2 alerts are in effect for Jefferson County as of 6:29 PM CDT.
Open the live map on Jefferson County Get a message when a warning reaches your address
The map shows radar, every warning shape, and the path and arrival time of each storm cell headed toward the center of Jefferson County. Tap your own street on it for times that apply to you.
RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING FOR SOUTHEAST ARKANSAS, NORTHEAST LOUISIANA, AND CENTRAL AND SOUTHERN MISSISSIPPI
A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures will create favorable weather for rapid fire growth and spread. Avoid activities that promote open flames and sparks.
RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING FOR SOUTHEAST ARKANSAS, NORTHEAST LOUISIANA, AND CENTRAL AND SOUTHERN MISSISSIPPI
A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures will create favorable weather for rapid fire growth and spread. Avoid activities that promote open flames and sparks.
No tornado warning has included Jefferson County in the last 12 months.
| Date | Issued | Type | Office | Product |
|---|---|---|---|---|
| Aug 27, 2026 | 1:52 AM CDT | Severe thunderstorm warning | JAN | text |
| Aug 21, 2026 | 5:13 PM CDT | Severe thunderstorm warning | JAN | text |
| Aug 21, 2026 | 4:14 PM CDT | Severe thunderstorm warning | JAN | text |
| Aug 21, 2026 | 4:10 PM CDT | Severe thunderstorm warning | JAN | text |
| Aug 21, 2026 | 4:04 PM CDT | Severe thunderstorm warning | JAN | text |
| Aug 21, 2026 | 2:38 PM CDT | Severe thunderstorm warning | JAN | text |
| Jun 18, 2026 | 8:44 AM CDT | Flash flood warning | JAN | text |
| May 23, 2026 | 1:05 PM CDT | Severe thunderstorm warning | JAN | text |
| May 23, 2026 | 12:16 PM CDT | Severe thunderstorm warning | JAN | text |
| May 23, 2026 | 11:22 AM CDT | Severe thunderstorm warning | JAN | text |
| May 22, 2026 | 7:01 PM CDT | Severe thunderstorm warning | JAN | text |
| Apr 29, 2026 | 4:01 PM CDT | Severe thunderstorm warning | JAN | text |
A warning counts here if the Weather Service listed Jefferson County in it, even if the warned area covered only part of the county.
Alerts come from the National Weather Service and refresh every minute. Past warnings come from the Iowa Environmental Mesonet's archive of Weather Service products. During a warning, also listen to local radio, TV or a weather radio.