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Home Return to list Heat Advisory 0003 Issued by the Morristown / Knoxville Forecast Office
Action: New Issued At: 2026-08-14 11:11:46 643 WWUS74 KMRX 141611 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 1211 PM EDT Fri Aug 14 2026 TNZ081>085-098>101-150630- /O.NEW.KMRX.HT.Y.0003.260814T1700Z-260817T0000Z/ Sequatchie-Bledsoe-Rhea-Meigs-McMinn-Marion-Hamilton-Bradley- WestPolk- Including the cities of Reliance, Monteagle, Lone Oak, Big Spring, Archville, Signal Mountain, Tasso, Conasauga, Clear Water, Lookout Mountain, Brayton, Evensville, Powells Crossroads, Parksville, Mount Crest, Dayton, Martin Springs, Old Washington, Haletown (Guild), Dunlap, South Pittsburg, Palio, Benton, Cagle, Grandview, Jasper, Chattanooga, Athens, Dentville, Pikeville, Whitwell, Spring City, Cleveland, Melvine, Cartwright, Etowah, and Old Cumberland 1211 PM EDT Fri Aug 14 2026 /1111 AM CDT Fri Aug 14 2026/ ...HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT /7 PM CDT/ SUNDAY... * WHAT...Heat index values exceeding 100 will be common in the afternoons, with some locations reaching or exceeding 105. * WHERE...Bledsoe, Bradley, Hamilton, Marion, McMinn, Meigs, Rhea, Sequatchie, and West Polk Counties. * WHEN...Until 8 PM EDT /7 PM CDT/ Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ Action: Continued Issued At: 2026-08-14 22:28:07 959 WWUS74 KMRX 150327 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 1127 PM EDT Fri Aug 14 2026 TNZ081>085-098>101-151400- /O.CON.KMRX.HT.Y.0003.000000T0000Z-260817T0000Z/ Sequatchie-Bledsoe-Rhea-Meigs-McMinn-Marion-Hamilton-Bradley- WestPolk- Including the cities of Dayton, Grandview, Monteagle, Melvine, Old Washington, Evensville, Parksville, Signal Mountain, Lone Oak, Dentville, Benton, Etowah, Big Spring, Reliance, Martin Springs, Clear Water, Archville, Haletown (Guild), South Pittsburg, Chattanooga, Cartwright, Pikeville, Brayton, Powells Crossroads, Lookout Mountain, Spring City, Palio, Mount Crest, Cleveland, Cagle, Dunlap, Jasper, Conasauga, Old Cumberland, Whitwell, Tasso, and Athens 1127 PM EDT Fri Aug 14 2026 /1027 PM CDT Fri Aug 14 2026/ ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT /7 PM CDT/ SUNDAY... * WHAT...Heat index values up to 106. * WHERE...Bledsoe, Bradley, Hamilton, Marion, McMinn, Meigs, Rhea, Sequatchie, and West Polk Counties. * WHEN...Until 8 PM EDT /7 PM CDT/ Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ 52 Action: Continued Issued At: 2026-08-15 07:27:11 690 WWUS74 KMRX 151227 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 827 AM EDT Sat Aug 15 2026 TNZ035-036-067>069-071-073-086-160700- /O.EXA.KMRX.HT.Y.0003.000000T0000Z-260817T0000Z/ Morgan-Anderson-Roane-Loudon-Knox-Northwest Blount-North Sevier- Northwest Monroe- Including the cities of Rockwood, Kodak, Sweetwater, Pine Orchard, McMahan, Bradbury, Harriman, Knoxville, Petros, Oak Ridge, High Point, Bullet Creek, Lenoir City, Happy Valley, Sevierville, Maryville, Madisonville, Alcoa, Seymour, Fairview, Harrisburg, Clinton, Bearden, Eagle Furnace, Kingston, Pigeon Forge, Oliver Springs, Loudon, and Lake Forest 827 AM EDT Sat Aug 15 2026 ...HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT