Heat Persists in the Southwest; Elevated to Critical Fire Weather in the Great Basin; Poor Air Quality in the West

Dangerous heat will persist across the Southwest U.S. through this week, easing by next week. The heat will focus further east in the Great Plains and Mississippi Valley beginning next week. Elevated to locally critical fire weather conditions will persist for the Great Basin today. Poor air quality lingers for the Northwest, Great Basin, Central Rockies into the Plains. Read More >

Current conditions at

MOUNTAIN SPRINGS (MTSN2)

Lat: 36.02225°NLon: 115.5075°WElev: 5600.0ft.

NA

75°F

24°C

Humidity 20%
Wind Speed NNW 5 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 04 Aug 05:59 AM PDT
Extended Forecast for

31 Miles SW Las Vegas-Henderson Airport NV

Extreme Heat Warning August 4, 06:44am until August 8, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 4, 06:44am until August 8, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • Today

    High: 99 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 79. Southwest wind 5 to 7 mph.

    Low: 79 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 99. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 99 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 79. West southwest wind 5 to 7 mph becoming calm  after midnight.

    Low: 79 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 99. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 99 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 80.

    Low: 80 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 99.

    High: 99 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 81.

    Low: 81 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 99. West southwest wind 3 to 8 mph.
Tonight
Clear, with a low around 79. Southwest wind 5 to 7 mph.
Wednesday
Sunny, with a high near 99. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Wednesday Night
Clear, with a low around 79. West southwest wind 5 to 7 mph becoming calm after midnight.
Thursday
Sunny, with a high near 99. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 80.
Friday
Sunny, with a high near 99.
Friday Night
Mostly clear, with a low around 81.
Saturday
Sunny, with a high near 101.
Saturday Night
Mostly clear, with a low around 81.
Sunday
Sunny, with a high near 99.
Sunday Night
Partly cloudy, with a low around 79.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 96.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
31 Miles SW Las Vegas-Henderson Airport NV
 35.63°N 115.48°W (Elev. 4551 ft)
2:38 am PDT Aug 4, 2026
6am PDT Aug 4, 2026-6pm PDT Aug 10, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database