Nevada heat
Every recorded heat record since 1996 · 12 counties with a record
NOAA's Storm Events Database records 455 heat records in Nevada from 1996 through June 30, 2026, about 20 a year since 2000. The deadliest was the July 3, 2024 excessive heat in Clark County: 42 deaths. Nevada ranks 27th of 51 states and territories by count and 39th of 50 per square mile.
Heat in Nevada, 1996 to 2026
Heat records per year (NOAA Storm Events); 2026 to June 30, 2026.
- recorded, no damage figure
- under $1 million
- $1 million or more
- $10 million or more
- $100 million or more, or 10 deaths
- $1 billion or more, or 100 deaths
- a year's colour: its recorded damage or deaths
- a year with a death
- Records
- 4551996 to June 30, 2026
- A year since 2000
- 20average
- Deaths
- 890594 injuries
- Damage, 2025 dollars
- $32Kas filed
- Busiest year
- 202552 records
Source: NOAA NCEI Storm Events Database, records through June 30, 2026; deaths and damage as filed, damage in 2025 dollars. Search the record at NCEI.
Are heat records common in Nevada?
Nevada averages about 20 heat records a year since 2000, 27th of 51 states and territories by count. The busiest year on record was 2025 (52). Per 10,000 square miles of land, Nevada records 41 heat records since 1996, 39th of 50 states and territories by that measure.
Source: NOAA NCEI Storm Events Database, records since 1996, per 10,000 square miles of land area (Census Bureau 2024 Gazetteer; places under 1,000 square miles not ranked). Damage colours: Storm Events damage, 2025 dollars.
Which counties in Nevada have the most heat records?
Per square mile, Clark County leads Nevada: 268 days with a heat record since 1996, 34.0 per 1,000 square miles of land. By raw count, Clark County has the most heat records (423 since 1996); large counties collect more records simply by covering more ground, so the ranking counts days with a record per unit of area (a storm filed for several forecast zones adds several records but one day).
Source: NOAA NCEI Storm Events Database, days with a record in the county since 1996 per 1,000 square miles of land (Census Bureau 2024 Gazetteer); in brackets, the count of records.
When is the heat season in Nevada?
59% of its heat records since 1996 fell in July and August. The busiest month is July (149 records).
The values, month by month
Jan 0 · Feb 0 · Mar 0 · Apr 3 · May 19 · Jun 95 · Jul 149 · Aug 119 · Sep 65 · Oct 5 · Nov 0 · Dec 0 (records).
Source: NOAA NCEI Storm Events Database, records by the month they began, since 1996.
What were the deadliest heat records in Nevada?
| Date | Record | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2024-07-03 | Excessive HeatClark County · forecast zone Las Vegas Valley Excessive Heat Warning criteria were reached on 10 straight days. Forty-two people died in Las Vegas of heat-related causes during and immediately after the heat wave. | 42 | 0 | – | |
| 2013-07-01 | Excessive HeatClark County · forecast zone Las Vegas Valley One storm episode: 2 records; the totals are the episode's. A large area of high pressure brought record-breaking temperatures to much of the Desert Southwest. Several people died from the heat, many more were injured, and some infrastructure was damaged. | 38 | 213 | – | |
| 2024-07-20 | Excessive HeatClark County · forecast zone Las Vegas Valley Excessive Heat Warning criteria were reached on six straight days. Thirty-four people died in Las Vegas of heat-related causes during and immediately after the heat wave. | 34 | 0 | – | |
| 2016-07-22 | Excessive HeatClark County · forecast zone Las Vegas Valley One storm episode: 2 records; the totals are the episode's. Temperatures in Las Vegas reached Excessive Heat Warning levels on seven of eight days. There were 15 direct and 13 indirect heat related fatalities from the 23rd through the 31st. | 28 | 0 | – | |
| 2017-07-06 | Excessive HeatClark County · forecast zone Las Vegas Valley Excessive heat criteria were reached in Las Vegas from the 6th through the 8th. From the 6th through the 10th, 20 people died of heat related causes. | 20 | 0 | – | |
