Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Nellis Air Force Base (KLSV)

Lat: 36.23333°NLon: 115.03333°WElev: 1870.0ft.

Clear

91°F

33°C

Humidity 19%
Wind Speed SSW 3 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 22 Aug 04:55 AM PDT
Extended Forecast for

10 Miles NNE Lake Mead NV

Extreme Heat Warning August 22, 06:20am until August 23, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 22, 06:20am until August 23, 08:00pm

    NOW until 8:00pm Sun

    Extreme Heat Warning

  • Today

    High: 105 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 85. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 85 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny and hot, with a high near 105. Calm wind becoming south 5 to 9 mph in the morning.

    High: 105 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 84. Southwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 84 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 102. Light south southeast wind becoming south 5 to 9 mph in the morning.

    High: 102 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 83.

    Low: 83 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 102.

    High: 102 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 84.

    Low: 84 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 105. Calm wind becoming south 5 to 7 mph in the morning.
Tonight
Partly cloudy, with a low around 85. Southwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny and hot, with a high near 105. Calm wind becoming south 5 to 9 mph in the morning.
Sunday Night
Mostly clear, with a low around 84. Southwest wind 5 to 8 mph becoming calm in the evening.
Monday
Sunny, with a high near 102. Light south southeast wind becoming south 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 83.
Tuesday
Sunny, with a high near 102.
Tuesday Night
Mostly clear, with a low around 84.
Wednesday
Sunny and hot, with a high near 105.
Wednesday Night
Mostly clear, with a low around 84.
Thursday
Sunny and hot, with a high near 105.
Thursday Night
Partly cloudy, with a low around 84.
Friday
Mostly sunny and hot, with a high near 105.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNE Lake Mead NV
 36.22°N 114.72°W (Elev. 2146 ft)
12:27 am PDT Aug 22, 2026
6am PDT Aug 22, 2026-6pm PDT Aug 28, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database