Flood Advisory — Knox County, Tennessee
Minor flooding is expected — not severe enough for a warning, but potentially inconvenient or hazardous for travel.
Current Status
🌊 Active: Flood Advisory
Flood Advisory issued August 9 at 4:58PM EDT until August 9 at 7:00PM EDT by NWS Morristown TN
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Southeastern Knox County in east Tennessee... * WHEN...Until 700 PM EDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 458 PM EDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. - Additional rainfall amounts of 1 to 2 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Knoxville, Lake Forest, Kimberlin Heights and Mascot. - http://www.weather.gov/safety/flood
Effective August 9, 2026 at 4:58 PM ET · Expires August 9, 2026 at 7:00 PM ET
Event Details
Event Type
Flood Advisory
Severity
minor
Issued By
NWS Morristown TN
Expires
August 9, 2026 at 7:00 PM ET
Last Checked
3 hours ago
What To Do
📋 Official NWS Guidance
Be aware of your surroundings and do not drive on flooded roads.
Other Active Alerts in Tennessee
Flash Flood Warning
Flash Flood Warning
Flash Flood Warning
Flood Advisory
Flood Advisory
Flood Advisory
Get Flood Advisory Alerts for Knox County
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Frequently Asked Questions
What does a Flood Advisory mean for Knox County, Tennessee?
Minor flooding is expected — not severe enough for a warning, but potentially inconvenient or hazardous for travel.
Is this Flood Advisory currently active?
Yes — this alert is active as of our last check (3 hours ago). It's set to expire August 9, 2026 at 7:00 PM ET.
How do I get notified about Flood Advisory alerts for Knox County?
Download StormCast free on Google Play and set Knox 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.