Harmon County weather alerts
There are no active weather alerts for Harmon County, OK right now.
Since 2016 the National Weather Service has issued about 1,184 alerts that included Harmon County, roughly 118 a year. The most common is the severe thunderstorm warning (287 from 2016 to 2025). The last tornado warning was issued on April 26, 2025. 33 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 Harmon County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Childress County, Beckham County, Greer County, Jackson County.
Harmon County alert history
Alert events that included Harmon County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 287 | 48 | October 14, 2026 |
| Severe Thunderstorm Watch | 125 | 11 | October 14, 2026 |
| Red Flag Warning | 118 | 23 | August 24, 2026 |
| Wind Advisory | 109 | 6 | April 18, 2026 |
| Fire Weather Watch | 92 | 15 | August 13, 2026 |
| Heat Advisory | 70 | 31 | September 13, 2026 |
| Dense Fog Advisory | 58 | 3 | November 10, 2026 |
| Tornado Watch | 42 | 6 | November 2, 2026 |
| Flood Watch | 40 | 2 | October 14, 2026 |
| Flood Advisory | 40 | 7 | October 14, 2026 |
| Winter Weather Advisory | 40 | 0 | December 4, 2025 |
| Tornado Warning | 26 | 0 | April 26, 2025 |
| Freeze Warning | 25 | 0 | November 10, 2025 |
| Flash Flood Warning | 19 | 2 | October 14, 2026 |
| High Wind Warning | 17 | 1 | March 15, 2026 |
| Freeze Watch | 15 | 0 | November 10, 2025 |
| Cold Weather Advisory | 12 | 2 | January 31, 2026 |
| Winter Storm Watch | 11 | 1 | January 23, 2026 |
| Extreme Heat Warning | 10 | 3 | August 24, 2026 |
| High Wind Watch | 10 | 1 | March 15, 2026 |
| Flood Warning | 6 | 0 | May 26, 2019 |
| Winter Storm Warning | 5 | 1 | January 23, 2026 |
| Frost Advisory | 2 | 1 | October 17, 2026 |
| Extreme Cold Warning | 2 | 1 | January 24, 2026 |
| Extreme Cold Watch | 2 | 1 | January 24, 2026 |
| Ice Storm Warning | 1 | 0 | October 26, 2020 |
Tornado history in Harmon County
33 tornadoes have been recorded in Harmon County since 1950, injuring 6 people. That ranks 70 of 77 counties in Oklahoma. The most recent was on November 18, 2024 (rated unknown).
Strongest tornadoes in Harmon County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 6, 1965 | F2 | Harmon County | 31.3 mi | 10 yd | 0 | 2 |
| May 13, 1983 | F2 | Harmon County | 15 mi | 500 yd | 0 | 0 |
| May 6, 1968 | F2 | Harmon County | 4.7 mi | 10 yd | 0 | 0 |
| April 17, 1976 | F1 | Harmon County | 23.5 mi | 50 yd | 0 | 2 |
| June 1, 1955 | F1 | Harmon County | 11.8 mi | 400 yd | 0 | 2 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| November 18, 2024 | ? | Harmon County | 2.7 mi | 30 yd | 0 | 0 |
| November 18, 2024 | EF1 | Harmon County | 4 mi | 150 yd | 0 | 0 |
| November 18, 2024 | EF1 | Jackson County | 3.4 mi | 50 yd | 0 | 0 |
| May 23, 2024 | EF0 | Harmon County | 0.9 mi | 20 yd | 0 | 0 |
| February 26, 2023 | ? | Harmon County | 7.5 mi | 200 yd | 0 | 0 |
About Harmon County
- Population: 2,315 (2024 estimate)
- State: Oklahoma
- NOAA Weather Radio SAME code: 040057 (how to use it)