Hail history for Delaware County, Iowa
Every NOAA hail report filed in Delaware County since 1961, with preliminary National Weather Service reports to November 3, 2026.
Readout · Delaware County
- Last hail
- Apr 17, 2026
- 1.25 in, half dollar size
- Hail days, last 5 years
- 6
- since Nov 3, 2021 · 8 reports
- Largest ever
- 4.50 in
- softball · Jun 18, 1998
152 reports on 83 days since 1961 · #39 of 100 Iowa counties
Hail map · Delaware County
- 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 Delaware County
The latest hail report in Delaware County is from April 17, 2026, 1.25 in (half dollar size). Since November 3, 2021 there have been 6 separate hail days; the biggest stones in that time were 1.25 in on April 17, 2026.
Over the 20 years 2006–2025, Delaware County logged 88 reports on 38 hail days, about 4.4 reports a year. That is 19% more than the median Iowa county (3.7 a year) and ranks #39 of 100 Iowa counties for all-time reports. Delaware County holds 1% of all 16,032 hail reports in Iowa.
5% of reports with a size were 2 inches (hen egg) or larger, against 7% for the median Iowa county. The largest hail on record here is 4.50 in (softball) on June 18, 1998 near Hopkinton.
Reports were down 89% in 2016–2025 (9) compared with 2006–2015 (79). The busiest year was 2008, with 25 reports on 7 days. Hail here peaks in April (24% of reports); 61% fall between April and June.
Reports a year 2006–2025 average
- Delaware County 4.4
- Median Iowa county 3.7
Hail days 2006–2025
- Delaware County 38
- Median Iowa county 39.5
Share 2 in or larger of sized reports
- Delaware County 5%
- Median Iowa county 7%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 3 | 3 | |||||||||||
| 2025 | 2 | 2 | |||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 2 | 2 | |||||||||||
| 2022 | 1 | 1 | |||||||||||
| 2021 | 1 | 1 | |||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 1 | 1 | 2 | ||||||||||
| 2017 | 1 | 1 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Apr 17, 2026 | 1 | 1.25 in | — |
| Apr 14, 2026 | 2 | 1.00 in | — |
| Jul 3, 2025 | 2 | 1.00 in | — |
| Apr 19, 2023 | 1 | 1.00 in | — |
| Apr 4, 2023 | 1 | 1.00 in | — |
| Jun 15, 2022 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Jun 18, 1998 | 4.50 insoftball | Hopkinton | $8K | 15:30 local · NCEI |
| May 18, 1997 | 4.50 insoftball | Hopkinton | — | 17:05 local · NCEI |
| Jul 15, 1961 | 3.00 inteacup | — | — | 14:45 local · NCEI |
| Jul 24, 2009 | 2.50 intennis ball | 2.15 WSW Greeley | $250 | 13:29 local · NCEI |
| Jul 24, 2009 | 2.50 intennis ball | 1.02 WSW Edgewood | — | 13:20 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 57 38%
- 1–2 in 88 58%
- 2 in + 7 5%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Apr 17, 2026 | 1.25 inhalf dollar | 3.78 NNE Hopkinton | 15:50 local · NCEI |
| Apr 14, 2026 | 1.00 inquarter | 1.47 SSE Turtle Creek Park | 17:02 local · NCEI |
| Apr 14, 2026 | 1.00 inquarter | 1.23 SE Ryan | 16:51 local · NCEI |
| Jul 3, 2025 | 1.00 inquarter | 0.51 W Manchester | 19:30 local · NCEI |
| Jul 3, 2025 | 1.00 inquarter | 2.46 NE Manchester Arpt | 19:25 local · NCEI |
| Apr 19, 2023 | 1.00 inquarter | 0.86 NW Hopkinton | 08:55 local · NCEI |
| Apr 4, 2023 | 1.00 inquarter | 0.51 W Masonville | 20:42 local · NCEI |
| Jun 15, 2022 | 1.00 inquarter | 3.05 W Dundee | 16:13 local · NCEI |
| Aug 24, 2021 | 1.75 ingolf ball | 2.91 NE Manchester Arpt | 14:26 local · NCEI |
| Sep 1, 2018 | 0.75 inpenny | 3.45 N Robinson | 00:23 local · NCEI |
| May 25, 2018 | 0.75 inpenny | 3.76 NW Ryan | 21:49 local · NCEI |
| Jul 5, 2017 | 1.00 inquarter | Dundee | 19:04 local · NCEI |
Cities and towns in Delaware County
Smaller places with fewer than 10 reports
These places have too few reports for a page of their own, so their record lives here.
| Place | Reports | Hail days | Latest |
|---|---|---|---|
| Worthington | 9 | 8 | Apr 29, 2013 |
| Dundee | 8 | 8 | Jul 5, 2017 |
| Earlville | 7 | 5 | Jul 24, 2009 |
| Delaware | 5 | 4 | Jul 24, 2009 |
| Masonville | 3 | 3 | Apr 4, 2023 |
Questions about hail in Delaware County
How often does it hail in Delaware County, Iowa?
152 hail reports have been logged in Delaware County since 1961. Over the 20 years 2006–2025 that averages 4.4 reports a year. That ranks #39 of 100 Iowa counties by number of reports.
When is hail season in Delaware County?
Most reports come in April, July, May. April alone accounts for 24% of all reports.
What is the largest hail recorded in Delaware County?
4.50 in (softball size) on June 18, 1998 near Hopkinton. 5% of reports here were 2 inches or larger.
When did it last hail in Delaware County?
The most recent report in this data is from April 17, 2026 (1.25 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Delaware County had in the last five years?
6 separate days with hail reports since November 3, 2021, adding up to 8 reports. The most recent was April 17, 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.