Knox County weather alerts
There are no active weather alerts for Knox County, NE right now.
Since 2016 the National Weather Service has issued about 1,000 alerts that included Knox County, roughly 100 a year. The most common is the severe thunderstorm warning (226 from 2016 to 2025). The last tornado warning was issued on September 2, 2026. 47 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 Knox County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Antelope County, Bon Homme County, Holt County, Yankton County.
Knox County alert history
Alert events that included Knox County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 226 | 26 | September 2, 2026 |
| Winter Weather Advisory | 90 | 3 | March 6, 2026 |
| Wind Advisory | 85 | 5 | June 17, 2026 |
| Severe Thunderstorm Watch | 80 | 10 | September 1, 2026 |
| Red Flag Warning | 64 | 13 | May 14, 2026 |
| Dense Fog Advisory | 50 | 7 | September 30, 2026 |
| Heat Advisory | 48 | 6 | September 2, 2026 |
| Cold Weather Advisory | 43 | 3 | March 16, 2026 |
| Flood Warning | 41 | 0 | June 22, 2024 |
| Winter Storm Watch | 33 | 1 | March 15, 2026 |
| Fire Weather Watch | 30 | 8 | May 14, 2026 |
| Winter Storm Warning | 27 | 1 | March 15, 2026 |
| Freeze Warning | 25 | 2 | October 17, 2026 |
| Flood Advisory | 24 | 2 | September 5, 2026 |
| High Wind Warning | 21 | 3 | March 15, 2026 |
| Frost Advisory | 17 | 3 | May 20, 2026 |
| Tornado Watch | 13 | 2 | June 10, 2026 |
| Extreme Cold Warning | 11 | 1 | January 23, 2026 |
| Blizzard Warning | 10 | 1 | March 15, 2026 |
| Flash Flood Warning | 10 | 2 | August 12, 2026 |
| Extreme Heat Watch | 9 | 0 | July 28, 2025 |
| Flood Watch | 9 | 1 | July 3, 2026 |
| High Wind Watch | 9 | 1 | March 15, 2026 |
| Freeze Watch | 8 | 1 | October 17, 2026 |
| Extreme Heat Warning | 7 | 1 | July 25, 2026 |
| Extreme Cold Watch | 6 | 1 | January 23, 2026 |
| Tornado Warning | 4 | 1 | September 2, 2026 |
Tornado history in Knox County
47 tornadoes have been recorded in Knox County since 1950, killing 1 people and injuring 107. That ranks 23 of 93 counties in Nebraska. The most recent was on October 4, 2013 (rated EF3).
Strongest tornadoes in Knox County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 6, 1975 | F3 | Pierce County | 44.8 mi | 90 yd | 0 | 0 |
| October 4, 2013 | EF3 | Knox County | 6.4 mi | 590 yd | 0 | 0 |
| May 30, 1959 | F2 | Knox County | 26.8 mi | 10 yd | 1 | 2 |
| April 20, 1985 | F2 | Knox County | 35 mi | 440 yd | 0 | 0 |
| May 5, 2007 | EF2 | Knox County | 5.5 mi | 500 yd | 0 | 3 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| October 4, 2013 | EF3 | Knox County | 6.4 mi | 590 yd | 0 | 0 |
| April 15, 2012 | EF0 | Knox County | 0.5 mi | 25 yd | 0 | 0 |
| April 15, 2012 | EF0 | Knox County | 0.4 mi | 40 yd | 0 | 0 |
| March 23, 2009 | EF1 | Knox County | 1.8 mi | 75 yd | 0 | 0 |
| May 5, 2007 | EF0 | Knox County | 3.5 mi | 100 yd | 0 | 0 |
About Knox County
- Population: 8,306 (2024 estimate)
- State: Nebraska
- NOAA Weather Radio SAME code: 031107 (how to use it)