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

Henderson (CMP10)

Lat: 36.0075°NLon: 114.96556°WElev: 2190.0ft.

NA

109°F

43°C

Humidity 12%
Wind Speed S 2 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Heat Index105°F (41°C)
Last update 22 Aug 12:40 PM PDT
Extended Forecast for

8 Miles WNW Boulder City NV

Extreme Heat Warning August 22, 01:02pm until August 23, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 22, 01:02pm until August 23, 08:00pm

    NOW until 8:00pm Sun

    Extreme Heat Warning

  • This Afternoon

    High: 109 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 90. Southwest wind 5 to 10 mph becoming light south southwest in the evening.

    Low: 90 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 110. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 110 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 89. West southwest wind 5 to 10 mph becoming light southwest in the evening. Winds could gust as high as 18 mph.

    Low: 89 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 107. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 22 mph.

    High: 107 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 86.

    Low: 86 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 108.

    High: 108 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 88.

    Low: 88 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 109. South southeast wind 6 to 9 mph, with gusts as high as 18 mph.
Tonight
Mostly clear, with a low around 90. Southwest wind 5 to 10 mph becoming light south southwest in the evening.
Sunday
Sunny and hot, with a high near 110. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 89. West southwest wind 5 to 10 mph becoming light southwest in the evening. Winds could gust as high as 18 mph.
Monday
Sunny and hot, with a high near 107. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 22 mph.
Monday Night
Mostly clear, with a low around 86.
Tuesday
Sunny and hot, with a high near 108.
Tuesday Night
Mostly clear, with a low around 88.
Wednesday
Sunny and hot, with a high near 110.
Wednesday Night
Mostly clear, with a low around 89.
Thursday
Sunny and hot, with a high near 110.
Thursday Night
Partly cloudy, with a low around 89.
Friday
Sunny and hot, with a high near 110.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WNW Boulder City NV
 36.03°N 114.96°W (Elev. 1916 ft)
Last Update:
11:33 am PDT Aug 22, 2026
Forecast Valid:
1pm PDT Aug 22, 2026-6pm PDT Aug 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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