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

83°F

28°C

Humidity 63%
Wind Speed W 5 mph
Barometer 29.88 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 11 Sep 5:55 pm CDT
Extended Forecast for

Lakeway TX

Heat Advisory September 12, 12:00pm until September 12, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 75. South wind around 5 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 103. Heat index values as high as 109. South southeast wind around 5 mph.

    High: 103 °F

    Hot

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 76. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Sunny and hot, with a high near 101. Heat index values as high as 106. South wind 5 to 10 mph.

    High: 101 °F

    Hot

  • Sunday Night

    Sunday 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

  • Monday

    Monday: Sunny and hot, with a high near 100. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 100 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. South wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 100. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 100 °F

    Hot

  • Tuesday Night

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

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 75. South wind around 5 mph, with gusts as high as 20 mph.
Saturday
Sunny and hot, with a high near 103. Heat index values as high as 109. South southeast wind around 5 mph.
Saturday Night
Increasing clouds, with a low around 76. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny and hot, with a high near 101. Heat index values as high as 106. South wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 75. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny and hot, with a high near 100. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 75. South wind 5 to 10 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny and hot, with a high near 100. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 75. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny and hot, with a high near 100.
Wednesday Night
Partly cloudy, with a low around 76.
Thursday
Mostly sunny and hot, with a high near 99.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 75.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 97.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lakeway TX
 30.38°N 97.98°W (Elev. 689 ft)
Last Update:
5:46 pm CDT Sep 11, 2026
Forecast Valid:
6pm CDT Sep 11, 2026-6pm CDT Sep 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation