Hail history for Pomeroy, Iowa
NOAA hail reports in and within about 5 km (3 miles) of Pomeroy since 1980, with preliminary reports to November 3, 2026.
Readout · Pomeroy
- Last hail
- Jun 16, 2025
- 0.75 in, penny size
- Hail days, last 5 years
- 1
- since Nov 3, 2021 · 1 report
- Largest ever
- 1.75 in
- golf ball · Oct 4, 2013
16 reports on 13 days since 1980 · #252 of 483 Iowa places
Hail map · Pomeroy
- 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 Pomeroy
The latest hail report in and around Pomeroy is from June 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 June 16, 2025.
Over the 20 years 2006–2025, Pomeroy 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 #252 of 483 Iowa cities and towns on this site for all-time reports. Pomeroy accounts for 12% of the 135 reports filed in Calhoun 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 October 4, 2013 near 2.07 S Pomeroy.
Reports held about level in 2016–2025 (6) compared with 2006–2015 (7). The busiest year was 2017, with 2 reports on 1 day. Hail here peaks in June (38% of reports); 38% fall between April and June.
Reports a year 2006–2025 average
- Pomeroy 0.7
- Calhoun County 3.8
- Median Iowa town on this site 0.5
Hail days 2006–2025
- Pomeroy 11
- Calhoun County 43
- Median Iowa town on this site 7
Share 2 in or larger of sized reports
- Pomeroy 0%
- Calhoun County 11%
- 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 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 1 | 1 | |||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 2 | 2 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jun 16, 2025 | 1 | 0.75 in | — |
Largest hail on record
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Oct 4, 2013 | 1.75 ingolf ball | 2.07 S Pomeroy | Calhoun | $20K | 20:05 local · NCEI |
| Jun 18, 1980 | 1.75 ingolf ball | — | Calhoun | — | 17:55 local · NCEI |
| Jul 11, 2016 | 1.25 inhalf dollar | 2.54 W Blanden | Pocahontas | — | 20:23 local · NCEI |
| Sep 29, 2019 | 1.00 inquarter | 0.69 S Pomeroy | Calhoun | — | 15:33 local · NCEI |
| Jun 16, 2017 | 1.00 inquarter | Pomeroy | Calhoun | — | 18:22 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 50%
- 1–2 in 8 50%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Jun 16, 2025 | 0.75 inpenny | Pomeroy | Calhoun | — | 17:42 local · NCEI |
| Sep 29, 2019 | 1.00 inquarter | 0.69 S Pomeroy | Calhoun | — | 15:33 local · NCEI |
| Jun 16, 2017 | 1.00 inquarter | Pomeroy | Calhoun | — | 18:22 local · NCEI |
| Jun 16, 2017 | 0.88 innickel | Pomeroy | Calhoun | — | 18:17 local · NCEI |
| Jul 11, 2016 | 1.25 inhalf dollar | 2.54 W Blanden | Pocahontas | — | 20:23 local · NCEI |
| Mar 30, 2016 | 0.88 innickel | Pomeroy | Calhoun | — | 20:05 local · NCEI |
| Sep 6, 2015 | 1.00 inquarter | 0.33 W Pomeroy | Calhoun | — | 17:10 local · NCEI |
| Sep 6, 2015 | 1.00 inquarter | 0.51 W Pomeroy | Calhoun | — | 17:05 local · NCEI |
| Jun 14, 2014 | 0.75 inpenny | Pomeroy | Calhoun | — | 10:53 local · NCEI |
| Oct 4, 2013 | 1.75 ingolf ball | 2.07 S Pomeroy | Calhoun | $20K | 20:05 local · NCEI |
| Sep 6, 2012 | 0.88 innickel | 0.51 W Pomeroy | Calhoun | — | 22:16 local · NCEI |
| Jun 22, 2010 | 0.88 innickel | Pomeroy | Calhoun | — | 20:55 local · NCEI |
Hail history near Pomeroy
- Palmer 11 km · 11
- Manson 12 km · 21
- Fonda 14 km · 15
- Rockwell City 18 km · 30
- Pocahontas 21 km · 22
- Newell 27 km · 13
- Gilmore City 28 km · 14
- Sac City 30 km · 17
Questions about hail in Pomeroy
How often does it hail in Pomeroy, Iowa?
16 hail reports have been logged in and within about 5 km (3 miles) of Pomeroy since 1980. Over the 20 years 2006–2025 that averages 0.7 reports a year. That ranks #252 of 483 Iowa places by number of reports.
When is hail season in Pomeroy?
Most reports come in June, September, July. June alone accounts for 38% of all reports.
What is the largest hail recorded in Pomeroy?
1.75 in (golf ball size) on October 4, 2013 near 2.07 S Pomeroy. 0% of reports here were 2 inches or larger.
When did it last hail in Pomeroy?
The most recent report in this data is from June 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 Pomeroy 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 June 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.