Excessive Heat in Tennessee

Events

618

Deaths

20

Injuries

29

Damage

$100,000

• 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.
• 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.
• Excessive Heat in Tennessee, August 3 to 7, 20113 deaths · 21 eventsA strong upper ridge of high pressure moved over the Mid-South during the beginning of August. As a result...very hot temperatures with readings near 100 degrees combined with humid conditions to produce dangerous heat indices between 110 to 120 degrees.
• Excessive Heat in Tennessee, July 28 to 29, 20152 deaths · 10 eventsAn upper ridge of high pressure moved over the Mid-South during the late July time frame. The ridge brought above normal temperatures to the area.
• Excessive Heat in Tennessee, August 4, 201025 injured · $100,000 · 22 eventsAfternoon heat index readings ranged from 110 to 115 degrees over much of Middle Tennessee on August 4th.
• Excessive Heat and Hail in Tennessee, June 29, 20231 death · $71,000 · 2.75 in hail · 18 eventsA Mesoscale Convective System (MCS) developed over Illinois and Indiana early on June 29, 2023, and traveled southward into Middle Tennessee by late morning and early afternoon.
• 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.
• Excessive Heat in Tennessee, July 10 to 13, 20111 death · 20 eventsA strong upper ridge of high pressure moved over the Mid-South during the middle part of July. As a result, high temperatures ranged in the mid 90s to low 100s. Dewpoints ranged from the lower to upper 70s.
• Excessive Heat in Tennessee, August 5, 20161 death · 5 eventsHigh heat and humidity contributed to heat indices of 110 degrees or better across a large portion of the Midsouth from the late morning through the early evening hours of August 5th.
• Excessive Heat in Tennessee, August 15, 20071 death · 1 eventA carnival worker died at the site of the Wilson County Fair.
• Excessive Heat in Tennessee, August 1, 20071 death · 1 eventUnusually warm temperatures in the upper 90s caused one heat related fatality.
• Excessive Heat and Damaging Winds in Tennessee, July 1, 2023$596,000 · 61 kt wind · 59 eventsA line of thunderstorms tracked eastward across Middle Tennessee early in the afternoon of July 1, 2023. With an abundant amount of instability in place, these thunderstorms quickly became severe with damaging winds the primary threat.
• Excessive Heat and Damaging Winds in Tennessee, June 30, 2023$493,000 · 56 kt wind · 40 eventsThe first part of the day on June 30, 2023, was characterized by dangerous hot and humid conditions across most of Middle Tennessee as heat index values soared to 115 to 125 degrees. With these hot temperatures, an abundant amount of instability was in place across the area.
• Excessive Heat and Heat in Tennessee, August 16 to 19, 202584 eventsA strong, stationary heat dome brought oppressive heat to the Mid-South in mid to late August. The region was fed by warm, moist air from the Gulf, which elevated dewpoints and thus made heat-index values much higher than the actual air temperature alone.
• Excessive Heat and Heat in Tennessee, July 29 to 31, 202563 eventsOppressive heat continued to plague the Mid-South as an intense ridge retrograded across the Lower Mississippi Valley. Highs ranged from the upper 90s to the lower 100s. Dewpoints across the region soared into the upper 70s and low 80s.
• Excessive Heat and Heat in Tennessee, July 21 to 28, 202261 eventsUpper-level high pressure continued over the region. Hot and humid conditions prevailed for much of the month.
• Excessive Heat and Heat in Tennessee, July 4 to 9, 202256 eventsUpper-level high pressure strengthened over the region. Hot and humid conditions developed in early July and continued for much of the month.
• Excessive Heat and Heat in Tennessee, June 25 to 30, 202350 eventsThe strong upper ridge of high pressure that has dominated the weather across the southwest US pushed east into the Mid-South toward the end of June. High temperatures combined with high humidity produced heat index values over 105 degrees and in some cases over 110 degrees.
• Excessive Heat and Heat in Tennessee, July 23 to 25, 202549 eventsA strong ridge remained centered over the mid and lower Mississippi River Valley and continued to bring oppressive heat to the region. Daytime heat indices exceeded 105 degrees nearly areawide, with some areas exceeding 110 degrees.
• Excessive Heat and Heat in Tennessee, August 20 to 31, 202348 eventsThe strong upper ridge of high pressure that dominated the weather across the southwest US during the summer of 2023 bulged east into the Mid-South at times during the month of August.
• Excessive Heat and Heat in Tennessee, June 12 to 17, 202247 eventsA large upper ridge prevailed across the region from mid-June through the end of the month resulting in very hot and humid conditions across the Mid-South. The heat was most intense on June 12th and 13th.
• Excessive Heat and Heat in Tennessee, July 17 to 21, 202247 eventsUpper-level high pressure continued over the region. Hot and humid conditions prevailed for much of the month.
• Excessive Heat in Tennessee, July 3 to 4, 202442 eventsA strong upper ridge ridge covered the southern U.S. during early July. Meanwhile, moisture surged northward into the Mid-South ahead of an approaching cold front. Dewpoints climbed well into the 70s and afternoon heat index values topped 110 degrees across the Mid-South.
• Excessive Heat in Tennessee, July 30 to 31, 202442 eventsA strong upper-level high-pressure system covered the Lower Mississippi Valley at the end of July. Persistent moist southwest flow brought high dewpoints into the region.
• Excessive Heat and Heat in Tennessee, August 15 to 16, 202442 eventsAn intensifying ridge was centered just to the southwest of the region while strong moisture return resulted in dewpoints climbing into the mid-70s to around 80 degrees. High dewpoints combined with hot air temperatures resulted in dangerous heat indices as high as 114 degrees.

Excessive 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.