottawattamie | — | 20:30 local · NCEI |
| May 10, 1986 | 1.50 inping pong ball | — | Pottawattamie | — | 00:45 local · NCEI |
Hail history near Treynor
- Henderson 18 km · 12
- Oakland 19 km · 22
- Council Bluffs 21 km · 70
- Glenwood 24 km · 39
- Malvern 25 km · 24
- Crescent 26 km · 15
- Pacific Junction 29 km · 20
- Emerson 29 km · 13
Questions about hail in Treynor
How often does it hail in Treynor, Iowa?
15 hail reports have been logged in and within about 5 km (3 miles) of Treynor since 1968. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #276 of 483 Iowa places by number of reports.
When is hail season in Treynor?
Most reports come in June, April, July. June alone accounts for 40% of all reports.
What is the largest hail recorded in Treynor?
2.75 in (baseball size) on June 23, 1996 near Treynor. 20% of reports here were 2 inches or larger.
When did it last hail in Treynor?
The most recent report in this data is from June 5, 2020 (2.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Treynor had in the last five years?
None: there has been no hail report in and within about 5 km (3 miles) of Treynor since November 3, 2021. The last one was on June 5, 2020.
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.