Hourly Weather | Today Tuesday, August 25, 2026
Active Weather Warnings
Las Vegas, Nevada
5 PM
Cloudy Weather
108°
Feels Like 108°
0
Humidity: 12%
UV Index: 3
Wind: 8 mph
6 PM
Cloudy Weather
106°
Feels Like 106°
0
Humidity: 12%
UV Index: 2
Wind: 7 mph
7 PM
Cloudy Weather
104°
Feels Like 102°
0
Humidity: 13%
UV Index: 1
Wind: 7 mph
8 PM
Cloudy Night
100°
Feels Like 99°
0
Humidity: 15%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
100°
Feels Like 97°
0
Humidity: 16%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Night
99°
Feels Like 95°
0
Humidity: 17%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
97°
Feels Like 93°
0
Humidity: 18%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

5 PM
45 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.64 µg/m³
  • PM10: 16 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.07 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

6 PM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.89 µg/m³
  • PM10: 17.25 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.07 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 PM
42 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.19 µg/m³
  • PM10: 18.57 µg/m³
  • O3: 0.045 ppm
  • NO2: 1.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.07 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 PM
40 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.48 µg/m³
  • PM10: 19.83 µg/m³
  • O3: 0.043 ppm
  • NO2: 1.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.07 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM
38 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.69 µg/m³
  • PM10: 20.89 µg/m³
  • O3: 0.041 ppm
  • NO2: 1.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.07 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.92 µg/m³
  • PM10: 22.06 µg/m³
  • O3: 0.039 ppm
  • NO2: 1.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.07 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM
35 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.16 µg/m³
  • PM10: 23.11 µg/m³
  • O3: 0.038 ppm
  • NO2: 1.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Weather Alerts and Warnings for Las Vegas

Severe Expected Likely

Extreme Heat Warning

Extreme Heat Warning issued August 25 at 10:29AM PDT until August 28 at 8:00PM PDT by NWS Las Vegas NV
Aug 25, 10:29 AM Aug 28, 8:00 PM
WHAT: Dangerously hot conditions expected through the work week,
with temperatures up to 115 to 118 across Death Valley and the
Colorado River Valley; up to 108 to 112 across Moapa Valley, the
Las Vegas Valley, the Pahrump Valley, and the Morongo Valley; up to
90 to 95 in the Hualapai Mountains. Overnight lows will be in the
upper-80s to low-90s for desert valleys.

WHERE: Portions of northwest Arizona, southeast California, and
southern Nevada.

WHEN: Until 8 PM PDT / MST Friday.

IMPACTS: Heat-related illnesses increase significantly during
extreme heat events.
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Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose-fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates.
Updated: Aug 25, 2:59 PM Source: NWS Alert