Excessive Heat in Oklahoma

Events

2,096

Deaths

14

Injuries

1,203

Damage

None recorded

• Excessive Heat in Oklahoma, August 6 to 12, 20072 deaths · 200 injured · 21 eventsA strong ridge of high pressure developed over the south central United States early in the month. Few clouds under this ridge resulted in abundant sunshine and hot temperatures. The humidity was also high as a result of the spring rains that continued well into the summer.
• Excessive Heat in Oklahoma, July 9 to 31, 20112 deaths · 175 injured · 25 eventsA strong ridge of high pressure in the middle and upper atmosphere redeveloped across the south central United States in mid July resulting in strong subsidence over the region.
• Excessive Heat in Oklahoma, August 1 to 10, 20114 deaths · 101 injured · 25 eventsA strong ridge of high pressure that dominated the weather across the south central United States for much of July, continued through the first couple weeks of August.
• Excessive Heat in Oklahoma, August 1 to 5, 20082 deaths · 46 injured · 2 eventsA prolonged period of excessive heat occurred across much of eastern Oklahoma during the early part of August.
• Excessive Heat in Oklahoma, June 15 to 17, 20162 deaths · 29 injured · 14 eventsA strong ridge of high pressure aloft was anchored over the south central United States during the middle of the month. This pattern resulted in temperatures in the mid 90s to near 100 across much of eastern Oklahoma.
• Excessive Heat in Oklahoma, July 12 to 23, 20101 death · 28 injured · 25 eventsA strong subtropical high pressure system developed and remained over the south central United States for a prolonged period during the middle of July. This resulted in an extended period of exceptionally hot weather.
• Excessive Heat in Oklahoma, August 19 to 26, 202345 injured · 25 eventsA ridge of high pressure in the middle and upper atmosphere redeveloped over the south central United States during late August.
• Excessive Heat in Oklahoma, July 24 to 31, 202145 injured · 16 eventsA ridge of high pressure in the middle and upper atmosphere developed over the south central United States during late July.
• Excessive Heat in Oklahoma, July 17 to 20, 201935 injured · 17 eventsAn upper level ridge of high pressure over the south central United States resulted in a period of unseasonably hot weather over eastern Oklahoma from the 17th through the 20th. Afternoon temperatures climbed into the upper 90s each day.
• Excessive Heat in Oklahoma, June 27 to 29, 201236 injured · 1 eventThe combination of high temperatures from 100 to 105 degrees and high humidity resulted in afternoon heat index values of 105 to 110 degrees in the Tulsa area for several days toward the end of June.
• Excessive Heat in Oklahoma, June 19 to 23, 201033 injured · 21 eventsTemperatures in the middle to upper 90s combined with high relative humidity resulted in a period of excessive heat across eastern Oklahoma. Afternoon heat indices reached 105 to 110 degrees and morning low temperatures only fell into the middle to upper 70s.
• Excessive Heat in Oklahoma, August 1 to 4, 202332 injured · 25 eventsA ridge of high pressure in the middle and upper atmosphere developed over the south central United States during early August.
• Excessive Heat in Oklahoma, August 1 to 6, 201034 injured · 5 eventsA strong subtropical high pressure system reestablished itself over the south central United States during the end of July and this pattern persisted through the first several days of August.
• Excessive Heat in Oklahoma, July 19 to 21, 202229 injured · 25 eventsA ridge of high pressure in the middle and upper atmosphere developed over the southern United States during mid July.
• Excessive Heat and Heat in Oklahoma, August 11 to 16, 2024202 eventsHot temperatures and high humidity combined to create dangerous heat indices (in excess of 105 to 110-degrees) across the western two-thirds of Oklahoma during the afternoon and evening of 11th to 16th.
• Excessive Heat in Oklahoma, July 11 to 15, 20091 death · 25 eventsA prolonged period of excessive heat occurred across eastern Oklahoma in mid July. Daytime maximum heat indices ranged from 105 to 115 degrees with overnight low temperatures only falling to around 80 for several consecutive days.
• Excessive Heat in Oklahoma, July 19 to 21, 201820 injured · 24 eventsAn upper level ridge of high pressure over the south central United States resulted in a period of unseasonably hot weather over the area in late July. Temperatures on the 19th and 20th climbed to 100 to 105 degrees across much of eastern Oklahoma.
• Excessive Heat in Oklahoma, July 24 to 28, 202220 injured · 24 eventsA ridge of high pressure in the middle and upper atmosphere restrengthened over the southern United States during late July.
• Excessive Heat in Oklahoma, July 28 to 31, 201220 injured · 21 eventsExtremely hot temperatures and high humidity combined to produce dangerously hot weather conditions across much of eastern Oklahoma.
• Excessive Heat in Oklahoma, July 6 to 8, 202219 injured · 23 eventsA ridge of high pressure in the middle and upper atmosphere developed over the south central United States during early July.
• Excessive Heat in Oklahoma, July 1, 201120 injured · 10 eventsA strong ridge of high pressure in the middle and upper atmosphere redeveloped across the south central United States in late June resulting in strong subsidence over the region. High temperatures climbed to 100 to 104 degrees under mostly clear skies.
• Excessive Heat in Oklahoma, June 26 to 27, 201318 injured · 23 eventsUnseasonably hot temperatures combined with very high humidity resulted in excessive heat across much of eastern Oklahoma. Temperatures climbed into the mid 90s to near 100 and heat index values ranged from 105 to 110 degrees.
• Excessive Heat and Heat in Oklahoma, August 15 to 19, 2025162 eventsHot temperatures and high humidity combined to yield heat indices in excess of 105 degrees across the western two-thirds of Oklahoma during the afternoon and evening of the 15th through 19th.
• Excessive Heat in Oklahoma, August 1 to 4, 201217 injured · 21 eventsThis period of excessively hot weather began in late July and continued into early August 2012. Extremely hot temperatures and high humidity combined to produce dangerously hot weather conditions across much of eastern Oklahoma.
• Excessive Heat in Oklahoma, August 8 to 16, 201017 injured · 20 eventsA strong subtropical high pressure system reestablished itself over the south central and southeastern United States during the August 8th through 15th timeframe.

Excessive Heat everywhereEvery kind of event in Oklahoma

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.