National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Hazardous Weather Conditions

Current conditions at

Nellis Air Force Base (KLSV)

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

Clear

106°F

41°C

Humidity 1%
Wind Speed N 0 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 31 Jul 11:55 AM PDT
Extended Forecast for

12 Miles NE Lake Mead NV

Extreme Heat Warning July 31, 12:53pm until August 2, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 31, 12:53pm until August 2, 08:00pm

    NOW until 8:00pm Sun

    Extreme Heat Warning

  • This Afternoon

    High: 107 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 84. Light and variable wind.

    Low: 84 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 108. Calm wind becoming southwest around 5 mph.

    High: 108 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 84. Calm wind becoming southwest 5 to 7 mph in the evening.

    Low: 84 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 109. South wind 5 to 11 mph, with gusts as high as 18 mph.

    High: 109 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 85.

    Low: 85 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 107.

    High: 107 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 83.

    Low: 83 °F

    Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 107. Light southwest wind.
Tonight
Mostly clear, with a low around 84. Light and variable wind.
Saturday
Sunny and hot, with a high near 108. Calm wind becoming southwest around 5 mph.
Saturday Night
Mostly clear, with a low around 84. Calm wind becoming southwest 5 to 7 mph in the evening.
Sunday
Sunny and hot, with a high near 109. South wind 5 to 11 mph, with gusts as high as 18 mph.
Sunday Night
Clear, with a low around 85.
Monday
Sunny and hot, with a high near 107.
Monday Night
Clear, with a low around 83.
Tuesday
Sunny and hot, with a high near 107.
Tuesday Night
Clear, with a low around 84.
Wednesday
Sunny and hot, with a high near 106.
Wednesday Night
Clear, with a low around 86.
Thursday
Sunny, with a high near 104.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NE Lake Mead NV
 36.21°N 114.63°W (Elev. 2802 ft)
Last Update:
12:11 pm PDT Jul 31, 2026
Forecast Valid:
12pm PDT Jul 31, 2026-6pm PDT Aug 6, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation