Union County, Tennessee: tornado and severe weather warnings
Nothing is in effect for Union County as of 5:14 PM EDT: no warnings, watches or advisories. This page checks the National Weather Service every minute.
Open the live map on Union 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 Union County. Tap your own street on it for times that apply to you.
The last 12 months in Union County
- 0 tornado warnings
- 12 severe thunderstorm warnings
- 5 flash flood warnings
- 0 tornado watches
- 5 severe thunderstorm watches
No tornado warning has included Union County in the last 12 months.
| Date | Issued | Type | Office | Product |
|---|---|---|---|---|
| Sep 20, 2026 | 5:37 PM EDT | Severe thunderstorm warning | MRX | text |
| Aug 17, 2026 | 4:07 PM EDT | Severe thunderstorm warning | MRX | text |
| Aug 17, 2026 | 3:26 PM EDT | Severe thunderstorm warning | MRX | text |
| Aug 14, 2026 | 1:49 PM EDT | Severe thunderstorm warning | MRX | text |
| Aug 11, 2026 | 8:29 PM EDT | Severe thunderstorm warning | MRX | text |
| Jul 22, 2026 | 10:10 AM EDT | Flash flood warning | MRX | text |
| Jul 22, 2026 | 9:09 AM EDT | Flash flood warning | MRX | text |
| Jul 17, 2026 | 3:50 PM EDT | Flash flood warning | MRX | text |
| Jul 12, 2026 | 12:00 AM EDT | Flash flood warning | MRX | text |
| Jul 5, 2026 | 12:56 PM EDT | Severe thunderstorm warning | MRX | text |
| Jul 3, 2026 | 9:03 PM EDT | Severe thunderstorm warning | MRX | text |
| Jun 28, 2026 | 9:08 AM EDT | Flash flood warning | MRX | text |
A warning counts here if the Weather Service listed Union County in it, even if the warned area covered only part of the county.
Nearby
- Claiborne County, TN
- Grainger County, TN
- Campbell County, TN
- Knox County, TN
- Anderson County, TN
- Jefferson County, TN
- Bell County, KY
- Hamblen County, TN
- All of Tennessee
What the alerts mean
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.