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

Hazardous Weather Conditions

Current conditions at

Austin City Austin Camp Mabry (KATT)

Lat: 30.32°NLon: 97.76°WElev: 656ft.

101°F

38°C

Humidity 27%
Wind Speed SE 3 mph
Barometer 29.96 in (1012.8 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 21 Aug 6:51 pm CDT
Extended Forecast for

Sunset Valley TX

Heat Advisory August 21, 07:16pm until August 23, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 21, 07:16pm until August 23, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • Tonight

    Low: 79 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 20 percent chance of showers after 4pm. Mostly sunny and hot, with a high near 104. Heat index values as high as 110. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 104 °F

    Sunny then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 10pm. Partly cloudy, with a low around 80. South southeast wind around 5 mph.

    Low: 80 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 105. Heat index values as high as 111. Southwest wind around 5 mph.

    High: 105 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 79. South southeast wind around 5 mph.

    Low: 79 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 104. South southwest wind around 5 mph.

    High: 104 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 78. South wind 5 to 10 mph.

    Low: 78 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 104. South southwest wind around 5 mph.

    High: 104 °F

    Hot

Detailed Forecast

Tonight
Increasing clouds, with a low around 79. South southwest wind around 5 mph.
Saturday
A 20 percent chance of showers after 4pm. Mostly sunny and hot, with a high near 104. Heat index values as high as 110. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
A 20 percent chance of showers before 10pm. Partly cloudy, with a low around 80. South southeast wind around 5 mph.
Sunday
Sunny and hot, with a high near 105. Heat index values as high as 111. Southwest wind around 5 mph.
Sunday Night
Mostly clear, with a low around 79. South southeast wind around 5 mph.
Monday
Sunny and hot, with a high near 104. South southwest wind around 5 mph.
Monday Night
Clear, with a low around 78. South wind 5 to 10 mph.
Tuesday
Sunny and hot, with a high near 104. South southwest wind around 5 mph.
Tuesday Night
Clear, with a low around 78. South wind 5 to 10 mph.
Wednesday
Sunny and hot, with a high near 104.
Wednesday Night
Mostly clear, with a low around 78.
Thursday
Mostly sunny and hot, with a high near 103.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 78.
Friday
Sunny and hot, with a high near 102.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sunset Valley TX
 30.22°N 97.82°W (Elev. 699 ft)
Last Update:
6:42 pm CDT Aug 21, 2026
Forecast Valid:
7pm CDT Aug 21, 2026-6pm CDT Aug 28, 2026
 
Forecast Discussion
 
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Additional Resources

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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