Hail history for Denmark, Iowa
NOAA hail reports in and within about 5 km (3 miles) of Denmark since 2000, with preliminary reports to November 3, 2026.
Readout · Denmark
- Last hail
- May 4, 2026
- 1.00 in, quarter size
- Hail days, last 5 years
- 3
- since Nov 3, 2021 · 5 reports
- Largest ever
- 4.00 in
- grapefruit · Apr 8, 2020
19 reports on 14 days since 2000 · #176 of 483 Iowa places
Hail map · Denmark
- 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 Denmark
The latest hail report in and around Denmark is from May 4, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 3 separate hail days; the biggest stones in that time were 1.50 in on March 13, 2024.
Over the 20 years 2006–2025, Denmark logged 16 reports on 11 hail days, about 0.8 reports a year. That is 78% more than the median Iowa town on this site (0.5 a year) and ranks #176 of 483 Iowa cities and towns on this site for all-time reports. Denmark accounts for 12% of the 155 reports filed in Lee County.
5% 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 4.00 in (grapefruit) on April 8, 2020 near 1.73 NW Denmark.
Reports were down 55% in 2016–2025 (5) compared with 2006–2015 (11). The busiest year was 2010, with 5 reports on 3 days. Hail here peaks in May (32% of reports); 79% fall between April and June.
Reports a year 2006–2025 average
- Denmark 0.8
- Lee County 4.6
- Median Iowa town on this site 0.5
Hail days 2006–2025
- Denmark 11
- Lee County 55
- Median Iowa town on this site 7
Share 2 in or larger of sized reports
- Denmark 5%
- Lee 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 | 1 | 1 | |||||||||||
| 2023 | 3 | 3 | |||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 1 | 1 | |||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| May 4, 2026 | 1 | 1.00 in | — |
| Mar 13, 2024 | 1 | 1.50 in | — |
| May 7, 2023 | 3 | 1.25 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Apr 8, 2020 | 4.00 ingrapefruit | 1.73 NW Denmark | Lee | 14:22 local · NCEI |
| Mar 13, 2024 | 1.50 inping pong ball | 0.69 N Denmark | Lee | 22:50 local · NCEI |
| May 7, 2023 | 1.25 inhalf dollar | 0.69 N Denmark | Lee | 16:04 local · NCEI |
| Jun 21, 2010 | 1.25 inhalf dollar | 0.69 S Sawyer | Lee | 16:45 local · NCEI |
| May 4, 2026 | 1.00 inquarter | 2.09 SE Sawyer | Lee | 18:55 local · NCEI |
Size of every report
- Under 1 in 8 42%
- 1–2 in 10 53%
- 2 in + 1 5%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| May 4, 2026 | 1.00 inquarter | 2.09 SE Sawyer | Lee | 18:55 local · NCEI |
| Mar 13, 2024 | 1.50 inping pong ball | 0.69 N Denmark | Lee | 22:50 local · NCEI |
| May 7, 2023 | 1.25 inhalf dollar | 0.69 N Denmark | Lee | 16:04 local · NCEI |
| May 7, 2023 | 1.00 inquarter | 0.87 NW Denmark | Lee | 15:47 local · NCEI |
| May 7, 2023 | 1.00 inquarter | 0.69 N Denmark | Lee | 15:44 local · NCEI |
| Apr 8, 2020 | 4.00 ingrapefruit | 1.73 NW Denmark | Lee | 14:22 local · NCEI |
| May 27, 2014 | 0.75 inpenny | 1.38 N Denmark | Lee | 16:22 local · NCEI |
| May 12, 2014 | 0.75 inpenny | 1.38 N Denmark | Lee | 18:14 local · NCEI |
| Jul 19, 2010 | 0.88 innickel | 1.25 ESE Sawyer | Lee | 18:26 local · NCEI |
| Jun 21, 2010 | 1.25 inhalf dollar | 0.69 S Sawyer | Lee | 16:45 local · NCEI |
| Jun 21, 2010 | 1.00 inquarter | 2.32 NNW Denmark | Lee | 16:17 local · NCEI |
| Jun 21, 2010 | 1.00 inquarter | 1.38 N Denmark | Lee | 16:11 local · NCEI |
Hail history near Denmark
- Wever 10 km · 11
- Fort Madison 13 km · 19
- Burlington 20 km · 65
- Donnellson 21 km · 11
- New London 22 km · 20
- Mount Pleasant 31 km · 29
- Farmington 35 km · 11
- Keokuk 37 km · 29
Questions about hail in Denmark
How often does it hail in Denmark, Iowa?
19 hail reports have been logged in and within about 5 km (3 miles) of Denmark since 2000. Over the 20 years 2006–2025 that averages 0.8 reports a year. That ranks #176 of 483 Iowa places by number of reports.
When is hail season in Denmark?
Most reports come in May, June, April. May alone accounts for 32% of all reports.
What is the largest hail recorded in Denmark?
4.00 in (grapefruit size) on April 8, 2020 near 1.73 NW Denmark. 5% of reports here were 2 inches or larger.
When did it last hail in Denmark?
The most recent report in this data is from May 4, 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 Denmark had in the last five years?
3 separate days with hail reports since November 3, 2021, adding up to 5 reports. The most recent was May 4, 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.