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

92°F

33°C

Humidity 35%
Wind Speed S 3 mph
Barometer 30.03 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 21 Aug 8:35 pm CDT
Extended Forecast for

Cedar Park TX

Heat Advisory August 21, 08:52pm until August 23, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 21, 08:52pm 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 102. Heat index values as high as 107. Southwest wind around 5 mph becoming calm.

    High: 102 °F

    Sunny then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 10pm. Partly cloudy, with a low around 79. South southeast wind around 5 mph.

    Low: 79 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny and hot, with a high near 102. Heat index values as high as 108. South southeast wind around 5 mph.

    High: 102 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 78. South southeast wind around 5 mph.

    Low: 78 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 101. South southwest wind around 5 mph.

    High: 101 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 77. South wind 5 to 10 mph.

    Low: 77 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 102. South southwest wind 5 to 10 mph.

    High: 102 °F

    Hot

Detailed Forecast

Tonight
Increasing clouds, with a low around 79. South southeast wind around 5 mph becoming southwest after midnight.
Saturday
A 20 percent chance of showers after 4pm. Mostly sunny and hot, with a high near 102. Heat index values as high as 107. Southwest wind around 5 mph becoming calm.
Saturday Night
A 20 percent chance of showers before 10pm. Partly cloudy, with a low around 79. South southeast wind around 5 mph.
Sunday
Sunny and hot, with a high near 102. Heat index values as high as 108. South southeast wind around 5 mph.
Sunday Night
Mostly clear, with a low around 78. South southeast wind around 5 mph.
Monday
Sunny and hot, with a high near 101. South southwest wind around 5 mph.
Monday Night
Clear, with a low around 77. South wind 5 to 10 mph.
Tuesday
Sunny and hot, with a high near 102. South southwest wind 5 to 10 mph.
Tuesday Night
Clear, with a low around 78. South wind 5 to 10 mph.
Wednesday
Sunny and hot, with a high near 101.
Wednesday Night
Mostly clear, with a low around 78.
Thursday
Sunny and hot, with a high near 100.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 77.
Friday
Sunny and hot, with a high near 99.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cedar Park TX
 30.5°N 97.82°W (Elev. 902 ft)
Last Update:
6:42 pm CDT Aug 21, 2026
Forecast Valid:
8pm CDT Aug 21, 2026-6pm CDT Aug 28, 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