Hail history for Delaware County, Oklahoma
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 28, 2026
- 1.75 in, golf ball size
- Hail days, last 5 years
- 10
- since Nov 3, 2021 · 17 reports
- Largest ever
- 3.00 in
- teacup · Mar 27, 2020
261 reports on 157 days since 1961 · #63 of 78 Oklahoma 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
Roof damage after hail? Get a free inspection
Hail bruises shingles and cracks seals in ways you can't see from the ground, and most insurers set a claim deadline after the storm. The latest hail report in Delaware County is from April 28, 2026. A local roofer can check and document it at no cost.
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What the record says about Delaware County
The latest hail report in Delaware County is from April 28, 2026, 1.75 in (golf ball size). Since November 3, 2021 there have been 10 separate hail days; the biggest stones in that time were 2.00 in on March 14, 2024.
Over the 20 years 2006–2025, Delaware County logged 91 reports on 56 hail days, about 4.5 reports a year. That is 26% less than the median Oklahoma county (6.1 a year) and ranks #63 of 78 Oklahoma counties for all-time reports. Delaware County holds 1% of all 31,598 hail reports in Oklahoma.
5% of reports with a size were 2 inches (hen egg) or larger, against 8% for the median Oklahoma county. The largest hail on record here is 3.00 in (teacup) on March 27, 2020 near 2 N Zena.
Reports were down 28% in 2016–2025 (38) compared with 2006–2015 (53). The busiest year was 1995, with 24 reports on 10 days. Hail here peaks in May (29% of reports); 54% fall between April and June.
Reports a year 2006–2025 average
- Delaware County 4.5
- Median Oklahoma county 6.1
Hail days 2006–2025
- Delaware County 56
- Median Oklahoma county 67
Share 2 in or larger of sized reports
- Delaware County 5%
- Median Oklahoma county 8%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 2 | 2 | |||||||||||
| 2025 | 2 | 2 | |||||||||||
| 2024 | 1 | 3 | 6 | 10 | |||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 1 | 1 | 1 | 3 | |||||||||
| 2021 | 1 | 1 | |||||||||||
| 2020 | 5 | 2 | 1 | 8 | |||||||||
| 2019 | 1 | 1 | 1 | 3 | |||||||||
| 2018 | 1 | 1 | |||||||||||
| 2017 | 4 | 2 | 3 | 9 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Apr 28, 2026 | 1 | 1.75 in | — |
| Apr 25, 2026 | 1 | 1.00 in | — |
| May 18, 2025 | 2 | 1.00 in | — |
| May 26, 2024 | 1 | 1.75 in | — |
| May 8, 2024 | 5 | 1.25 in | — |
| Mar 14, 2024 | 3 | 2.00 in | — |
| Jan 11, 2024 | 1 | 0.75 in | — |
| Oct 12, 2022 | 1 | 0.75 in | — |
| May 15, 2022 | 1 | 1.50 in | — |
| Mar 6, 2022 | 1 | 0.75 in | — |
Largest hail on record
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Mar 27, 2020 | 3.00 inteacup | 2 N Zena | $50K | 15:11 local · NCEI |
| May 8, 1961 | 3.00 inteacup | — | — | 10:30 local · NCEI |
| Jul 30, 1992 | 2.75 inbaseball | — | — | 15:11 local · NCEI |
| May 23, 1972 | 2.75 inbaseball | — | — | 17:30 local · NCEI |
| May 4, 2020 | 2.50 intennis ball | 3 WSW Jay | $30K | 08:25 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 137 52%
- 1–2 in 112 43%
- 2 in + 12 5%
Most recent reports
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Apr 28, 2026 | 1.75 ingolf ball | 1 N Kansas | $50K | 08:43 local · NCEI |
| Apr 25, 2026 | 1.00 inquarter | 4 N Grove | — | 18:26 local · NCEI |
| May 18, 2025 | 0.75 inpenny | 1.41 ENE West Siloam Spgs | — | 14:56 local · NCEI |
| May 18, 2025 | 1.00 inquarter | 1.12 NW Kansas | — | 14:35 local · NCEI |
| May 26, 2024 | 1.75 ingolf ball | 1.81 SE Copeland | $40K | 15:10 local · NCEI |
| May 8, 2024 | 1.00 inquarter | 1 S Leach | — | 17:08 local · NCEI |
| May 8, 2024 | 0.88 innickel | Jay | — | 16:21 local · NCEI |
| May 8, 2024 | 0.88 innickel | 3.76 E Zena | — | 16:21 local · NCEI |
| May 8, 2024 | 0.75 inpenny | 0.82 N Grove | — | 15:43 local · NCEI |
| May 8, 2024 | 1.25 inhalf dollar | 4 N Grove | $25K | 15:41 local · NCEI |
| Mar 14, 2024 | 1.50 inping pong ball | 3 SSW Jay | $15K | 12:55 local · NCEI |
| Mar 14, 2024 | 1.75 ingolf ball | Jay | $30K | 12:54 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 |
|---|---|---|---|
| Cayuga | 9 | 8 | Apr 25, 2026 |
| Cleora | 9 | 8 | Mar 27, 2020 |
| Cloud Creek | 8 | 7 | Apr 22, 2011 |
| Flint Creek | 7 | 6 | Oct 29, 2019 |
| Sycamore | 7 | 5 | Jun 1, 2008 |
| Twin Oaks | 7 | 7 | May 18, 2025 |
| Leach | 6 | 6 | May 8, 2024 |
| Oaks | 5 | 5 | Mar 25, 2015 |
| Drowning Creek | 4 | 4 | May 9, 2006 |
| Dodge | 3 | 3 | Mar 9, 2017 |
| Butler | 2 | 2 | Mar 27, 2008 |
| Indianola | 2 | 2 | May 4, 1991 |
| Bull Hollow | 1 | 1 | Mar 14, 2024 |
| Deer Lick | 1 | 1 | Jul 20, 2009 |
| Dennis | 1 | 1 | Oct 31, 1992 |
| Dripping Springs | 1 | 1 | Sep 7, 1999 |
| Oak Hill-Piney | 1 | 1 | Mar 14, 2008 |
| Tagg Flats | 1 | 1 | Apr 9, 1990 |
| White Water | 1 | 1 | Mar 27, 2008 |
Questions about hail in Delaware County
How often does it hail in Delaware County, Oklahoma?
261 hail reports have been logged in Delaware County since 1961. Over the 20 years 2006–2025 that averages 4.5 reports a year. That ranks #63 of 78 Oklahoma counties by number of reports.
When is hail season in Delaware County?
Most reports come in May, March, April. May alone accounts for 29% of all reports.
What is the largest hail recorded in Delaware County?
3.00 in (teacup size) on March 27, 2020 near 2 N Zena. 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 28, 2026 (1.75 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?
10 separate days with hail reports since November 3, 2021, adding up to 17 reports. The most recent was April 28, 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.