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

Overton (CMP16)

Lat: 36.54583°NLon: 114.44556°WElev: 1260.0ft.

NA

94°F

34°C

Humidity 18%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Heat Index90°F (32°C)
Last update 22 Aug 11:20 PM PDT
Extended Forecast for

20 Miles ENE Lake Mead NV

Extreme Heat Warning August 22, 11:57pm until August 23, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 22, 11:57pm until August 23, 08:00pm

    NOW until 8:00pm Sun

    Extreme Heat Warning

  • Tonight

    Low: 85 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 99. Light and variable wind becoming south 5 to 9 mph in the afternoon.

    High: 99 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 85. South southwest wind 7 to 9 mph becoming southeast after midnight.

    Low: 85 °F

    Partly Cloudy

  • Monday

    Monday: Isolated showers and thunderstorms after 4pm. Mostly sunny, with a high near 97. South southwest wind 6 to 8 mph. Chance of precipitation is 10%.

    High: 97 °F

    Mostly Sunny
    then Isolated
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 82. South wind around 5 mph becoming light and variable in the evening.

    Low: 82 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 97.

    High: 97 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 84.

    Low: 84 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 99.

    High: 99 °F

    Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 85. South southeast wind around 5 mph.
Sunday
Sunny, with a high near 99. Light and variable wind becoming south 5 to 9 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 85. South southwest wind 7 to 9 mph becoming southeast after midnight.
Monday
Isolated showers and thunderstorms after 4pm. Mostly sunny, with a high near 97. South southwest wind 6 to 8 mph. Chance of precipitation is 10%.
Monday Night
Mostly clear, with a low around 82. South wind around 5 mph becoming light and variable in the evening.
Tuesday
Sunny, with a high near 97.
Tuesday Night
Mostly clear, with a low around 84.
Wednesday
Sunny, with a high near 99.
Wednesday Night
Mostly clear, with a low around 85.
Thursday
Sunny, with a high near 100.
Thursday Night
Mostly clear, with a low around 85.
Friday
Mostly sunny, with a high near 100.
Friday Night
Partly cloudy, with a low around 85.
Saturday
Sunny, with a high near 100.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
20 Miles ENE Lake Mead NV
 36.15°N 114.4°W (Elev. 1079 ft)
Last Update:
11:33 pm PDT Aug 22, 2026
Forecast Valid:
11pm PDT Aug 22, 2026-6pm PDT Aug 29, 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