Hail history for Washington County, Oklahoma
Every NOAA hail report filed in Washington County since 1957, with preliminary National Weather Service reports to November 3, 2026.
Readout · Washington County
- Last hail
- Jul 4, 2026
- 1.00 in, quarter size
- Hail days, last 5 years
- 13
- since Nov 3, 2021 · 25 reports
- Largest ever
- 4.50 in
- softball · May 8, 2000
286 reports on 180 days since 1957 · #55 of 78 Oklahoma counties
Hail map · Washington 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 Washington County
The latest hail report in Washington County is from July 4, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 13 separate hail days; the biggest stones in that time were 2.00 in on April 15, 2026.
Over the 20 years 2006–2025, Washington County logged 116 reports on 70 hail days, about 5.8 reports a year. That is about the same as the median Oklahoma county (6.1 a year) and ranks #55 of 78 Oklahoma counties for all-time reports. Washington County holds 1% of all 31,598 hail reports in Oklahoma.
4% 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 4.50 in (softball) on May 8, 2000 near Bartlesville.
Reports were down 39% in 2016–2025 (44) compared with 2006–2015 (72). The busiest year was 2008, with 16 reports on 7 days. Hail here peaks in April (31% of reports); 68% fall between April and June.
Reports a year 2006–2025 average
- Washington County 5.8
- Median Oklahoma county 6.1
Hail days 2006–2025
- Washington County 70
- Median Oklahoma county 67
Share 2 in or larger of sized reports
- Washington County 4%
- Median Oklahoma county 8%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 9 | 1 | 1 | 11 | |||||||||
| 2025 | 1 | 2 | 1 | 4 | |||||||||
| 2024 | 2 | 1 | 3 | 6 | |||||||||
| 2023 | 1 | 3 | 4 | ||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 1 | 1 | 2 | ||||||||||
| 2020 | 5 | 2 | 2 | 9 | |||||||||
| 2019 | 1 | 2 | 3 | ||||||||||
| 2018 | 1 | 2 | 3 | ||||||||||
| 2017 | 1 | 2 | 1 | 1 | 1 | 6 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jul 4, 2026 | 1 | 1.00 in | — |
| May 8, 2026 | 1 | 1.00 in | — |
| Apr 28, 2026 | 4 | 1.25 in | — |
| Apr 15, 2026 | 5 | 2.00 in | — |
| Jun 17, 2025 | 1 | 1.75 in | — |
| May 19, 2025 | 1 | 1.00 in | — |
| May 17, 2025 | 1 | 0.75 in | — |
| Apr 29, 2025 | 1 | 1.25 in | — |
| May 15, 2024 | 3 | 1.75 in | — |
| Mar 13, 2024 | 1 | 1.00 in | — |
| Feb 22, 2024 | 2 | 0.75 in | — |
| Jul 17, 2023 | 3 | 1.50 in | — |
| May 11, 2023 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| May 8, 2000 | 4.50 insoftball | Bartlesville | $2.0 million | 22:28 local · NCEI |
| May 14, 1986 | 4.50 insoftball | — | — | 11:48 local · NCEI |
| May 14, 1986 | 4.50 insoftball | — | — | 11:48 local · NCEI |
| Jun 12, 1957 | 3.00 inteacup | — | — | 00:40 local · NCEI |
| Jun 1, 2008 | 2.75 inbaseball | 1 N Ochelata | $25K | 07:10 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 144 50%
- 1–2 in 132 46%
- 2 in + 10 3%
Most recent reports
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Jul 4, 2026 | 1.00 inquarter | 2 NNW Bartlesville | — | 18:45 local · NCEI |
| May 8, 2026 | 1.00 inquarter | 4.77 SW Ramona | — | 16:05 local · NCEI |
| Apr 28, 2026 | 1.25 inhalf dollar | 1 ESE Dewey | $25K | 11:30 local · NCEI |
| Apr 28, 2026 | 1.00 inquarter | 3 SE Bartlesville | — | 11:27 local · NCEI |
| Apr 28, 2026 | 1.25 inhalf dollar | 2.14 SE Bartlesville | $30K | 11:26 local · NCEI |
| Apr 28, 2026 | 1.00 inquarter | 2 SE Bartlesville | — | 11:11 local · NCEI |
| Apr 15, 2026 | 2.00 inhen egg | 4.89 ESE Bartlesville | $100K | 15:34 local · NCEI |
| Apr 15, 2026 | 1.50 inping pong ball | 2.9 SE Hi Way Arpt | $30K | 15:34 local · NCEI |
| Apr 15, 2026 | 1.00 inquarter | Bartlesville | — | 15:32 local · NCEI |
| Apr 15, 2026 | 1.75 ingolf ball | 1.92 ESE Bartlesville | $150K | 15:32 local · NCEI |
| Apr 15, 2026 | 1.00 inquarter | Ochelata | — | 13:25 local · NCEI |
| Jun 17, 2025 | 1.75 ingolf ball | 1.01 W Copan | $20K | 20:27 local · NCEI |
Cities and towns in Washington County
Questions about hail in Washington County
How often does it hail in Washington County, Oklahoma?
286 hail reports have been logged in Washington County since 1957. Over the 20 years 2006–2025 that averages 5.8 reports a year. That ranks #55 of 78 Oklahoma counties by number of reports.
When is hail season in Washington County?
Most reports come in April, May, March. April alone accounts for 31% of all reports.
What is the largest hail recorded in Washington County?
4.50 in (softball size) on May 8, 2000 near Bartlesville. 3% of reports here were 2 inches or larger.
When did it last hail in Washington County?
The most recent report in this data is from July 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 Washington County had in the last five years?
13 separate days with hail reports since November 3, 2021, adding up to 25 reports. The most recent was July 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.