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

Areas of Severe Thunderstorms and Heavy Rain Possible through the Weekend

There will be daily chances for scattered thunderstorms across portions of the Central and Eastern U.S. through the weekend, with severe thunderstorms possible in the northern Plains and Upper Midwest. Potential severe storm hazards may include large hail, damaging winds, and a few tornadoes. Storms could also produce heavy rain that may lead to isolated instances of flash flooding. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Mostly Cloudy

76°F

24°C

Humidity 91%
Wind Speed SE 6 mph
Barometer 30.02 in (1014.6 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 29 Jun 3:51 am CDT
Extended Forecast for

Castle Hills TX

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 102. Light south southeast wind becoming southeast 5 to 10 mph in the morning.

    High: 93 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 74. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 92 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of thunderstorms before 7pm. Partly cloudy, with a low around 74. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 92. Light south southeast wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 20%.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of thunderstorms before 7pm. Mostly cloudy, with a low around 75. South southeast wind 5 to 10 mph. Chance of precipitation is 10%.

    Low: 75 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 92. Light south southeast wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 20%.

    High: 92 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 75. South southeast wind 5 to 10 mph.

    Low: 75 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 90. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 102. Light south southeast wind becoming southeast 5 to 10 mph in the morning.
Tonight
Partly cloudy, with a low around 74. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Monday Night
A chance of thunderstorms before 7pm. Partly cloudy, with a low around 74. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Tuesday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 92. Light south southeast wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 20%.
Tuesday Night
A slight chance of thunderstorms before 7pm. Mostly cloudy, with a low around 75. South southeast wind 5 to 10 mph. Chance of precipitation is 10%.
Wednesday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 92. Light south southeast wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 75. South southeast wind 5 to 10 mph.
Thursday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 90. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 76.
Independence Day
Partly sunny, with a high near 94.
Friday Night
Partly cloudy, with a low around 75.
Saturday
Mostly sunny, with a high near 97.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Castle Hills TX
 29.5°N 98.53°W (Elev. 810 ft)
Last Update:
1:42 am CDT Jun 29, 2025
Forecast Valid:
4am CDT Jun 29, 2025-6pm CDT Jul 5, 2025
 
Forecast Discussion
 
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Additional Resources

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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