Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Heat Building in the Western U.S.

A cold front pressing east across the central U.S. will be the focus for areas of strong to severe thunderstorms and excessive rainfall through this weekend. Strong to severe thunderstorms my bring damaging winds, hail, and a few tornadoes while excessive rainfall may lead to areas of flooding. Heat will build across the western U.S. with heat-related watches, warnings, and advisories issued. Read More >

Hazardous Weather Conditions

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Overcast

81°F

27°C

Humidity 79%
Wind Speed S 13 mph
Barometer 30.04 in (1015.2 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 13 Jul 9:51 am CDT
Extended Forecast for

2 Miles E Castle Hills TX

Flood Watch July 13, 10:03am until July 13, 07:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch July 13, 10:03am until July 13, 07:00pm

    NOW until 7:00pm Sun

    Flood Watch

  • Today

    High: 93 °F

    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am.  Mostly cloudy, with a low around 75. East southeast wind 5 to 10 mph.  Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: 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 94. Heat index values as high as 100. South southeast wind 5 to 10 mph.  Chance of precipitation is 20%.

    High: 94 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of thunderstorms before 7pm.  Increasing clouds, with a low around 75. Southeast wind 5 to 10 mph.  Chance of precipitation is 10%.

    Low: 75 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 94. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 94 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 76. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 96. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 96 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 74. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 74 °F

    Partly Cloudy

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 93. Heat index values as high as 101. South wind 5 to 10 mph.
Tonight
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 75. East southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Monday
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 94. Heat index values as high as 100. South southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Monday Night
A slight chance of thunderstorms before 7pm. Increasing clouds, with a low around 75. Southeast wind 5 to 10 mph. Chance of precipitation is 10%.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 94. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 76. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 96. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 74. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 96. South southeast wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 74.
Friday
Mostly sunny, with a high near 95.
Friday Night
Partly cloudy, with a low around 76.
Saturday
Mostly sunny, with a high near 96.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Castle Hills TX
 29.53°N 98.48°W (Elev. 817 ft)
7:42 am CDT Jul 13, 2025
10am CDT Jul 13, 2025-6pm CDT Jul 19, 2025
 
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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