Severe Thunderstorm Watch — Union County, Tennessee
Conditions favor the development of severe thunderstorms in and near the watch area.
Current Status
⛈️ Active: Severe Thunderstorm Watch
Severe Thunderstorm Watch issued August 11 at 9:28PM EDT until August 12 at 2:00AM EDT by NWS Morristown TN
SEVERE THUNDERSTORM WATCH 571 REMAINS VALID UNTIL 2 AM EDT WEDNESDAY FOR THE FOLLOWING AREAS IN TENNESSEE THIS WATCH INCLUDES 16 COUNTIES IN EAST TENNESSEE ANDERSON BLOUNT CAMPBELL CLAIBORNE COCKE GRAINGER GREENE HAMBLEN JEFFERSON KNOX LOUDON MORGAN ROANE SCOTT SEVIER UNION THIS INCLUDES THE CITIES OF ALCOA, ALPHA, ARTHUR, BEAN STATION, BEARDEN, BIG SOUTH FORK NATIONAL, BRADBURY, BYBEE, CARYVILLE, CHESTNUT HILL, CLAIRFIELD, CLINTON, DANDRIDGE, EAGLE FURNACE, ELGIN, ELK VALLEY, ELKMONT, FAIRVIEW, FINCASTLE, GREENEVILLE, HAPPY VALLEY, HARRIMAN, HARRISBURG, HARROGATE-SHAWANEE, HARTFORD, HIGH POINT, HOWARD QUARTER, HUNTSVILLE, JEFFERSON CITY, JELLICO, KINGSTON, KNOXVILLE, KODAK, LA FOLLETTE, LAKE FOREST, LENOIR CITY, LONE MOUNTAIN, LOUDON, LUTTRELL, MARYVILLE, MAYNARDVILLE, MCMAHAN, MORRISTOWN, NEWPORT, NORMA, NORRIS LAKE, OAK RIDGE, OLIVE
Effective August 11, 2026 at 9:28 PM ET · Expires August 12, 2026 at 2:00 AM ET
Event Details
Event Type
Severe Thunderstorm Watch
Severity
severe
Issued By
NWS Morristown TN
Expires
August 12, 2026 at 2:00 AM ET
Last Checked
24 minutes ago
Also In Effect For
This same Severe Thunderstorm Watch also covers:
Other Active Alerts in Tennessee
Flash Flood Warning
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Flood Advisory
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Get Severe Thunderstorm Watch Alerts for Union County
StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
Frequently Asked Questions
What does a Severe Thunderstorm Watch mean for Union County, Tennessee?
Conditions favor the development of severe thunderstorms in and near the watch area.
Is this Severe Thunderstorm Watch currently active?
Yes — this alert is active as of our last check (24 minutes ago). It's set to expire August 12, 2026 at 2:00 AM ET.
How do I get notified about Severe Thunderstorm Watch alerts for Union County?
Download StormCast free on Google Play and set Union County, Tennessee as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
What other areas does this alert cover?
This same Severe Thunderstorm Watch is also in effect for Hamblen County, Grainger County, Jefferson County, Claiborne County, Greene County, Cocke County.