Severe · Flash Flood WarningThis alert has expired. It is kept for reference.

Flash Flood Warning issued September 23 at 9:57PM EDT until September 24

Affecting Knox, TN

In effect until: Sep 24, 2026, 4:00 AM

Knox, TN

Likely impact in Knox, TN; effects through 4:00 AM.

Be aware of your surroundings and do not drive on flooded roads.

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At 957 PM EDT, local law enforcement reported heavy rain and flooding
in Halls. Between 2 and 4 inches of rain have fallen. Additional
rainfall amounts of 1 to 2 inches are possible in the warned area.
Flash flooding is already occurring.

HAZARD...Flash flooding caused by heavy rain.

SOURCE...Law enforcement reported.

IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.

Some locations that will experience flash flooding include...
Halls, Maloneyville, Mascot and House Mountain State Park.

This includes Interstate 40 in Tennessee between mile markers 397 and
399.

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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™

Flash Flood Warning issued September 23 at 9:57PM EDT until September 24

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