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Benton, TN Warnings, Watches and Advisories

NWS Active Alerts for TN - Map View

State: TN Total alerts: 2 Updated: Sep 23, 2026 9:43pm EDT

Flash Flood Warning

Area
Knox, TN
Flash Flood Warning issued September 23 at 9:03PM EDT until September 24 at 12:00AM EDT by NWS Morristown TN

FFWMRX The National Weather Service in Morristown has issued a * Flash Flood Warning for... Northeastern Knox County in east Tennessee... * Until midnight EDT. * At 903 PM EDT, Doppler radar indicated heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by heavy rain. SOURCE...Radar indicated. 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.

Flash Flood Warning

Area
Anderson, TN; Knox, TN
Flash Flood Warning issued September 23 at 8:45PM EDT until September 23 at 10:45PM EDT by NWS Morristown TN

FFWMRX The National Weather Service in Morristown has issued a * Flash Flood Warning for... South Central Anderson County in east Tennessee... West Central Knox County in east Tennessee... * Until 1045 PM EDT. * At 845 PM EDT, Doppler radar indicated heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by heavy rain. SOURCE...Radar indicated. 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... Oak Ridge, Farragut, Oliver Springs, Karns and Powell. This includes the following highways... Interstate 75 in Tennessee between mile markers 113 and 115. Interstate 40 in Tennessee between mile markers 369 and 375.

SAFETY and DATA MESSAGE

When a severe thunderstorm warning is issued, the storm may produce damaging winds, large hail, dangerous lightning, and heavy rain. In some cases, heavy rainfall produced by a severe storm can also lead to flash flooding. Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Benton.

Use the Radar Maps link provided to understand the trajectory of a storm.

For more official information about severe storms and how to stay safe, visit the National Weather Service's Severe Thunderstorm Safety page. We encourage you to also monitor Excessive Rainfall Forecasts on their Weather Prediction Center website.

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