2 alerts are in effect for Jefferson County as of 8:41 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 FROM 9 AM TO 8 PM CDT SATURDAY FOR HIGH WINDS AND LOW RELATIVE HUMIDITY FOR SOUTHEAST TEXAS AND SOUTHWEST LOUISIANA
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 can contribute to extreme fire behavior.
WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT SATURDAY
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
No tornado warning has included Jefferson County in the last 12 months.
| Date | Issued | Type | Office | Product |
|---|---|---|---|---|
| Sep 2, 2026 | 4:46 AM CDT | Flash flood warning | LCH | text |
| Sep 2, 2026 | 2:02 AM CDT | Flash flood warning | LCH | text |
| Sep 2, 2026 | 12:58 AM CDT | Flash flood warning | LCH | text |
| Sep 1, 2026 | 4:27 PM CDT | Flash flood warning | LCH | text |
| Sep 1, 2026 | 2:49 PM CDT | Flash flood warning | LCH | text |
| Aug 27, 2026 | 5:28 PM CDT | Severe thunderstorm warning | LCH | text |
| Jul 14, 2026 | 5:51 AM CDT | Flash flood warning | LCH | text |
| Jun 21, 2026 | 6:53 AM CDT | Flash flood warning | LCH | text |
| Jun 21, 2026 | 5:40 AM CDT | Flash flood warning | LCH | text |
| Jun 15, 2026 | 2:53 PM CDT | Flash flood warning | LCH | text |
| Jun 6, 2026 | 4:57 PM CDT | Flash flood warning | LCH | text |
| May 23, 2026 | 7:49 AM CDT | Severe thunderstorm warning | LCH | 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.