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

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 >

Hazardous Weather Conditions

Current conditions at

Boulder City Municipal Airport (KBVU)

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

Clear

104°F

40°C

Humidity 15%
Wind Speed SSE 16 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 21 Aug 06:35 PM PDT
Extended Forecast for

13 Miles ESE Boulder City NV

Extreme Heat Warning August 21, 06:51pm until August 23, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 21, 06:51pm until August 23, 08:00pm

    NOW until 8:00pm Sun

    Extreme Heat Warning

  • Tonight

    Low: 91 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 113. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 113 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 91. South wind 5 to 7 mph becoming calm in the evening.

    Low: 91 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 113. Light and variable wind becoming south 8 to 13 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 113 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 91. South wind 5 to 8 mph becoming calm in the evening.

    Low: 91 °F

    Mostly Clear

  • Monday

    Monday: Isolated showers and thunderstorms after 11am. Sunny and hot, with a high near 110. Chance of precipitation is 10%.

    High: 110 °F

    Isolated
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 89.

    Low: 89 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 112.

    High: 112 °F

    Hot

Detailed Forecast

Tonight
Mostly clear, with a low around 91. South wind 5 to 8 mph becoming calm in the evening.
Saturday
Sunny and hot, with a high near 113. Calm wind becoming south 5 to 8 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 91. South wind 5 to 7 mph becoming calm in the evening.
Sunday
Sunny and hot, with a high near 113. Light and variable wind becoming south 8 to 13 mph in the afternoon. Winds could gust as high as 22 mph.
Sunday Night
Mostly clear, with a low around 91. South wind 5 to 8 mph becoming calm in the evening.
Monday
Isolated showers and thunderstorms after 11am. Sunny and hot, with a high near 110. Chance of precipitation is 10%.
Monday Night
A 20 percent chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 89.
Tuesday
Sunny and hot, with a high near 112.
Tuesday Night
Mostly clear, with a low around 91.
Wednesday
Sunny and hot, with a high near 114.
Wednesday Night
Mostly clear, with a low around 89.
Thursday
Sunny and hot, with a high near 113.
Thursday Night
Mostly clear, with a low around 89.
Friday
Mostly sunny and hot, with a high near 112.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles ESE Boulder City NV
 35.87°N 114.65°W (Elev. 902 ft)
Last Update:
11:33 am MST Aug 21, 2026
Forecast Valid:
6pm MST Aug 21, 2026-6pm MST Aug 28, 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