Harper County weather alerts
There are no active weather alerts for Harper County, KS right now.
Since 2016 the National Weather Service has issued about 1,016 alerts that included Harper County, roughly 102 a year. The most common is the severe thunderstorm warning (177 from 2016 to 2025). The last tornado warning was issued on March 6, 2026. 67 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 Harper County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Barber County, Alfalfa County, Sumner County, Kingman County.
Harper County alert history
Alert events that included Harper County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 177 | 38 | October 14, 2026 |
| Wind Advisory | 139 | 6 | May 18, 2026 |
| Severe Thunderstorm Watch | 112 | 14 | October 13, 2026 |
| Dense Fog Advisory | 85 | 8 | November 11, 2026 |
| Red Flag Warning | 74 | 7 | April 14, 2026 |
| Heat Advisory | 71 | 15 | September 2, 2026 |
| Winter Weather Advisory | 54 | 0 | February 12, 2025 |
| Fire Weather Watch | 52 | 6 | April 14, 2026 |
| Flood Watch | 41 | 4 | October 13, 2026 |
| Tornado Watch | 34 | 8 | November 2, 2026 |
| Flood Warning | 27 | 7 | October 14, 2026 |
| Freeze Warning | 23 | 0 | November 2, 2025 |
| High Wind Warning | 22 | 1 | March 15, 2026 |
| Extreme Heat Warning | 16 | 4 | August 11, 2026 |
| Winter Storm Watch | 12 | 1 | January 23, 2026 |
| High Wind Watch | 12 | 1 | March 15, 2026 |
| Cold Weather Advisory | 11 | 2 | January 31, 2026 |
| Flash Flood Warning | 9 | 0 | October 3, 2019 |
| Frost Advisory | 9 | 2 | October 17, 2026 |
| Freeze Watch | 9 | 0 | October 30, 2025 |
| Tornado Warning | 7 | 2 | March 6, 2026 |
| Winter Storm Warning | 6 | 1 | January 23, 2026 |
| Extreme Cold Watch | 5 | 1 | January 23, 2026 |
| Extreme Cold Warning | 4 | 0 | February 18, 2025 |
| Extreme Heat Watch | 3 | 1 | July 21, 2026 |
| Ice Storm Warning | 1 | 0 | January 13, 2017 |
| Snow Squall Warning | 1 | 0 | December 22, 2022 |
Tornado history in Harper County
67 tornadoes have been recorded in Harper County since 1950, injuring 1 people. That ranks 14 of 105 counties in Kansas. The most recent was on June 17, 2025 (rated EF0).
Strongest tornadoes in Harper County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 12, 2004 | F4 | Harper County | 1.2 mi | 500 yd | 0 | 1 |
| May 5, 1964 | F3 | Barber County | 33 mi | 660 yd | 0 | 0 |
| May 19, 2012 | EF3 | Harper County | 9.7 mi | 100 yd | 0 | 0 |
| May 19, 2012 | EF3 | Harper County | 9.7 mi | 150 yd | 0 | 0 |
| June 11, 1967 | F2 | Barber County | 32.2 mi | 10 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 17, 2025 | EF0 | Harper County | 0.1 mi | 10 yd | 0 | 0 |
| May 25, 2024 | EF2 | Harper County | 6.7 mi | 100 yd | 0 | 0 |
| June 23, 2019 | ? | Harper County | 0.6 mi | 50 yd | 0 | 0 |
| June 23, 2019 | ? | Harper County | 0.8 mi | 50 yd | 0 | 0 |
| May 6, 2015 | EF0 | Harper County | 0.3 mi | 50 yd | 0 | 0 |
About Harper County
- Population: 5,413 (2024 estimate)
- State: Kansas
- NOAA Weather Radio SAME code: 020077 (how to use it)