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

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 >

Hazardous Weather Conditions

Current conditions at

Boulder City Municipal Airport (KBVU)

Lat: 35.9475°NLon: 114.8611°WElev: 2200.0ft.

Clear

86°F

30°C

Humidity 15%
Wind Speed ENE 4 MPH
Barometer 29.75 in (1007.45 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 04 Aug 03:55 AM PDT
Extended Forecast for

4 Miles SSE Lake Mead NV

Extreme Heat Warning August 4, 04:08am until August 8, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 4, 04:08am until August 8, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • Today

    High: 112 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 89. South southeast wind 8 to 15 mph, with gusts as high as 31 mph.

    Low: 89 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 110. South wind 13 to 16 mph, with gusts as high as 28 mph.

    High: 110 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 89. South wind 10 to 13 mph, with gusts as high as 24 mph.

    Low: 89 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 110. South wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 110 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 90.

    Low: 90 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 111.

    High: 111 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 91.

    Low: 91 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 112. South wind around 14 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 89. South southeast wind 8 to 15 mph, with gusts as high as 31 mph.
Wednesday
Sunny and hot, with a high near 110. South wind 13 to 16 mph, with gusts as high as 28 mph.
Wednesday Night
Clear, with a low around 89. South wind 10 to 13 mph, with gusts as high as 24 mph.
Thursday
Sunny and hot, with a high near 110. South wind 6 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 90.
Friday
Sunny and hot, with a high near 111.
Friday Night
Mostly clear, with a low around 91.
Saturday
Sunny and hot, with a high near 110.
Saturday Night
Mostly clear, with a low around 91.
Sunday
Sunny and hot, with a high near 108.
Sunday Night
Mostly clear, with a low around 89.
Monday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 105.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Lake Mead NV
 36.02°N 114.71°W (Elev. 1512 ft)
Last Update:
2:38 am MST Aug 4, 2026
Forecast Valid:
4am MST Aug 4, 2026-6pm MST Aug 10, 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