# HEADLINE
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HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT /7 PM CDT/ SATURDAY
# DETAILS
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WHAT
Afternoon heat index values will reach or exceed 100 across much of the area, with some locations peaking around 108.
WHERE
A portion of East Tennessee, primarily in valley locations, will be most likely to approach heat indices near or slightly above 108 during the peak heat of the late afternoon hours.
WHEN
Until 8 PM EDT /7 PM CDT/ Saturday.
IMPACTS
Hot temperatures and high humidity may cause heat illnesses.
ISSUED AT
Friday, September 4, 2026 at 11:30 AM EDT
ISSUED BY
National Weather Service Morristown TN
HEADER
URGENT - WEATHER MESSAGE
# PRECAUTIONARY/PREPAREDNESS ACTIONS
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Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
# AREAS AFFECTED
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Marion, Bledsoe, Bradley, Hamilton, Loudon, McMinn, Meigs, Northwest Monroe, Rhea, Roane, Sequatchie, West Polk
Including the cities of Harriman, Whitwell, Benton, Pikeville, South Pittsburg, Palio, Dayton, Eagle Furnace, Dentville, Grandview, Old Washington, Sweetwater, Reliance, Melvine, Brayton, Jasper, Mount Crest, Kingston, Lenoir City, Conasauga, Monteagle, Chattanooga, Parksville, Cleveland, Cagle, Evensville, Madisonville, Powells Crossroads, Etowah, Cartwright, Haletown (Guild), Oliver Springs, Big Spring, Dunlap, Spring City, Loudon, Clear Water, Old Cumberland, Tasso, Signal Mountain, Fairview, Athens, Lone Oak, Rockwood, Archville, Lookout Mountain, Bullet Creek, Bradbury, and Martin Springs