Clark County, Nevada, United States

Last updated: 5:02 AM CDT  ·  Refresh
23°C
Feels like 18°
Clear
▲ 32°  /  ▼ 21°
Wind
6 mph NNE
Humidity
14%
Dew Point
-7°
Pressure
26.90 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
4%
Sunrise
6:26 AM
Sunset
6:39 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Clark County is currently clear at 23°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:26AM · Sunset: 6:39PM.

Alerts

No active alerts for this location.
49 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
3%
4 AM
21°
3%
5 AM
19°
3%
6 AM
20°
3%
7 AM
21°
3%
8 AM
22°
3%
9 AM
23°
3%
10 AM
24°
3%
11 AM
26°
3%
12 PM
27°
3%
1 PM
29°
3%
2 PM
30°
3%
3 PM
30°
3%
4 PM
30°
3%
5 PM
32°
3%
6 PM
31°
3%
7 PM
29°
3%
8 PM
28°
3%
9 PM
28°
3%
10 PM
27°
3%
11 PM
26°
3%
12 AM
25°
3%
1 AM
25°
3%
2 AM
24°
3%
7-Day Forecast
Today
32° 21°
Mostly Cloudy.
Mon
32° 21°
Partly Cloudy.
Tue
32° 19°
Clear.
Wed
35° 21°
Clear.
Thu
36° 21°
Clear.
Fri
36° 21°
Clear.
Sat
32° 21°
Mostly Clear.
TimeTempConditionsPrecipWindHumidity
Now 23° Clear 3% 6 mph NNE 14%
4 AM 21° Clear 3% 9 mph NNE 13%
5 AM 19° Clear 3% 10 mph NNE 13%
6 AM 20° Mostly Clear 3% 10 mph NNE 13%
7 AM 21° Mostly Cloudy 3% 8 mph NNE 14%
8 AM 22° Overcast 3% 7 mph NNE 14%
9 AM 23° Mostly Cloudy 3% 7 mph NE 14%
10 AM 24° Mostly Cloudy 3% 8 mph ENE 13%
11 AM 26° Partly Cloudy 3% 8 mph ENE 13%
12 PM 27° Partly Cloudy 3% 7 mph E 12%
1 PM 29° Mostly Cloudy 3% 7 mph SE 10%
2 PM 30° Mostly Cloudy 3% 7 mph SE 9%
3 PM 30° Mostly Cloudy 3% 5 mph SSE 9%
4 PM 30° Partly Cloudy 3% 5 mph S 9%
5 PM 32° Partly Cloudy 3% 4 mph S 9%
6 PM 31° Partly Cloudy 3% 3 mph SE 9%
7 PM 29° Partly Cloudy 3% 3 mph E 10%
8 PM 28° Partly Cloudy 3% 4 mph ENE 11%
9 PM 28° Partly Cloudy 3% 4 mph ENE 11%
10 PM 27° Partly Cloudy 3% 3 mph ENE 12%
11 PM 26° Mostly Cloudy 3% 3 mph NE 13%
12 AM 25° Partly Cloudy 3% 3 mph NE 13%
1 AM 25° Partly Cloudy 3% 3 mph NE 14%
2 AM 24° Mostly Clear 3% 3 mph NNE 15%
15-Day Forecast
Today
9/20
Mostly Cloudy
3%
21°
32°
Mon
9/21
Partly Cloudy
8%
21°
32°
Tue
9/22
Clear
3%
19°
32°
Wed
9/23
Clear
3%
21°
35°
Thu
9/24
Clear
3%
21°
36°
Fri
9/25
Clear
7%
21°
36°
Sat
9/26
Mostly Clear
8%
21°
32°
Sun
9/27
Partly Cloudy
34%
21°
33°
Mon
9/28
Mostly Clear
40%
20°
31°
Tue
9/29
Clear
40%
19°
33°
Wed
9/30
Drizzle
60%
18°
33°
Thu
10/1
Clear
25%
19°
30°
Fri
10/2
Clear
25%
19°
30°
Sat
10/3
Clear
25%
19°
30°
Sun
10/4
Clear
25%
19°
29°
49
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
19 AQI 3.4 µg/m³
O3
Ground-level ozone
Dominant
49 AQI 54 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 49 Good 49 19
Mon 41 Good 41 16
Tue 33 Good 33 11
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 Sun Sep 20, 08:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE9 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index13.7
Kinematics
0–6 km Shear20 kt
0–1 km Shear6 kt
Eff. Shear—
0–1 km SRH5
0–3 km SRH21
Eff. SRH—
Storm Motion339° @ 17 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index0.2
Thermo & Levels
PWAT0.28 in
0–3 km LR6.2 °C/km
700–500 LR6.1 °C/km
Total Totals30.2
LCL585 hPa
LFC—
EL—
Freezing Lvl12,454 ft