Heat in Tennessee

Events

1,609

Deaths

62

Injuries

204

Damage

None recorded

• Heat in Tennessee, August 5 to 25, 200714 deaths · 188 injured · 20 eventsA severe heat wave brought high temperatures near or above the 100 degree mark during most of the month of August. The unusually warm temperatures combined with high dew points produced heat index values of 105 degrees or greater during the heat wave.
• Heat in Tennessee, June 17 to 28, 20099 deaths · 2 eventsA heat wave affected much of the MidSouth during the period between June 17th and June 28th as an upper ridge of high pressure built over the region. High temperatures soared into the mid to upper 90s with a few days topping out at or just above 100 degrees.
• Excessive Heat and Heat in Tennessee, August 1 to 5, 20107 deaths · 4 injured · 29 eventsAn upper level ridge of high pressure further intensified over the Mid-South continuing from the end of July into the beginning of August. The upper ridge of high pressure produced above normal temperatures over the area.
• Heat in Tennessee, June 18 to 25, 20106 deaths · 20 eventsA prolonged heat wave occurred during the middle to latter part of June across the Mid-South as a strong upper ridge of high pressure moved over the region. Temperatures rose into the mid to upper 90s during the afternoon hours.
• Excessive Heat and Heat in Tennessee, August 8 to 15, 20104 deaths · 40 eventsAn upper level ridge of high pressure further intensified over the Mid-South continuing into the middle of August. The upper ridge of high pressure produced above normal temperatures over the area.
• Heat in Tennessee, June 3 to 5, 20114 deaths · 2 eventsThe first heat wave of the summer season arrived in the Mid-South during the beginning part of June. High temperatures reached into the mid to upper 90s while heat index reached between 105 to 109 degrees. Warm temperatures continued into the middle of June.
• Heat in Tennessee, July 1 to 7, 20123 deaths · 1 eventAn upper ridge of high pressure moved over the Mid-South during late June into early July. Temperatures rose into the upper 90s to low 100s during the afternoon hours. The combination of heat and humidity produced heat indices between 105 and 110 degrees.
• Heat in Tennessee, July 25 to 26, 20122 deaths · 1 eventAn upper ridge of high pressure continued to dominate the weather pattern during the latter part of July. The combination of temperatures in the mid to upper 90s and high humidity produced heat indices between 105 and 110 degrees on July 25th-July 26th, 2012.
• Heat in Tennessee, August 2, 20122 deaths · 1 eventRecord high temperatures in the upper 90s and dewpoints in the low to mid 70s led to oppressive heat across Middle Tennessee on August 2. Two young children reportedly died of heat stroke after being left inside a vehicle for several hours in Rutherford County.
• Excessive Heat and Heat in Tennessee, August 19 to 22, 20101 death · 43 eventsAn upper level ridge of high pressure remained over the Mid-South during the middle to latter part of August. The upper ridge of high pressure produced above normal temperatures over the area.
• Heat in Tennessee, July 21, 20251 death · 21 eventsDangerous heat and humidity persisted across the Mid-South. Heat indices ranged between 105 and 110 across West Tennessee as an upper-level ridge continued to build, nudging temperatures and heat indices upwards daily.
• Heat in Tennessee, June 12 to 14, 20101 death · 20 eventsThe second warm spell of the season occurred across the Mid-South during the middle part of June. High temperatures reached into the mid 90s. The combination of temperatures in the mid 90s and high humidity produced heat indices around 105 degrees.
• Heat in Tennessee, July 29 to 31, 20101 death · 20 eventsAn upper level ridge of high pressure intensified over the Mid-South at the end of July producing high heat indices between 105-109 degrees. These conditions continued into the early part of August. One heat related death occurred as a result.
• Heat in Tennessee, July 24 to 26, 20101 death · 20 eventsA strong upper ridge of high pressure built over the Mid-South from July 24th through July 26th, 2010. Meanwhile, a surface boundary sagged further south into West Tennessee that allowed higher dewpoints to pool along the boundary.
• Heat and Hail in Tennessee, August 10, 20061 death · $19,000 · 50 kt wind · 6 eventsStraight line winds knocked down a tree on a mobile home crushing the roof in Gleason.
• Heat in Tennessee, July 19 to 22, 20101 death · 15 eventsA strong upper ridge of high pressure built over the Mid-South from July 19th through July 22nd, 2010. Meanwhile, a surface boundary sagged south into West Tennessee that allowed higher dewpoints to pool along the boundary.
• Heat in Tennessee, June 1 to 2, 20101 death · 1 injured · 1 eventThe first warm spell of the summer occurred in early June and brought temperatures into the lower 90s for highs. The combination of highs in the lower 90s and high humidity produced heat indices around 100 degrees. One heat related death occurred as a result.
• Heat and Damaging Wind in Tennessee, July 11, 20191 death · $2,000 · 2 eventsHot temperatures in the 90s along with high dewpoints in the 70s resulted in heat index values between 100 and 105 on the afternoon of July 11. A 3-year old boy left unattended in a hot car died from heat stroke in Rutherford County.
• Heat in Tennessee, June 27, 19981 death · 1 eventVictim was found by neighbors on the morning of the 27th. He had been deceased for a day or two, so the exact time and date of death is unknown. He lived in a low-income, high crime area and lived on a fixed income.
• Heat in Tennessee, June 28, 19981 death · 1 eventVictim was found by neighbors in the afternoon of the 28th. She had been deceased for a day or two, so the exact time and date of death is unknown. She lived in a low-income, high crime area and lived on a fixed income.
• Heat in Tennessee, July 13, 20041 death · 1 eventA woman who was without air conditioning for five days had a fatal heart attack believed to have been caused by excessive heat.
• Heat in Tennessee, August 1, 20061 death · 1 eventAn elderly man died after mowing his lawn during the hot afternoon hours. Heat stress was found to be a contributing factor in his death.
• Heat in Tennessee, August 13, 20101 death · 1 eventA young child died in LaVergne after being left in a hot car for more than three hours.
• Heat in Tennessee, August 7, 20121 death · 1 eventA 5 month old baby died of hyperthermia in Donelson after being left inside a vehicle for 7 to 8 hours on August 7. The high temperature reached 93 degrees at the nearby Nashville International Airport.
• Heat in Tennessee, August 2, 20161 death · 1 eventHigh heat and humidity combined to produced heat index values around 105 degrees in Memphis.

Heat everywhereEvery kind of event in Tennessee

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.