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

Las Vegas, North Las Vegas Airport (KVGT)

Lat: 36.21205°NLon: 115.19395°WElev: 2188.0ft.

Partly Cloudy

104°F

40°C

Humidity 20%
Wind Speed N 0 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 21 Aug 02:20 PM PDT
Extended Forecast for

Las Vegas NV

Extreme Heat Warning August 21, 02:35pm until August 23, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 21, 02:35pm 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 88. South southwest wind 5 to 8 mph becoming calm  after midnight.

    Low: 88 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 109. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 109 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 87. Southwest wind 5 to 9 mph becoming calm  after midnight.

    Low: 87 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 109. Light and variable wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 23 mph.

    High: 109 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 87.

    Low: 87 °F

    Mostly Clear

  • Monday

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

    High: 108 °F

    Hot

  • Monday Night

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

    Low: 86 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 109. South southeast wind around 8 mph.
Tonight
Mostly clear, with a low around 88. South southwest wind 5 to 8 mph becoming calm after midnight.
Saturday
Sunny and hot, with a high near 109. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
Mostly clear, with a low around 87. Southwest wind 5 to 9 mph becoming calm after midnight.
Sunday
Sunny and hot, with a high near 109. Light and variable wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 23 mph.
Sunday Night
Mostly clear, with a low around 87.
Monday
Sunny and hot, with a high near 108.
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 87.
Wednesday
Sunny and hot, with a high near 109.
Wednesday Night
Mostly clear, with a low around 86.
Thursday
Sunny and hot, with a high near 108.
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ABOUT THIS FORECAST

 
Point Forecast:
Las Vegas NV
 36.18°N 115.1°W (Elev. 1808 ft)
11:33 am PDT Aug 21, 2026
2pm PDT Aug 21, 2026-6pm PDT Aug 27, 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