Hail history for Dunlap, Iowa
NOAA hail reports in and within about 5 km (3 miles) of Dunlap since 1974, with preliminary reports to November 3, 2026.
Readout · Dunlap
- Last hail
- Apr 23, 2026
- 1.00 in, quarter size
- Hail days, last 5 years
- 2
- since Nov 3, 2021 · 4 reports
- Largest ever
- 2.50 in
- tennis ball · Aug 6, 2011
11 reports on 9 days since 1974 · #400 of 483 Iowa places
Hail map · Dunlap
- 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 Dunlap
The latest hail report in and around Dunlap is from April 23, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.75 in on April 15, 2026.
Over the 20 years 2006–2025, Dunlap logged 6 reports on 6 hail days, about 0.3 reports a year. That is 33% less than the median Iowa town on this site (0.5 a year) and ranks #400 of 483 Iowa cities and towns on this site for all-time reports. Dunlap accounts for 5% of the 218 reports filed in Harrison County.
18% 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 2.50 in (tennis ball) on August 6, 2011 near Dunlap.
The busiest year was 2026, with 4 reports on 2 days. Hail here peaks in April (45% of reports); 73% fall between April and June.
Reports a year 2006–2025 average
- Dunlap 0.3
- Harrison County 4.3
- Median Iowa town on this site 0.5
Hail days 2006–2025
- Dunlap 6
- Harrison County 53
- Median Iowa town on this site 7
Share 2 in or larger of sized reports
- Dunlap 18%
- Harrison County 6%
- 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 | 4 | 4 | |||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 1 | 1 | |||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Apr 23, 2026 | 1 | 1.00 in | — |
| Apr 15, 2026 | 3 | 1.75 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Aug 6, 2011 | 2.50 intennis ball | Dunlap | Harrison | 19:10 local · NCEI |
| May 30, 1974 | 2.00 inhen egg | — | Harrison | 16:10 local · NCEI |
| Apr 15, 2026 | 1.75 ingolf ball | Dunlap | Harrison | 10:35 local · NCEI |
| Apr 15, 2026 | 1.75 ingolf ball | Dunlap | Harrison | 10:33 local · NCEI |
| Apr 15, 2026 | 1.75 ingolf ball | Dunlap | Harrison | 10:33 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 3 27%
- 1–2 in 6 55%
- 2 in + 2 18%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Apr 23, 2026 | 1.00 inquarter | Dunlap | Harrison | 14:36 local · NCEI |
| Apr 15, 2026 | 1.75 ingolf ball | Dunlap | Harrison | 10:35 local · NCEI |
| Apr 15, 2026 | 1.75 ingolf ball | Dunlap | Harrison | 10:33 local · NCEI |
| Apr 15, 2026 | 1.75 ingolf ball | Dunlap | Harrison | 10:33 local · NCEI |
| May 29, 2018 | 0.88 innickel | 4.96 SW Dow City | Crawford | 14:50 local · NCEI |
| May 19, 2013 | 1.00 inquarter | Dunlap | Harrison | 15:30 local · NCEI |
| Aug 6, 2011 | 2.50 intennis ball | Dunlap | Harrison | 19:10 local · NCEI |
| Sep 18, 2010 | 0.88 innickel | 6.61 SW Dow City | Crawford | 09:55 local · NCEI |
| Apr 6, 2010 | 1.00 inquarter | Dunlap | Harrison | 00:00 local · NCEI |
| Sep 3, 2006 | 0.88 innickel | Dunlap | Harrison | 14:35 local · NCEI |
| May 30, 1974 | 2.00 inhen egg | — | Harrison | 16:10 local · NCEI |
Hail history near Dunlap
Questions about hail in Dunlap
How often does it hail in Dunlap, Iowa?
11 hail reports have been logged in and within about 5 km (3 miles) of Dunlap since 1974. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #400 of 483 Iowa places by number of reports.
When is hail season in Dunlap?
Most reports come in April, May, September. April alone accounts for 45% of all reports.
What is the largest hail recorded in Dunlap?
2.50 in (tennis ball size) on August 6, 2011 near Dunlap. 18% of reports here were 2 inches or larger.
When did it last hail in Dunlap?
The most recent report in this data is from April 23, 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 Dunlap had in the last five years?
2 separate days with hail reports since November 3, 2021, adding up to 4 reports. The most recent was April 23, 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.