SUNDAY... * WHAT...Heat index values exceeding 100 will be common in the afternoons, with some locations reaching or exceeding 105. * WHERE...Anderson, Knox, Loudon, Morgan, North Sevier, Northwest Blount, Northwest Monroe, and Roane Counties. * WHEN...Until 8 PM EDT Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ TNZ081>085-098>101-160700- /O.CON.KMRX.HT.Y.0003.000000T0000Z-260817T0000Z/ Sequatchie-Bledsoe-Rhea-Meigs-McMinn-Marion-Hamilton-Bradley- WestPolk- Including the cities of Cagle, Grandview, Evensville, Palio, Dunlap, Archville, Lookout Mountain, South Pittsburg, Benton, Cleveland, Parksville, Mount Crest, Spring City, Clear Water, Tasso, Lone Oak, Pikeville, Cartwright, Dentville, Signal Mountain, Brayton, Powells Crossroads, Reliance, Athens, Conasauga, Jasper, Melvine, Haletown (Guild), Monteagle, Old Washington, Old Cumberland, Chattanooga, Etowah, Dayton, Martin Springs, Whitwell, and Big Spring 827 AM EDT Sat Aug 15 2026 /727 AM CDT Sat Aug 15 2026/ ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT /7 PM CDT/ SUNDAY... * WHAT...Heat index values exceeding 105 will be common in the afternoon. * WHERE...Bledsoe, Bradley, Hamilton, Marion, McMinn, Meigs, Rhea, Sequatchie, and West Polk Counties. * WHEN...Until 8 PM EDT /7 PM CDT/ Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ DGS Action: Area Extended Issued At: 2026-08-15 07:27:11 690 WWUS74 KMRX 151227 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 827 AM EDT Sat Aug 15 2026 TNZ035-036-067>069-071-073-086-160700- /O.EXA.KMRX.HT.Y.0003.000000T0000Z-260817T0000Z/ Morgan-Anderson-Roane-Loudon-Knox-Northwest Blount-North Sevier- Northwest Monroe- Including the cities of Rockwood, Kodak, Sweetwater, Pine Orchard, McMahan, Bradbury, Harriman, Knoxville, Petros, Oak Ridge, High Point, Bullet Creek, Lenoir City, Happy Valley, Sevierville, Maryville, Madisonville, Alcoa, Seymour, Fairview, Harrisburg, Clinton, Bearden, Eagle Furnace, Kingston, Pigeon Forge, Oliver Springs, Loudon, and Lake Forest 827 AM EDT Sat Aug 15 2026 ...HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT SUNDAY... * WHAT...Heat index values exceeding 100 will be common in the afternoons, with some locations reaching or exceeding 105. * WHERE...Anderson, Knox, Loudon, Morgan, North Sevier, Northwest Blount, Northwest Monroe, and Roane Counties. * WHEN...Until 8 PM EDT Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ TNZ081>085-098>101-160700- /O.CON.KMRX.HT.Y.0003.000000T0000Z-260817T0000Z/ Sequatchie-Bledsoe-Rhea-Meigs-McMinn-Marion-Hamilton-Bradley- WestPolk- Including the cities of Cagle, Grandview, Evensville, Palio, Dunlap, Archville, Lookout Mountain, South Pittsburg, Benton, Cleveland, Parksville, Mount Crest, Spring City, Clear Water, Tasso, Lone Oak, Pikeville, Cartwright, Dentville, Signal Mountain, Brayton, Powells Crossroads, Reliance, Athens, Conasauga, Jasper, Melvine, Haletown (Guild), Monteagle, Old Washington, Old Cumberland, Chattanooga, Etowah, Dayton, Martin Springs, Whitwell, and Big Spring 827 AM EDT Sat Aug 15 2026 /727 AM CDT Sat Aug 15 2026/ ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT /7 PM CDT/ SUNDAY... * WHAT...Heat index values exceeding 105 will be common in the