Extreme Heat Warning — Lake Havasu and Fort Mohave, AZ, Lake Mead - AZ side, AZ, Lake Mohave - AZ side, AZ, Hualapai Mountains, AZ, Northwest Deserts, AZ, Death Valley National Park, CA, Western Mojave Desert, CA, Eastern Mojave Desert, Including the Mojave National Preserve, CA, Morongo Basin, CA, Cadiz Basin, CA, San Bernardino County-Upper Colorado River Valley, CA, Northeast Clark County, NV, Western Clark and Southern Nye County, NV, Las Vegas Valley, NV, Southern Clark County, NV, Lake Mead - NV side, NV, Lake Mohave - NV side, NV 10:00 PM

Las Vegas, Nevada

Last updated: 8:31 AM CDT  ·  Refresh
30°C
Feels like 29°
Clear
▲ 42°  /  ▼ 28°
Wind
4 mph NNE
Humidity
29%
Dew Point
10°
Pressure
27.98 inHg
Visibility
10 mi
UV Index
1.6
Cloud Cover
0%
Sunrise
6:05 AM
Sunset
7:17 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Las Vegas is currently clear at 30°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:05AM · Sunset: 7:17PM.

Alerts

Extreme Heat Warning
Lake Havasu and Fort Mohave, AZ, Lake Mead - AZ side, AZ, Lake Mohave - AZ side, AZ, Hualapai Mountains, AZ, Northwest Deserts, AZ, Death Valley National Park, CA, Western Mojave Desert, CA, Eastern Mojave Desert, Including the Mojave National Preserve, CA, Morongo Basin, CA, Cadiz Basin, CA, San Bernardino County-Upper Colorado River Valley, CA, Northeast Clark County, NV, Western Clark and Southern Nye County, NV, Las Vegas Valley, NV, Southern Clark County, NV, Lake Mead - NV side, NV, Lake Mohave - NV side, NV
Expires 10:00 PM
54 AQI · Moderate Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
30°
3%
7 AM
30°
7%
8 AM
32°
7%
9 AM
32°
7%
10 AM
34°
3%
11 AM
36°
3%
12 PM
37°
7%
1 PM
39°
7%
2 PM
40°
7%
3 PM
40°
8%
4 PM
40°
8%
5 PM
42°
8%
6 PM
41°
8%
7 PM
39°
8%
8 PM
38°
10%
9 PM
37°
11%
10 PM
36°
5%
11 PM
35°
5%
12 AM
34°
5%
1 AM
33°
5%
2 AM
32°
3%
3 AM
32°
3%
4 AM
32°
3%
5 AM
31°
3%
7-Day Forecast
Today
42° 28°
Mostly Clear.
Wed
42° 29°
Clear.
Thu
43° 29°
Partly Cloudy.
Fri
41° 28°
Partly Cloudy.
Sat
42° 29°
Mostly Clear.
Sun
38° 28°
Clear.
Mon
39° 26°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 30° Clear 3% 4 mph NNE 29%
7 AM 30° Clear 7% 4 mph NE 27%
8 AM 32° Clear 7% 4 mph ENE 25%
9 AM 32° Clear 7% 4 mph E 24%
10 AM 34° Clear 3% 3 mph ESE 22%
11 AM 36° Mostly Clear 3% 3 mph SE 20%
12 PM 37° Mostly Clear 7% 3 mph SE 18%
1 PM 39° Mostly Clear 7% 4 mph SSE 16%
2 PM 40° Partly Cloudy 7% 4 mph SSE 15%
3 PM 40° Partly Cloudy 8% 5 mph SSE 14%
4 PM 40° Mostly Clear 8% 6 mph SSE 14%
5 PM 42° Mostly Clear 8% 6 mph SE 14%
6 PM 41° Mostly Clear 8% 5 mph ESE 16%
7 PM 39° Mostly Clear 8% 5 mph E 17%
8 PM 38° Partly Cloudy 10% 4 mph ENE 18%
9 PM 37° Mostly Clear 11% 4 mph N 18%
10 PM 36° Mostly Clear 5% 3 mph NNW 19%
11 PM 35° Clear 5% 3 mph NW 20%
12 AM 34° Clear 5% 3 mph NW 21%
1 AM 33° Clear 5% 3 mph NW 22%
2 AM 32° Clear 3% 3 mph NW 22%
3 AM 32° Clear 3% 3 mph NW 23%
4 AM 32° Clear 3% 3 mph NW 23%
5 AM 31° Clear 3% 3 mph NW 23%
15-Day Forecast
Today
8/25
Mostly Clear
11%
28°
42°
Wed
8/26
Clear
5%
29°
42°
Thu
8/27
Partly Cloudy
7%
29°
43°
Fri
8/28
Partly Cloudy
17%
28°
41°
Sat
8/29
Mostly Clear
8%
29°
42°
Sun
8/30
Clear
17%
28°
38°
Mon
8/31
Clear
8%
26°
39°
Tue
9/1
Clear
8%
26°
38°
Wed
9/2
Clear
19%
25°
38°
Thu
9/3
Clear
21%
26°
39°
Fri
9/4
Clear
25%
27°
37°
Sat
9/5
Drizzle
60%
26°
36°
Sun
9/6
Drizzle
60%
26°
35°
Mon
9/7
Drizzle
60%
26°
36°
Tue
9/8
Clear
3%
26°
36°
54
Moderate
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
35 AQI 6.3 µg/m³
O3
Ground-level ozone
Dominant
54 AQI 57 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 54 Moderate 54 35
Thu 50 Good 50 37
Fri 50 Good 50 38
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Tue Aug 25, 11:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE73 J/kg
MUCAPE176 J/kg
SBCIN0 J/kg
MLCIN-441 J/kg
Lifted Index0.6
Kinematics
0–6 km Shear18 kt
0–1 km Shear2 kt
Eff. Shear12 kt
0–1 km SRH6
0–3 km SRH18
Eff. SRH18
Storm Motion294° @ 15 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index30.5
Thermo & Levels
PWAT1.15 in
0–3 km LR6.7 °C/km
700–500 LR8.2 °C/km
Total Totals52.8
LCL708 hPa
LFC948 hPa
EL948 hPa
Freezing Lvl13,724 ft