Jefferson County weather alerts
There are no active weather alerts for Jefferson County, NE right now.
Since 2016 the National Weather Service has issued about 951 alerts that included Jefferson County, roughly 95 a year. The most common is the severe thunderstorm warning (186 from 2016 to 2025). The last tornado warning was issued on June 6, 2026. 29 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 Jefferson County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Saline County, Washington County, Gage County, Thayer County.
Jefferson County alert history
Alert events that included Jefferson County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 186 | 45 | September 14, 2026 |
| Severe Thunderstorm Watch | 100 | 12 | August 19, 2026 |
| Winter Weather Advisory | 87 | 2 | March 1, 2026 |
| Wind Advisory | 70 | 2 | March 12, 2026 |
| Red Flag Warning | 68 | 7 | April 14, 2026 |
| Dense Fog Advisory | 62 | 8 | September 17, 2026 |
| Heat Advisory | 50 | 7 | September 8, 2026 |
| Flood Watch | 35 | 6 | September 30, 2026 |
| Freeze Warning | 31 | 2 | October 17, 2026 |
| Cold Weather Advisory | 30 | 2 | January 26, 2026 |
| Fire Weather Watch | 30 | 5 | March 28, 2026 |
| Tornado Watch | 25 | 6 | September 14, 2026 |
| Flood Advisory | 24 | 2 | August 16, 2026 |
| Winter Storm Watch | 17 | 0 | March 19, 2025 |
| Flood Warning | 16 | 5 | October 1, 2026 |
| Frost Advisory | 16 | 3 | May 2, 2026 |
| Winter Storm Warning | 14 | 0 | February 12, 2025 |
| Tornado Warning | 13 | 7 | June 6, 2026 |
| Extreme Heat Watch | 12 | 0 | July 28, 2025 |
| High Wind Warning | 12 | 1 | March 15, 2026 |
| Freeze Watch | 11 | 1 | October 17, 2026 |
| Flash Flood Warning | 9 | 4 | June 6, 2026 |
| Extreme Heat Warning | 8 | 1 | July 25, 2026 |
| High Wind Watch | 8 | 1 | March 15, 2026 |
| Extreme Cold Watch | 5 | 0 | February 19, 2025 |
| Extreme Cold Warning | 5 | 0 | February 20, 2025 |
| Blizzard Warning | 4 | 0 | March 19, 2025 |
| Snow Squall Warning | 2 | 0 | January 18, 2024 |
| Ice Storm Warning | 1 | 0 | January 15, 2017 |
Tornado history in Jefferson County
29 tornadoes have been recorded in Jefferson County since 1950, killing 1 people and injuring 42. That ranks 58 of 93 counties in Nebraska. The most recent was on June 9, 2020 (rated unknown).
Strongest tornadoes in Jefferson County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 22, 2004 | F4 | Jefferson County | 54 mi | 4,400 yd | 1 | 38 |
| April 28, 1956 | F3 | Jefferson County | 39.3 mi | 10 yd | 0 | 1 |
| July 24, 1993 | F3 | Jefferson County | 9 mi | 1,760 yd | 0 | 0 |
| May 20, 1957 | F2 | Thayer County | 75.3 mi | 10 yd | 0 | 0 |
| June 7, 1967 | F2 | Jefferson County | 67.3 mi | 10 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 9, 2020 | ? | Jefferson County | 0.1 mi | 1 yd | 0 | 0 |
| May 11, 2014 | EF1 | Jefferson County | 15.5 mi | 500 yd | 0 | 1 |
| May 27, 2013 | EF2 | Jefferson County | 5.9 mi | 600 yd | 0 | 0 |
| May 27, 2013 | EF0 | Jefferson County | 3.3 mi | 100 yd | 0 | 0 |
| September 13, 2010 | EF0 | Jefferson County | 0.2 mi | 50 yd | 0 | 0 |
About Jefferson County
- Population: 7,136 (2024 estimate)
- State: Nebraska
- NOAA Weather Radio SAME code: 031095 (how to use it)