afternoon. * WHERE...Bledsoe, Bradley, Hamilton, Marion, McMinn, Meigs, Rhea, Sequatchie, and West Polk Counties. * WHEN...Until 8 PM EDT /7 PM CDT/ Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ DGS Action: Time Extended Issued At: 2026-08-15 22:32:09 058 WWUS74 KMRX 160331 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 1131 PM EDT Sat Aug 15 2026 TNZ035-036-067>069-071-073-081>086-098>101-161545- /O.EXT.KMRX.HT.Y.0003.000000T0000Z-260818T0000Z/ Morgan-Anderson-Roane-Loudon-Knox-Northwest Blount-North Sevier- Sequatchie-Bledsoe-Rhea-Meigs-McMinn-Northwest Monroe-Marion- Hamilton-Bradley-West Polk- Including the cities of Harrisburg, Sevierville, Harriman, Old Cumberland, Chattanooga, Pikeville, Big Spring, Alcoa, Maryville, Lenoir City, Haletown (Guild), Jasper, Rockwood, Seymour, Kodak, Cagle, Melvine, Grandview, Happy Valley, Whitwell, Clinton, Bradbury, Petros, Fairview, Benton, Tasso, Reliance, Archville, Knoxville, Lake Forest, Powells Crossroads, South Pittsburg, Pigeon Forge, Spring City, Conasauga, Brayton, Signal Mountain, Evensville, Lookout Mountain, Palio, Loudon, Lone Oak, Old Washington, Dentville, Athens, Monteagle, Bullet Creek, Oak Ridge, Cartwright, Mount Crest, Etowah, Madisonville, High Point, Eagle Furnace, Kingston, Cleveland, Bearden, McMahan, Parksville, Clear Water, Dayton, Martin Springs, Oliver Springs, Sweetwater, Pine Orchard, and Dunlap 1131 PM EDT Sat Aug 15 2026 /1031 PM CDT Sat Aug 15 2026/ ...HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT /7 PM CDT/ MONDAY... * WHAT...Heat index values exceeding 105 will be common in the afternoon. * WHERE...A portion of east Tennessee. * WHEN...Until 8 PM EDT /7 PM CDT/ Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ 19 Action: Continued Issued At: 2026-08-16 05:54:06 159 WWUS74 KMRX 161053 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 653 AM EDT Sun Aug 16 2026 TNZ035-036-067>069-071-073-081>086-098>101-161900- /O.CON.KMRX.HT.Y.0003.000000T0000Z-260818T0000Z/ Morgan-Anderson-Roane-Loudon-Knox-Northwest Blount-North Sevier- Sequatchie-Bledsoe-Rhea-Meigs-McMinn-Northwest Monroe-Marion- Hamilton-Bradley-West Polk- Including the cities of Sevierville, Dentville, Grandview, Harrisburg, Kodak, Cleveland, Parksville, Dayton, Fairview, Oliver Springs, Old Cumberland, Rockwood, Clear Water, Evensville, Monteagle, Pigeon Forge, Big Spring, McMahan, Benton, Alcoa, Powells Crossroads, Clinton, Mount Crest, Lake Forest, Bearden, Etowah, Archville, Melvine, Petros, Lenoir City, Eagle Furnace, Happy Valley, Bradbury, Cartwright, Seymour, Jasper, Oak Ridge, Harriman, Cagle, Tasso, Spring City, Old Washington, Loudon, Sweetwater, Martin Springs, Athens, Signal Mountain, Whitwell, South Pittsburg, Maryville, Palio, High Point, Lone Oak, Chattanooga, Conasauga, Brayton, Reliance, Pine Orchard, Madisonville, Bullet Creek, Lookout Mountain, Haletown (Guild), Pikeville, Kingston, Knoxville, and Dunlap 653 AM EDT Sun Aug 16 2026 /553 AM CDT Sun Aug 16 2026/ ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT /7 PM CDT/ MONDAY... * WHAT...Heat index values near or exceeding 105 will be common in the afternoon. * WHERE...A portion of east Tennessee. * WHEN...Until 8 PM EDT /7 PM CDT/ Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||