Hail history for Primghar, Iowa
NOAA hail reports in and within about 5 km (3 miles) of Primghar since 1981, with preliminary reports to November 3, 2026.
Readout · Primghar
- Last hail
- Apr 13, 2026
- 1.00 in, quarter size
- Hail days, last 5 years
- 2
- since Nov 3, 2021 · 3 reports
- Largest ever
- 2.75 in
- baseball · Jun 5, 1999
21 reports on 13 days since 1981 · #151 of 483 Iowa places
Hail map · Primghar
- 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 Primghar
The latest hail report in and around Primghar is from April 13, 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 13, 2026.
Over the 20 years 2006–2025, Primghar logged 8 reports on 5 hail days, about 0.4 reports a year. That is 11% less than the median Iowa town on this site (0.5 a year) and ranks #151 of 483 Iowa cities and towns on this site for all-time reports. Primghar accounts for 10% of the 209 reports filed in O'Brien County.
10% 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 5, 1999 near Primghar.
Reports were up 67% in 2016–2025 (5) compared with 2006–2015 (3). The busiest year was 2004, with 6 reports on 2 days. Hail here peaks in May (24% of reports); 52% fall between April and June.
Reports a year 2006–2025 average
- Primghar 0.4
- O'Brien County 4.3
- Median Iowa town on this site 0.5
Hail days 2006–2025
- Primghar 5
- O'Brien County 47
- Median Iowa town on this site 7
Share 2 in or larger of sized reports
- Primghar 10%
- O'Brien County 5%
- 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 | 2 | 2 | |||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 3 | 3 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Apr 13, 2026 | 1 | 1.00 in | — |
| Sep 22, 2025 | 2 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jun 5, 1999 | 2.75 inbaseball | Primghar | O'brien | 17:04 local · NCEI |
| Aug 7, 1984 | 2.75 inbaseball | — | O'brien | 14:22 local · NCEI |
| Aug 18, 2017 | 1.75 ingolf ball | 3.6 E Primghar Arpt | O'brien | 19:44 local · NCEI |
| Aug 18, 2017 | 1.75 ingolf ball | 3.6 E Primghar Arpt | O'brien | 19:30 local · NCEI |
| Jul 13, 2004 | 1.75 ingolf ball | 5 S Sanborn | O'brien | 01:40 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 24%
- 1–2 in 14 67%
- 2 in + 2 10%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Apr 13, 2026 | 1.00 inquarter | 0.69 N Primghar | O'brien | 17:28 local · NCEI |
| Sep 22, 2025 | 1.00 inquarter | 2.88 WSW Primghar | O'brien | 18:40 local · NCEI |
| Sep 22, 2025 | 1.00 inquarter | 0.69 N Primghar | O'brien | 18:20 local · NCEI |
| Aug 18, 2017 | 1.75 ingolf ball | 3.6 E Primghar Arpt | O'brien | 19:44 local · NCEI |
| Aug 18, 2017 | 1.50 inping pong ball | 3.11 ENE Primghar Arpt | O'brien | 19:44 local · NCEI |
| Aug 18, 2017 | 1.75 ingolf ball | 3.6 E Primghar Arpt | O'brien | 19:30 local · NCEI |
| Jun 16, 2014 | 1.00 inquarter | Primghar | O'brien | 12:57 local · NCEI |
| Jun 14, 2013 | 0.88 innickel | 2.62 ENE Primghar Arpt | O'brien | 20:06 local · NCEI |
| Jun 11, 2008 | 0.88 innickel | 0.69 N Primghar | O'brien | 17:11 local · NCEI |
| Jul 13, 2004 | 1.75 ingolf ball | 5 S Sanborn | O'brien | 01:40 local · NCEI |
| Jul 13, 2004 | 0.88 innickel | Primghar | O'brien | 00:57 local · NCEI |
| Jul 13, 2004 | 0.88 innickel | 2 N Primghar | O'brien | 00:16 local · NCEI |
Hail history near Primghar
Questions about hail in Primghar
How often does it hail in Primghar, Iowa?
21 hail reports have been logged in and within about 5 km (3 miles) of Primghar since 1981. Over the 20 years 2006–2025 that averages 0.4 reports a year. That ranks #151 of 483 Iowa places by number of reports.
When is hail season in Primghar?
Most reports come in May, June, August. May alone accounts for 24% of all reports.
What is the largest hail recorded in Primghar?
2.75 in (baseball size) on June 5, 1999 near Primghar. 10% of reports here were 2 inches or larger.
When did it last hail in Primghar?
The most recent report in this data is from April 13, 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 Primghar 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 13, 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.