Grainger County, Tennessee: tornado and severe weather warnings
Nothing is in effect for Grainger County as of 6:19 PM EDT: no warnings, watches or advisories. This page checks the National Weather Service every minute.
Open the live map on Grainger 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 Grainger County. Tap your own street on it for times that apply to you.
The last 12 months in Grainger County
- 0 tornado warnings
- 17 severe thunderstorm warnings
- 3 flash flood warnings
- 0 tornado watches
- 4 severe thunderstorm watches
No tornado warning has included Grainger County in the last 12 months.
| Date | Issued | Type | Office | Product |
|---|---|---|---|---|
| Sep 18, 2026 | 7:03 PM EDT | Severe thunderstorm warning | MRX | text |
| Aug 17, 2026 | 4:46 PM EDT | Severe thunderstorm warning | MRX | text |
| Aug 17, 2026 | 4:43 PM EDT | Severe thunderstorm warning | MRX | text |
| Aug 17, 2026 | 4:27 PM EDT | Severe thunderstorm warning | MRX | text |
| Aug 17, 2026 | 4:07 PM EDT | Severe thunderstorm warning | MRX | text |
| Aug 11, 2026 | 8:29 PM EDT | Severe thunderstorm warning | MRX | text |
| Jul 28, 2026 | 9:44 AM EDT | Severe thunderstorm warning | MRX | text |
| Jul 22, 2026 | 9:09 AM EDT | Flash flood warning | MRX | text |
| Jul 12, 2026 | 12:00 AM EDT | Flash flood warning | MRX | text |
| Jun 28, 2026 | 9:08 AM EDT | Flash flood warning | MRX | text |
| Jun 18, 2026 | 6:31 PM EDT | Severe thunderstorm warning | MRX | text |
| May 22, 2026 | 6:33 PM EDT | Severe thunderstorm warning | MRX | text |
A warning counts here if the Weather Service listed Grainger County in it, even if the warned area covered only part of the county.
Nearby
- Hamblen County, TN
- Jefferson County, TN
- Claiborne County, TN
- Union County, TN
- Hancock County, TN
- Knox County, TN
- Bell County, KY
- Cocke 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.