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

101°F

38°C

Humidity 24%
Wind Speed E 3 mph
Barometer 30.04 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 22 Aug 3:55 pm CDT
Extended Forecast for

Lago Vista TX

Heat Advisory August 22, 04:18pm until August 23, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 22, 04:18pm until August 23, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • Tonight

    Low: 79 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 103. Heat index values as high as 106. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 103 °F

    Hot

  • Sunday Night

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

    Low: 77 °F

    Mostly Clear

  • Monday

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

    High: 103 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 77. South wind around 5 mph.

    Low: 77 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 105. South southwest wind around 5 mph.

    High: 105 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 77. South wind around 5 mph.

    Low: 77 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 105. South southwest wind around 5 mph.

    High: 105 °F

    Hot

Detailed Forecast

Tonight
Mostly clear, with a low around 79. Southeast wind around 5 mph becoming southwest after midnight.
Sunday
Mostly sunny and hot, with a high near 103. Heat index values as high as 106. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 77. South southwest wind around 5 mph.
Monday
Sunny and hot, with a high near 103. Southwest wind 5 to 10 mph.
Monday Night
Clear, with a low around 77. South wind around 5 mph.
Tuesday
Sunny and hot, with a high near 105. South southwest wind around 5 mph.
Tuesday Night
Clear, with a low around 77. South wind around 5 mph.
Wednesday
Sunny and hot, with a high near 105. South southwest wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 79. South southeast wind around 5 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 104.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.
Friday
Mostly sunny and hot, with a high near 103.
Friday Night
Mostly clear, with a low around 78.
Saturday
Sunny and hot, with a high near 101.
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ABOUT THIS FORECAST

 
Point Forecast:
Lago Vista TX
 30.47°N 97.98°W (Elev. 892 ft)
Last Update:
2:44 pm CDT Aug 22, 2026
Forecast Valid:
4pm CDT Aug 22, 2026-6pm CDT 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