Flash Flood Warning — Sevier County, Tennessee
Flooding is imminent or already occurring. Move to higher ground immediately — never drive through flooded roads.
Current Status
🌊 Active: Flash Flood Warning
Flash Flood Warning issued August 11 at 10:57PM EDT until August 12 at 1:30AM EDT by NWS Morristown TN
At 1057 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. Some locations that will experience flash flooding include... Knoxville, Sevierville, Gatlinburg, Pigeon Forge, Pittman Center, McMahan, Seymour, Kimberlin Heights and Wears Valley. This includes the following highways... Interstate 75 in Tennessee between mile markers 108 and 109. Interstate 40 in Tennessee between mile markers 384 and 403.
Effective August 11, 2026 at 10:57 PM ET · Expires August 12, 2026 at 1:30 AM ET
Event Details
Event Type
Flash Flood Warning
Severity
severe
Issued By
NWS Morristown TN
Expires
August 12, 2026 at 1:30 AM ET
Last Checked
1 minute ago
What To Do
📋 Official NWS Guidance
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.
Other Active Alerts in Tennessee
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Flash Flood Warning
Flash Flood Warning
Flash Flood Warning
Flood Advisory
Flood Advisory
Get Flash Flood Warning Alerts for Sevier County
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Frequently Asked Questions
What does a Flash Flood Warning mean for Sevier County, Tennessee?
Flooding is imminent or already occurring. Move to higher ground immediately — never drive through flooded roads.
Is this Flash Flood Warning currently active?
Yes — this alert is active as of our last check (1 minute ago). It's set to expire August 12, 2026 at 1:30 AM ET.
How do I get notified about Flash Flood Warning alerts for Sevier County?
Download StormCast free on Google Play and set Sevier 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.