Active Weather Alerts
Severe Thunderstorm Watch
Issued: 10:33 PM Aug. 17, 2026 – National Weather Service
TN . TENNESSEE COUNTIES INCLUDED ARE ANDERSON BLEDSOE BLOUNT BRADLEY CAMPBELL CANNON CARTER CLAIBORNE COCKE COFFEE CUMBERLAND DE KALB FENTRESS GRAINGER GREENE GRUNDY HAMBLEN HAMILTON HANCOCK HAWKINS JEFFERSON JOHNSON KNOX LOUDON MCMINN MARION MEIGS MONROE MORGAN OVERTON POLK PUTNAM RHEA ROANE SCOTT SEQUATCHIE SEVIER SULLIVAN UNICOI UNION VAN BUREN WARREN WASHINGTON WHITE
Flash Flood Warning
Issued: 9:18 PM Aug. 17, 2026 – National Weather Service
The National Weather Service in Morristown has issued a * Flash Flood Warning for... Anderson County in east Tennessee... Southern Campbell County in east Tennessee... Central Knox County in east Tennessee... East Central Morgan County in east Tennessee... South Central Scott County in east Tennessee... * Until 815 PM EDT. * At 518 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. 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... Knoxville, Oak Ridge, Clinton, Oliver Springs, Halls, Rocky Top, Norris, Powell, Karns and Bearden. This includes the following highways... Interstate 75 in Tennessee between mile markers 108 and 129. Interstate 40 in Tennessee between mile markers 379 and 400. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && FLASH FLOOD...RADAR INDICATED
Flood Advisory
Issued: 8:31 PM Aug. 17, 2026 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 730 PM EDT THIS EVENING... * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Anderson County in east Tennessee... Central Campbell County in east Tennessee... Southwestern Grainger County in east Tennessee... West Central Jefferson County in east Tennessee... Knox County in east Tennessee... East Central Morgan County in east Tennessee... Southeastern Scott County in east Tennessee... Northwestern Sevier County in east Tennessee... Southwestern Union County in east Tennessee... * WHEN...Until 730 PM EDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. * ADDITIONAL DETAILS... - At 430 PM EDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. - Some locations that will experience flooding include... Knoxville, Oak Ridge, Clinton, La Follette, Maynardville, Oliver Springs, Plainview and Jacksboro. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. &&
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