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

Hazardous Weather Conditions

Current conditions at

Lago Vista TX, Rusty Allen Airport (KRYW)

Lat: 30.5°NLon: 97.97°WElev: 1230ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Lago Vista TX

Heat Advisory August 20, 02:00pm until August 23, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny and hot, with a high near 102. Heat index values as high as 105. South wind around 5 mph.

    High: 102 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 76. South wind around 5 mph.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 103. Heat index values as high as 106. South southeast wind around 5 mph.

    High: 103 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 77. South wind around 5 mph.

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 104. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 104 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 77. South southeast wind around 5 mph becoming calm after midnight.

    Low: 77 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 105. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 105 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 78. Southeast wind around 5 mph becoming south southwest after midnight.

    Low: 78 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 105. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 105 °F

    Hot

Detailed Forecast

Today
Sunny and hot, with a high near 102. Heat index values as high as 105. South wind around 5 mph.
Tonight
Mostly clear, with a low around 76. South wind around 5 mph.
Thursday
Sunny and hot, with a high near 103. Heat index values as high as 106. South southeast wind around 5 mph.
Thursday Night
Mostly clear, with a low around 77. South wind around 5 mph.
Friday
Sunny and hot, with a high near 104. Calm wind becoming south southeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 77. South southeast wind around 5 mph becoming calm after midnight.
Saturday
Sunny and hot, with a high near 105. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 78. Southeast wind around 5 mph becoming south southwest after midnight.
Sunday
Sunny and hot, with a high near 105. Calm wind becoming south southeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 78.
Monday
Sunny and hot, with a high near 103.
Monday Night
Mostly clear, with a low around 77.
Tuesday
Sunny and hot, with a high near 103.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lago Vista TX
 30.47°N 97.98°W (Elev. 892 ft)
Last Update:
11:44 am CDT Aug 19, 2026
Forecast Valid:
11am CDT Aug 19, 2026-6pm CDT Aug 25, 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