Severe Thunderstorm Watch — Sumner 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 20 at 12:08AM CDT until August 20 at 6:00AM CDT by NWS Nashville TN
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 603 IN EFFECT UNTIL 6 AM CDT EARLY THIS MORNING FOR THE FOLLOWING AREAS IN TENNESSEE THIS WATCH INCLUDES 12 COUNTIES IN MIDDLE TENNESSEE CHEATHAM DAVIDSON DICKSON HOUSTON HUMPHREYS MONTGOMERY ROBERTSON STEWART SUMNER TROUSDALE WILLIAMSON WILSON THIS INCLUDES THE CITIES OF ASHLAND CITY, BRENTWOOD, CLARKSVILLE, DICKSON, DOVER, ERIN, FRANKLIN, GALLATIN, GOODLETTSVILLE, HARTSVILLE, HENDERSONVILLE, KINGSTON SPRINGS, LEBANON, MCEWEN, MOUNT JULIET, NASHVILLE, NEW JOHNSONVILLE, PEGRAM, SPRINGFIELD, TENNESSEE RIDGE, AND WAVERLY.
Effective August 20, 2026 at 1:08 AM ET · Expires August 20, 2026 at 7:00 AM ET
Event Details
Event Type
Severe Thunderstorm Watch
Severity
severe
Issued By
NWS Nashville TN
Expires
August 20, 2026 at 7:00 AM ET
Last Checked
1 minute ago
Also In Effect For
This same Severe Thunderstorm Watch also covers:
Other Active Alerts in Tennessee
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Get Severe Thunderstorm Watch Alerts for Sumner 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 Sumner 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 (1 minute ago). It's set to expire August 20, 2026 at 7:00 AM ET.
How do I get notified about Severe Thunderstorm Watch alerts for Sumner County?
Download StormCast free on Google Play and set Sumner 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 Cheatham County, Dickson County, Houston County, Wilson County, Davidson County, Robertson County, Trousdale County, Stewart County, Williamson County, Humphreys County, Montgomery County.