Hail history for Dewey County, Oklahoma
Every NOAA hail report filed in Dewey County since 1956, with preliminary National Weather Service reports to November 3, 2026.
Readout · Dewey County
- Last hail
- Jul 4, 2026
- 1.00 in, quarter size
- Hail days, last 5 years
- 9
- since Nov 3, 2021 · 14 reports
- Largest ever
- 4.75 in
- softball · May 15, 1990
336 reports on 202 days since 1956 · #43 of 78 Oklahoma counties
Hail map · Dewey 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 Dewey County is from July 4, 2026. A local roofer can check and document it at no cost.
Phone line opening soon
What the record says about Dewey County
The latest hail report in Dewey County is from July 4, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 9 separate hail days; the biggest stones in that time were 2.00 in on March 6, 2026.
Over the 20 years 2006–2025, Dewey County logged 98 reports on 56 hail days, about 4.9 reports a year. That is 20% less than the median Oklahoma county (6.1 a year) and ranks #43 of 78 Oklahoma counties for all-time reports. Dewey County holds 1% of all 31,598 hail reports in Oklahoma.
8% 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 4.75 in (softball) on May 15, 1990.
Reports were down 58% in 2016–2025 (29) compared with 2006–2015 (69). The busiest year was 1986, with 25 reports on 8 days. Hail here peaks in May (29% of reports); 70% fall between April and June.
Reports a year 2006–2025 average
- Dewey County 4.9
- Median Oklahoma county 6.1
Hail days 2006–2025
- Dewey County 56
- Median Oklahoma county 67
Share 2 in or larger of sized reports
- Dewey County 8%
- Median Oklahoma county 8%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | 2 | 1 | 4 | |||||||||
| 2025 | 1 | 1 | 2 | ||||||||||
| 2024 | 3 | 5 | 8 | ||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 1 | 1 | 2 | ||||||||||
| 2020 | 1 | 1 | 2 | ||||||||||
| 2019 | 5 | 5 | |||||||||||
| 2018 | 1 | 1 | 2 | ||||||||||
| 2017 | 2 | 1 | 3 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jul 4, 2026 | 1 | 1.00 in | — |
| Apr 17, 2026 | 2 | 1.25 in | — |
| Mar 6, 2026 | 1 | 2.00 in | — |
| Jun 8, 2025 | 1 | 1.00 in | — |
| May 26, 2025 | 1 | 0.75 in | — |
| May 13, 2024 | 1 | 0.75 in | — |
| May 6, 2024 | 4 | 1.75 in | — |
| Apr 30, 2024 | 2 | 1.25 in | — |
| Apr 27, 2024 | 1 | 1.75 in | — |
Largest hail on record
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| May 15, 1990 | 4.75 insoftball | — | — | 15:40 local · NCEI |
| May 24, 2011 | 3.00 inteacup | 5 ESE Fay | — | 14:33 local · NCEI |
| Jun 9, 2005 | 3.00 inteacup | Vici | $200K | 16:12 local · NCEI |
| May 8, 2016 | 2.75 inbaseball | 4.46 E Seiling | — | 16:55 local · NCEI |
| Apr 1, 2015 | 2.75 inbaseball | 4.15 N Camargo | — | 19:23 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 145 43%
- 1–2 in 164 49%
- 2 in + 27 8%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Jul 4, 2026 | 1.00 inquarter | 0.12 SSW Seiling | 17:43 local · NCEI |
| Apr 17, 2026 | 1.25 inhalf dollar | 6.24 N Putnam | 19:03 local · NCEI |
| Apr 17, 2026 | 0.75 inpenny | 0.16 SSW Seiling | 18:34 local · NCEI |
| Mar 6, 2026 | 2.00 inhen egg | 0.29 NNE Leedey | 00:00 local · NCEI |
| Jun 8, 2025 | 1.00 inquarter | 5.04 NE Hucmac | 16:32 local · NCEI |
| May 26, 2025 | 0.75 inpenny | 0.1 N Putnam | 20:40 local · NCEI |
| May 13, 2024 | 0.75 inpenny | 8.26 SE Camargo | 00:18 local · NCEI |
| May 6, 2024 | 1.25 inhalf dollar | 1 NNW Oakwood | 18:15 local · NCEI |
| May 6, 2024 | 1.25 inhalf dollar | 1.44 W Oakwood | 17:37 local · NCEI |
| May 6, 2024 | 1.75 ingolf ball | Oakwood | 16:55 local · NCEI |
| May 6, 2024 | 1.75 ingolf ball | 2.73 S Taloga | 16:35 local · NCEI |
| Apr 30, 2024 | 1.25 inhalf dollar | 2.45 N Fay | 14:55 local · NCEI |
Cities and towns in Dewey County
Questions about hail in Dewey County
How often does it hail in Dewey County, Oklahoma?
336 hail reports have been logged in Dewey County since 1956. Over the 20 years 2006–2025 that averages 4.9 reports a year. That ranks #43 of 78 Oklahoma counties by number of reports.
When is hail season in Dewey County?
Most reports come in May, April, June. May alone accounts for 29% of all reports.
What is the largest hail recorded in Dewey County?
4.75 in (softball size) on May 15, 1990. 8% of reports here were 2 inches or larger.
When did it last hail in Dewey 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 Dewey County had in the last five years?
9 separate days with hail reports since November 3, 2021, adding up to 14 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.