Hail history for Dewey, Oklahoma
NOAA hail reports in and within about 5 km (3 miles) of Dewey since 1991, with preliminary reports to November 3, 2026.
Readout · Dewey
- Last hail
- Apr 28, 2026
- 1.25 in, half dollar size
- Hail days, last 5 years
- 1
- since Nov 3, 2021 · 1 report
- Largest ever
- 1.75 in
- golf ball · Aug 5, 2003
19 reports on 17 days since 1991 · #360 of 584 Oklahoma places
Hail map · Dewey
- 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 Dewey
The latest hail report in and around Dewey is from April 28, 2026, 1.25 in (half dollar size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 1.25 in on April 28, 2026.
Over the 20 years 2006–2025, Dewey logged 10 reports on 8 hail days, about 0.5 reports a year. That is 11% more than the median Oklahoma town on this site (0.5 a year) and ranks #360 of 584 Oklahoma cities and towns on this site for all-time reports. Dewey accounts for 7% of the 286 reports filed in Washington County.
0% of reports with a size were 2 inches (hen egg) or larger, against 8% for the median Oklahoma town on this site. The largest hail on record here is 1.75 in (golf ball) on August 5, 2003 near Dewey.
Reports were down 57% in 2016–2025 (3) compared with 2006–2015 (7). The busiest year was 2010, with 3 reports on 2 days. Hail here peaks in April (42% of reports); 68% fall between April and June.
Reports a year 2006–2025 average
- Dewey 0.5
- Washington County 5.8
- Median Oklahoma town on this site 0.5
Hail days 2006–2025
- Dewey 8
- Washington County 70
- Median Oklahoma town on this site 8
Share 2 in or larger of sized reports
- Dewey 0%
- Washington County 4%
- Median Oklahoma town on this site 8%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | 1 | |||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 1 | 1 | |||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Apr 28, 2026 | 1 | 1.25 in | — |
Largest hail on record
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Aug 5, 2003 | 1.75 ingolf ball | Dewey | Washington | — | 21:09 local · NCEI |
| Feb 10, 2009 | 1.50 inping pong ball | 2 N Dewey | Washington | — | 18:30 local · NCEI |
| Apr 28, 2026 | 1.25 inhalf dollar | 1 ESE Dewey | Washington | $25K | 11:30 local · NCEI |
| May 8, 2000 | 1.25 inhalf dollar | Dewey | Washington | — | 23:04 local · NCEI |
| Apr 28, 2020 | 1.00 inquarter | 1 N Dewey | Washington | — | 16:30 local · NCEI |
Size of every report
- Under 1 in 8 42%
- 1–2 in 11 58%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Apr 28, 2026 | 1.25 inhalf dollar | 1 ESE Dewey | Washington | $25K | 11:30 local · NCEI |
| Apr 28, 2020 | 1.00 inquarter | 1 N Dewey | Washington | — | 16:30 local · NCEI |
| Apr 10, 2016 | 0.88 innickel | 0.41 SW Dewey | Washington | — | 19:47 local · NCEI |
| Apr 10, 2016 | 1.00 inquarter | 0.98 SSW Dewey | Washington | — | 19:44 local · NCEI |
| Nov 5, 2015 | 0.88 innickel | 0.42 SW Dewey | Washington | — | 12:05 local · NCEI |
| Aug 27, 2015 | 1.00 inquarter | 0.47 SW Dewey | Washington | — | 09:20 local · NCEI |
| Apr 24, 2011 | 0.88 innickel | 0.39 WSW Dewey | Washington | — | 19:00 local · NCEI |
| May 10, 2010 | 0.75 inpenny | Dewey | Washington | — | 17:48 local · NCEI |
| Apr 4, 2010 | 1.00 inquarter | Dewey | Washington | — | 23:18 local · NCEI |
| Apr 4, 2010 | 0.88 innickel | Dewey | Washington | — | 23:17 local · NCEI |
| Feb 10, 2009 | 1.50 inping pong ball | 2 N Dewey | Washington | — | 18:30 local · NCEI |
| Aug 5, 2003 | 1.75 ingolf ball | Dewey | Washington | — | 21:09 local · NCEI |
Hail history near Dewey
Questions about hail in Dewey
How often does it hail in Dewey, Oklahoma?
19 hail reports have been logged in and within about 5 km (3 miles) of Dewey since 1991. Over the 20 years 2006–2025 that averages 0.5 reports a year. That ranks #360 of 584 Oklahoma places by number of reports.
When is hail season in Dewey?
Most reports come in April, May, August. April alone accounts for 42% of all reports.
What is the largest hail recorded in Dewey?
1.75 in (golf ball size) on August 5, 2003 near Dewey. 0% of reports here were 2 inches or larger.
When did it last hail in Dewey?
The most recent report in this data is from April 28, 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 Dewey had in the last five years?
1 separate days with hail reports since November 3, 2021, adding up to 1 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.