Excessive Heat in Louisiana
Every excessive heat event the National Weather Service has filed in Louisiana, year by year, with the most significant episodes. Heat at or above the local excessive heat warning criteria, or heat that caused deaths.
The most significant on the map
The most significant excessive heat episodes in Louisiana.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The record
- Events
- 1,294
- Deaths
- 19
- Injuries
- 1
- Damage
- $90,000
Every year
The most significant
Ranked by deaths, injuries, damage and size together.
- Excessive Heat in Louisiana, August 16, 2010A large ridge of high pressure both at the surface and aloft allowed for excessively hot temperatures across northwest Louisiana through much of August.
- Excessive Heat in Louisiana, August 16, 2011Excessive heat claimed the life of a 75 year old woman and her disabled son. Investigators determined that the two likely perished because of the heat from earlier in the week. Police said that the air conditioning was not working in their home.
- Excessive Heat in Louisiana, August 1 to 2, 2010Hot and humid weather produced high temperatures near 100 degrees and heat index values near 110 degrees in portions of southeast Louisiana.
- Excessive Heat in Louisiana, June 24 to 30, 2023Increasingly warm and moist low-level southerly flow became enhanced along a retreating warm front as it advanced back north of the region on June 24th.
- Excessive Heat in Louisiana, June 17 to 20, 2023Very hot and moist low-level southerly winds became enhanced along and ahead of a stalled frontal boundary draped near to just north of the Interstate 20 corridor of East Texas and North Louisiana.
- Excessive Heat in Louisiana, July 13, 2023An upper level ridge of high pressure remained anchored over the Southern Plains on July 13th, although a portion of its influence extended farther east into the Lower Mississippi Valley.
- Excessive Heat in Louisiana, August 2, 2008A high pressure ridge at the surface and aloft was anchored across the southern plains into the Lower Mississippi Valley the last week of July into the first week of August.
- Excessive Heat in Louisiana, August 4, 2008A high pressure ridge at the surface and aloft was anchored across the southern plains into the Lower Mississippi Valley the last week of July into the first week of August.
- Excessive Heat in Louisiana, August 15, 2010A large ridge of high pressure both at the surface and aloft allowed for excessively hot temperatures across northwest Louisiana through much of August.
- Excessive Heat in Louisiana, August 14, 2010A large ridge of high pressure both at the surface and aloft allowed for excessively hot temperatures across northwest Louisiana through much of August.
- Excessive Heat in Louisiana, July 12, 2011Another day of triple digit temperatures with heat index values during the afternoon in excess of 105 degrees resulted in a heat related death in Bossier Parish.
- Excessive Heat in Louisiana, August 4, 2011Ambient temperatures around 108 degrees with heat index values around 115 degrees resulted in a heat related fatality in Bossier Parish. A 72 year old man was found in his house deceased.
- Excessive Heat in Louisiana, August 7, 2011Ambient temperatures around 105 degrees with heat index values around 110 degrees resulted in a heat related fatality in Bossier Parish. A woman in her 70s was found deceased in her home. It was determined that her death was heat related.
- Excessive Heat in Louisiana, August 2, 2011Ambient temperatures around 108 degrees with heat index values around 115 degrees resulted in a heat related fatality in Bossier Parish. A 59 year old man was outside mowing his lawn when he collapsed and later died from the heat.
- Excessive Heat in Louisiana, June 20, 2011Ambient temperatures over 100 degrees and heat index temperatures above 105 degrees resulted in the death of an elderly woman in her mobile home in Bossier Parish.
- Excessive Heat in Louisiana, August 3, 2011Excessive heat across Northwest Louisiana the afternoon of August 3rd resulted in a heat related death in Bossier Parish. Afternoon temperatures were near 109 degrees |Wednesday afternoon near Elm Grove where an elderly man was found dead in his home on Fariview Point Road.
- Excessive Heat in Louisiana, June 25, 2012A baby was left in a car.
- Excessive Heat in Louisiana, July 16, 2023A ridge sat over the southwestern portion of the CONUS in the middle of July. This ridge caused extreme record-breaking temperatures across much of the south, including southeast Louisiana and southern Mississippi.
- Excessive Heat in Louisiana, July 31, 2023An expansive and slow-moving ridge sat over the southern portion of the CONUS at the end of July. This ridge caused extreme record-breaking temperatures across much of the south, including southeast Louisiana and southern Mississippi.
- Excessive Heat in Louisiana, August 10, 2023An expansive ridge sat over the southern portion of the CONUS. This ridge caused extreme record-breaking temperatures across much of the south, including southeast Louisiana and southern Mississippi.
- Excessive Heat in Louisiana, August 11, 2023An expansive ridge sat over the southern portion of the CONUS. This ridge caused extreme record-breaking temperatures across much of the south, including southeast Louisiana and southern Mississippi.
- Excessive Heat in Louisiana, August 12, 2023An expansive ridge sat over the southern portion of the CONUS. This ridge caused extreme record-breaking temperatures across much of the south, including southeast Louisiana and southern Mississippi.
- Excessive Heat in Louisiana, August 13, 2023An expansive ridge sat over the southern portion of the CONUS. This ridge caused extreme record-breaking temperatures across much of the south, including southeast Louisiana and southern Mississippi.
- Excessive Heat in Louisiana, August 24, 2023An expansive ridge sat over the southern portion of the CONUS. This ridge caused extreme record-breaking temperatures across much of the south, including southeast Louisiana and southern Mississippi.
- Excessive Heat in Louisiana, August 27, 2023An expansive ridge sat over the southern portion of the CONUS. This ridge caused extreme record-breaking temperatures across much of the south, including southeast Louisiana and southern Mississippi.
More
Sources
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.