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.

Fair

77°F

25°C

Humidity 87%
Wind Speed S 5 mph
Barometer 30.11 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 21 Aug 6:55 am CDT
Extended Forecast for

6 Miles NNW Lago Vista TX

Heat Advisory August 21, 07:18am until August 23, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 21, 07:18am until August 23, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • Today

    High: 103 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 77. Southeast wind around 5 mph.

    Low: 77 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 103. Heat index values as high as 106. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 103 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 10pm. Mostly clear, with a low around 78. South wind around 5 mph.

    Low: 78 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 103. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 103 °F

    Hot

  • Sunday Night

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

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 103. South southwest wind 5 to 10 mph.

    High: 103 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 103. Heat index values as high as 108. Calm wind becoming southeast around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 77. Southeast wind around 5 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 103. Heat index values as high as 106. Calm wind becoming south southeast around 5 mph in the afternoon.
Saturday Night
A 20 percent chance of showers and thunderstorms before 10pm. Mostly clear, with a low around 78. South wind around 5 mph.
Sunday
Sunny and hot, with a high near 103. Calm wind becoming south southeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 77. South southeast wind around 5 mph.
Monday
Sunny and hot, with a high near 103. South southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 75. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny and hot, with a high near 102. South southwest wind around 5 mph.
Tuesday Night
Clear, with a low around 75.
Wednesday
Sunny and hot, with a high near 103.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 101.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Lago Vista TX
 30.54°N 98.04°W (Elev. 935 ft)
Last Update:
6:46 am CDT Aug 21, 2026
Forecast Valid:
7am CDT Aug 21, 2026-6pm CDT Aug 27, 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