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 Valley, Clark County, Nevada, United States

Last updated: 8:31 AM CDT  ·  Refresh
30°C
Feels like 28°
Clear
▲ 41°  /  ▼ 28°
Wind
4 mph NNE
Humidity
29%
Dew Point
10°
Pressure
27.68 inHg
Visibility
10 mi
UV Index
1.6
Cloud Cover
0%
Sunrise
6:06 AM
Sunset
7:17 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Las Vegas Valley is currently clear at 30°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:06AM · 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
29°
7%
8 AM
31°
7%
9 AM
32°
7%
10 AM
33°
3%
11 AM
34°
3%
12 PM
36°
7%
1 PM
39°
7%
2 PM
39°
7%
3 PM
39°
8%
4 PM
39°
8%
5 PM
41°
8%
6 PM
40°
8%
7 PM
39°
8%
8 PM
37°
8%
9 PM
36°
8%
10 PM
36°
3%
11 PM
34°
3%
12 AM
34°
3%
1 AM
33°
3%
2 AM
32°
3%
3 AM
32°
3%
4 AM
32°
3%
5 AM
30°
3%
7-Day Forecast
Today
41° 28°
Mostly Clear.
Wed
42° 29°
Clear.
Thu
42° 29°
Partly Cloudy.
Fri
40° 27°
Partly Cloudy.
Sat
41° 28°
Mostly Clear.
Sun
38° 28°
Clear.
Mon
39° 26°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 30° Clear 3% 4 mph NNE 29%
7 AM 29° Clear 7% 4 mph NE 28%
8 AM 31° Clear 7% 4 mph ENE 26%
9 AM 32° Clear 7% 4 mph E 24%
10 AM 33° Clear 3% 3 mph E 22%
11 AM 34° Mostly Clear 3% 3 mph ESE 20%
12 PM 36° Mostly Clear 7% 4 mph ESE 18%
1 PM 39° Mostly Clear 7% 4 mph SE 16%
2 PM 39° Mostly Clear 7% 4 mph SE 15%
3 PM 39° Partly Cloudy 8% 5 mph SE 15%
4 PM 39° Partly Cloudy 8% 5 mph SE 14%
5 PM 41° Mostly Clear 8% 6 mph SE 15%
6 PM 40° Mostly Clear 8% 5 mph ESE 16%
7 PM 39° Mostly Clear 8% 4 mph ESE 16%
8 PM 37° Partly Cloudy 8% 3 mph E 17%
9 PM 36° Mostly Clear 8% 3 mph WNW 18%
10 PM 36° Clear 3% 3 mph WNW 19%
11 PM 34° Clear 3% 4 mph WNW 20%
12 AM 34° Clear 3% 4 mph NW 21%
1 AM 33° Clear 3% 4 mph NW 21%
2 AM 32° Clear 3% 4 mph NW 22%
3 AM 32° Clear 3% 4 mph NW 22%
4 AM 32° Clear 3% 4 mph WNW 23%
5 AM 30° Clear 3% 4 mph WNW 23%
15-Day Forecast
Today
8/25
Mostly Clear
8%
28°
41°
Wed
8/26
Clear
3%
29°
42°
Thu
8/27
Partly Cloudy
14%
29°
42°
Fri
8/28
Partly Cloudy
17%
27°
40°
Sat
8/29
Mostly Clear
8%
28°
41°
Sun
8/30
Clear
17%
28°
38°
Mon
8/31
Clear
8%
26°
39°
Tue
9/1
Clear
18%
25°
38°
Wed
9/2
Clear
19%
25°
38°
Thu
9/3
Clear
12%
26°
39°
Fri
9/4
Clear
25%
26°
37°
Sat
9/5
Drizzle
60%
25°
36°
Sun
9/6
Drizzle
60%
25°
34°
Mon
9/7
Drizzle
60%
25°
35°
Tue
9/8
Clear
3%
25°
35°
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
36 AQI 6.6 µg/m³
O3
Ground-level ozone
Dominant
54 AQI 56 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 54 Moderate 54 36
Thu 50 Good 50 38
Fri 49 Good 49 37
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 LCL0°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
MLCAPE80 J/kg
MUCAPE168 J/kg
SBCIN—
MLCIN-432 J/kg
Lifted Index0.2
Kinematics
0–6 km Shear19 kt
0–1 km Shear2 kt
Eff. Shear12 kt
0–1 km SRH7
0–3 km SRH21
Eff. SRH20
Storm Motion292° @ 15 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index30.3
Thermo & Levels
PWAT1.11 in
0–3 km LR6.8 °C/km
700–500 LR8.3 °C/km
Total Totals52.8
LCL704 hPa
LFC—
EL—
Freezing Lvl13,409 ft