Jefferson County weather alerts
There are no active weather alerts for Jefferson County, MS right now.
Since 2016 the National Weather Service has issued about 899 alerts that included Jefferson County, roughly 90 a year. The most common is the severe thunderstorm warning (202 from 2016 to 2025). The last tornado warning was issued on March 15, 2025. 28 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 Lincoln County, Copiah County, Tensas Parish, Claiborne 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 | 202 | 23 | August 27, 2026 |
| Heat Advisory | 143 | 29 | September 16, 2026 |
| Dense Fog Advisory | 95 | 6 | November 5, 2026 |
| Tornado Watch | 94 | 4 | May 6, 2026 |
| Severe Thunderstorm Watch | 53 | 6 | August 21, 2026 |
| Flood Watch | 48 | 3 | June 20, 2026 |
| Wind Advisory | 43 | 2 | October 9, 2026 |
| Flash Flood Warning | 41 | 2 | June 18, 2026 |
| Tornado Warning | 30 | 0 | March 15, 2025 |
| Extreme Heat Warning | 30 | 8 | August 21, 2026 |
| Freeze Warning | 21 | 1 | March 17, 2026 |
| Red Flag Warning | 15 | 5 | October 17, 2026 |
| Flood Warning | 14 | 0 | April 14, 2025 |
| Cold Weather Advisory | 14 | 1 | February 1, 2026 |
| Freeze Watch | 12 | 1 | March 17, 2026 |
| Flood Advisory | 11 | 0 | May 11, 2025 |
| Winter Weather Advisory | 11 | 0 | January 21, 2025 |
| Winter Storm Warning | 7 | 0 | January 15, 2024 |
| Winter Storm Watch | 5 | 1 | January 23, 2026 |
| Tropical Storm Watch | 3 | 0 | September 10, 2024 |
| Fire Weather Watch | 3 | 3 | October 17, 2026 |
| Tropical Storm Warning | 2 | 0 | August 28, 2021 |
| High Wind Warning | 1 | 0 | March 30, 2022 |
| Extreme Heat Watch | 1 | 0 | June 29, 2023 |
| Extreme Cold Watch | 0 | 2 | January 31, 2026 |
| Extreme Cold Warning | 0 | 2 | January 31, 2026 |
| Ice Storm Warning | 0 | 1 | January 24, 2026 |
Tornado history in Jefferson County
28 tornadoes have been recorded in Jefferson County since 1950, killing 32 people and injuring 242. That ranks 50 of 82 counties in Mississippi. The most recent was on December 28, 2024 (rated EF1).
Strongest tornadoes in Jefferson County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| January 23, 1969 | F4 | Jefferson County | 117.8 mi | 200 yd | 32 | 241 |
| March 30, 1976 | F3 | Jefferson County | 31.7 mi | 1,583 yd | 0 | 0 |
| November 23, 2004 | F3 | Jefferson County | 18 mi | 600 yd | 0 | 0 |
| April 24, 1953 | F2 | Jefferson County | 96.7 mi | 30 yd | 0 | 0 |
| September 25, 2005 | F2 | Jefferson County | 10 mi | 600 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| December 28, 2024 | EF1 | Jefferson County | 11.1 mi | 400 yd | 0 | 0 |
| December 28, 2024 | EF1 | Jefferson County | 9.3 mi | 750 yd | 0 | 0 |
| December 14, 2022 | EF1 | Jefferson County | 4.5 mi | 300 yd | 0 | 0 |
| May 2, 2021 | EF1 | Jefferson County | 14 mi | 650 yd | 0 | 0 |
| April 18, 2019 | EF1 | Jefferson County | 8.4 mi | 1,100 yd | 0 | 0 |
About Jefferson County
- Population: 6,900 (2024 estimate)
- State: Mississippi
- NOAA Weather Radio SAME code: 028063 (how to use it)