2 alerts are in effect for Jefferson County as of 6:37 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.
FLOOD WATCH REMAINS IN EFFECT FROM SATURDAY EVENING TO SUNDAY AFTERNOON
If you are in the watch area, remain alert to possible flooding. Additional information is available at www.weather.gov. The next statement will be issued late tonight at 430 AM CDT.
FLOOD ADVISORY NOW IN EFFECT UNTIL MONDAY EVENING
Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov. The next statement will be issued this evening at 845 PM CDT.
The most recent tornado warning that included Jefferson County was issued Apr 26, 2026 by the Weather Service office in Norman, OK.
| Date | Issued | Type | Office | Product |
|---|---|---|---|---|
| Oct 14, 2026 | 9:46 PM CDT | Severe thunderstorm warning | OUN | text |
| Oct 14, 2026 | 9:06 PM CDT | Severe thunderstorm warning | OUN | text |
| Oct 1, 2026 | 6:02 AM CDT | Flash flood warning | OUN | text |
| Aug 8, 2026 | 5:46 PM CDT | Severe thunderstorm warning | OUN | text |
| Jul 5, 2026 | 2:54 PM CDT | Severe thunderstorm warning | OUN | text |
| Jun 22, 2026 | 3:10 AM CDT | Severe thunderstorm warning | OUN | text |
| Jun 19, 2026 | 6:40 AM CDT | Flash flood warning | OUN | text |
| Jun 19, 2026 | 5:12 AM CDT | Severe thunderstorm warning | OUN | text |
| Jun 11, 2026 | 10:22 PM CDT | Severe thunderstorm warning | OUN | text |
| Jun 11, 2026 | 9:54 PM CDT | Severe thunderstorm warning | OUN | text |
| May 21, 2026 | 2:52 PM CDT | Flash flood warning | OUN | text |
| May 9, 2026 | 11:03 PM CDT | Severe thunderstorm warning | OUN | 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.