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

Widespread Rain from Texas to the Central Appalachians; Heavy to Excessive Rainfall in Southern California and the Southwest

Scattered thunderstorms and widespread showers are expected from the Texas coast to the central Appalachians today. Heavy to excessive rainfall will continue in southern California into the Desert Southwest through Saturday. Heavy rain will pose a risk of flash flooding, especially across burn scar and urbanized regions. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Overcast

75°F

24°C

Humidity 84%
Wind Speed W 7 mph
Barometer 29.97 in (1013.0 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 21 Nov 12:51 pm CST
Extended Forecast for

Castle Hills TX

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms before 3pm. Partly sunny, with a high near 80. West wind around 5 mph becoming north.

    High: 80 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 62. North northeast wind around 5 mph.

    Low: 62 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 9am. Mostly sunny, with a high near 77. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 77 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 61. East northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms before 9am, then a chance of showers between 9am and noon, then a chance of showers and thunderstorms after noon. Cloudy, with a high near 74. East southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers, with thunderstorms also possible after 3am. Cloudy, with a low around 68. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 77. South wind 5 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 80%.

    High: 77 °F

    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. Calm wind becoming north northwest around 5 mph.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. North northwest wind around 5 mph.

    High: 78 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms before 3pm. Partly sunny, with a high near 80. West wind around 5 mph becoming north.
Tonight
A 30 percent chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 62. North northeast wind around 5 mph.
Saturday
A 20 percent chance of showers before 9am. Mostly sunny, with a high near 77. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 61. East northeast wind around 10 mph, with gusts as high as 20 mph.
Sunday
A chance of showers and thunderstorms before 9am, then a chance of showers between 9am and noon, then a chance of showers and thunderstorms after noon. Cloudy, with a high near 74. East southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Sunday Night
A chance of showers, with thunderstorms also possible after 3am. Cloudy, with a low around 68. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Monday
Showers and possibly a thunderstorm. High near 77. South wind 5 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 80%.
Monday Night
Mostly clear, with a low around 54. Calm wind becoming north northwest around 5 mph.
Tuesday
Sunny, with a high near 78. North northwest wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 46.
Thanksgiving Day
Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Castle Hills TX
 29.53°N 98.53°W (Elev. 846 ft)
Last Update:
12:44 pm CST Nov 21, 2025
Forecast Valid:
1pm CST Nov 21, 2025-6pm CST Nov 27, 2025
 
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