Dewey County weather alerts
There are no active weather alerts for Dewey County, OK right now.
Since 2016 the National Weather Service has issued about 1,452 alerts that included Dewey County, roughly 145 a year. The most common is the severe thunderstorm warning (437 from 2016 to 2025). The last tornado warning was issued on April 25, 2025. 55 tornadoes have touched down in the county since 1950.
Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS
No warnings, watches or advisories include Dewey County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Blaine County, Custer County, Woodward County, Ellis County.
Dewey County alert history
Alert events that included Dewey County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 437 | 54 | November 2, 2026 |
| Wind Advisory | 142 | 11 | May 18, 2026 |
| Severe Thunderstorm Watch | 120 | 16 | October 13, 2026 |
| Red Flag Warning | 103 | 20 | August 9, 2026 |
| Flood Advisory | 99 | 9 | July 12, 2026 |
| Fire Weather Watch | 91 | 13 | August 13, 2026 |
| Dense Fog Advisory | 83 | 4 | November 10, 2026 |
| Winter Weather Advisory | 55 | 0 | December 4, 2025 |
| Flood Watch | 36 | 3 | October 14, 2026 |
| Tornado Watch | 36 | 9 | November 2, 2026 |
| Freeze Warning | 33 | 0 | November 10, 2025 |
| Heat Advisory | 31 | 27 | September 13, 2026 |
| Flash Flood Warning | 28 | 1 | June 1, 2026 |
| High Wind Warning | 23 | 2 | March 15, 2026 |
| Tornado Warning | 22 | 0 | April 25, 2025 |
| Flood Warning | 21 | 1 | October 14, 2026 |
| Freeze Watch | 21 | 0 | November 10, 2025 |
| Cold Weather Advisory | 19 | 2 | January 31, 2026 |
| Winter Storm Watch | 12 | 1 | January 23, 2026 |
| Winter Storm Warning | 12 | 1 | January 23, 2026 |
| High Wind Watch | 10 | 1 | March 15, 2026 |
| Frost Advisory | 7 | 2 | October 17, 2026 |
| Extreme Cold Warning | 4 | 1 | January 24, 2026 |
| Extreme Cold Watch | 3 | 1 | January 24, 2026 |
| Ice Storm Warning | 2 | 0 | October 26, 2020 |
| Extreme Heat Warning | 2 | 1 | July 23, 2026 |
Tornado history in Dewey County
55 tornadoes have been recorded in Dewey County since 1950, killing 1 people and injuring 9. That ranks 45 of 77 counties in Oklahoma. The most recent was on June 15, 2019 (rated EF1).
Strongest tornadoes in Dewey County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 24, 2011 | EF3 | Dewey County | 13.2 mi | 880 yd | 1 | 2 |
| April 17, 2002 | F3 | Dewey County | 8 mi | 600 yd | 0 | 0 |
| April 29, 1954 | F2 | Roger Mills County | 33.3 mi | 10 yd | 0 | 0 |
| May 5, 2007 | EF2 | Dewey County | 16 mi | 600 yd | 0 | 0 |
| April 19, 1972 | F2 | Dewey County | 15.5 mi | 77 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 15, 2019 | EF1 | Dewey County | 3.2 mi | 100 yd | 0 | 0 |
| May 18, 2017 | ? | Dewey County | 0.2 mi | 50 yd | 0 | 0 |
| May 16, 2015 | EF1 | Dewey County | 0.5 mi | 50 yd | 0 | 0 |
| May 6, 2015 | EF0 | Dewey County | 0.3 mi | 30 yd | 0 | 0 |
| April 26, 2013 | EF0 | Dewey County | 0.2 mi | 50 yd | 0 | 0 |
About Dewey County
- Population: 4,268 (2024 estimate)
- State: Oklahoma
- NOAA Weather Radio SAME code: 040043 (how to use it)