Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Mostly Cloudy

91°F

33°C

Humidity 57%
Wind Speed SE 8 mph
Barometer 29.88 in (1009.8 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 13 Jun 4:51 pm CDT
Extended Forecast for

Castle Hills TX

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 91. Heat index values as high as 103. South southeast wind around 5 mph.

    High: 91 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Increasing clouds, with a low around 75. South southeast wind 5 to 10 mph.

    Low: 75 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm.  Cloudy through mid morning, then gradual clearing, with a high near 93. Heat index values as high as 106. South wind 5 to 10 mph.

    High: 93 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday Night

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

    Low: 76 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 94. South wind around 5 mph.

    High: 94 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

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

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 93. South wind around 5 mph.

    High: 93 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. Southeast wind 5 to 10 mph.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 95. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 95 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Heat index values as high as 103. South southeast wind around 5 mph.
Tonight
Increasing clouds, with a low around 75. South southeast wind 5 to 10 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Cloudy through mid morning, then gradual clearing, with a high near 93. Heat index values as high as 106. South wind 5 to 10 mph.
Saturday Night
Increasing clouds, with a low around 76. South southeast wind 5 to 10 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. South wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 93. South wind around 5 mph.
Monday Night
Mostly clear, with a low around 75. Southeast wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 95. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Mostly sunny, with a high near 96.
Wednesday Night
Partly cloudy, with a low around 76.
Juneteenth
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Thursday Night
Mostly cloudy, with a low around 75.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 91.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Castle Hills TX
 29.53°N 98.53°W (Elev. 846 ft)
2:42 pm CDT Jun 13, 2025
5pm CDT Jun 13, 2025-6pm CDT Jun 20, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database