| 2024-06-05 | Excessive HeatClark County · forecast zone Las Vegas Valley Excessive Heat Warning criteria were reached on four straight days. During and immediately after the excessive heat, 19 people died in Las Vegas of heat-related causes. | 19 | 0 | – | |
| 2018-08-01 | HeatClark County · forecast zone Las Vegas Valley Eighteen people died in Las Vegas of heat related causes. | 18 | 0 | – | |
| 2017-06-17 | Excessive HeatClark County · forecast zone Las Vegas Valley Eighteen people died of heat-related causes in the Las Vegas Valley. | 18 | 0 | – | |
| 2018-07-24 | Excessive HeatClark County · forecast zone Las Vegas Valley Excessive heat lasted for five days in Las Vegas. Seventeen people died in Las Vegas of heat related causes during and in the immediate aftermath of the excessive heat. | 17 | 0 | – | |
| 2016-06-19 | Excessive HeatClark County · forecast zone Las Vegas Valley Temperatures reached Excessive Heat Warning levels June 19th through the 21st, and then persisted just below those levels through the 29th. The heat caused or contributed to nine direct and eight indirect fatalities from the 20th through the 29th. | 17 | 0 | – |
Source: NOAA NCEI Storm Events Database: deaths direct and indirect, as filed by the National Weather Service, summed over each storm (one episode, or one named storm filed by several offices). Storm names from the titles of FEMA declarations that name the storm's counties.
The costliest heat records in Nevada
| Date | Record | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2013-06-28 | Excessive HeatClark County · forecast zone Las Vegas Valley One storm episode: 2 records; the totals are the episode's. | 3 | 358 | $32K |
Source: NOAA NCEI Storm Events Database: property and crop damage as estimated by the National Weather Service, in 2025 dollars.
Are heat records becoming more frequent in Nevada?
Nevada's count per decade against the whole country's, and its share. NOAA recorded every event type only from 1996, so earlier decades are not comparable; the share of the national total is the fairer comparison across decades.
| Decade | Nevada | United States | Nevada's share |
|---|---|---|---|
| 1996-99 | 0 | 4,355 | 0 |
| 2000s | 38 | 9,163 | 0.41% |
| 2010s | 152 | 16,445 | 0.92% |
| 2020-26 | 265 | 26,796 | 0.99% |
Source: NOAA NCEI Storm Events Database.
The most recent heat records in Nevada
| Date | Record | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2025-09-01 | HeatClark County · forecast zone Las Vegas Valley | 2 | 0 | – | |
| 2025-08-20 | Excessive HeatClark County · forecast zone Southern Clark | 0 | 0 | – | |
| 2025-08-20 | Excessive HeatClark County · forecast zone Lake Mead/Lake Mohave National Recreation Area | 0 | 0 | – | |
| 2025-08-20 | Excessive HeatClark County · forecast zone Las Vegas Valley | 0 | 0 | – | |
| 2025-08-20 | Excessive HeatClark County and Nye County · forecast zone Western Clark/Southern Nye | 0 | 0 | – | |
| 2025-08-20 | Excessive HeatClark County · forecast zone Northeast Clark | 0 | 0 | – | |
| 2025-08-20 | Excessive HeatLincoln County · forecast zone Lincoln County Except The Sheep Range | 0 | 0 | – | |
| 2025-08-12 | Excessive HeatClark County · forecast zone Southern Clark | 0 | 0 | – | |
| 2025-08-12 | Excessive HeatClark County · forecast zone Lake Mead/Lake Mohave National Recreation Area | 0 | 0 | – | |
| 2025-08-12 | Excessive HeatClark County · forecast zone Las Vegas Valley | 1 | 0 | – | |
| 2025-08-12 | Excessive HeatClark County · forecast zone Northeast Clark | 0 | 0 | – | |
| 2025-08-11 | Excessive HeatClark County and Nye County · forecast zone Western Clark/Southern Nye | 0 | 0 | – |
Source: NOAA NCEI Storm Events Database, records through June 30, 2026; the newest months are revised by NCEI as reports arrive. Search the record at NCEI.
Next
- Clark County: the county's whole recordThe Nevada county with the most heat records per square mile
- Heat across the United StatesEvery state ranked, by year and month
- Every natural hazard in NevadaTornadoes, floods, storms, heat and the federal declarations
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