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

Severe Thunderstorms and Heavy Rain in the Central US

Isolated to scattered strong to severe thunderstorms may produce damaging winds and hail in the upper Great Lakes into the central High Plains. Heavy rain may create localized areas of flash flooding over parts of the Central Plains and Middle Mississippi Valley. Showers and strong to severe thunderstorms are possible over parts of the Mid-Atlantic. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Mostly Cloudy

94°F

34°C

Humidity 44%
Wind Speed SE 14 mph
Barometer 29.95 in (1012.3 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 29 Jun 3:51 pm CDT
Extended Forecast for

Balcones Heights TX

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 93. Heat index values as high as 102. Southeast wind around 10 mph, with gusts as high as 20 mph.

    High: 93 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 74. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 74 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Widespread haze. Mostly sunny, with a high near 92. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 92 °F

    Haze then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 7pm. Widespread haze. Mostly cloudy, with a low around 74. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 74 °F

    Chance
    T-storms then
    Haze

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after 4pm. Widespread haze. Partly sunny, with a high near 91. Calm wind becoming south southeast around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 91 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of thunderstorms before 7pm. Mostly cloudy, with a low around 74. South southeast wind 5 to 10 mph. Chance of precipitation is 10%.

    Low: 74 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 92. Light south southeast wind increasing to 5 to 10 mph in the morning.

    High: 92 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 76. South southeast wind 5 to 10 mph.

    Low: 76 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • 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

This Afternoon
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 93. Heat index values as high as 102. Southeast wind around 10 mph, with gusts as high as 20 mph.
Tonight
A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 74. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Widespread haze. Mostly sunny, with a high near 92. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
A 30 percent chance of showers and thunderstorms before 7pm. Widespread haze. Mostly cloudy, with a low around 74. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
A slight chance of showers, with thunderstorms also possible after 4pm. Widespread haze. Partly sunny, with a high near 91. Calm wind becoming south southeast around 5 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
A slight chance of thunderstorms before 7pm. Mostly cloudy, with a low around 74. South southeast wind 5 to 10 mph. Chance of precipitation is 10%.
Wednesday
Mostly cloudy, with a high near 92. Light south southeast wind increasing to 5 to 10 mph in the morning.
Wednesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 76. 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 93.
Friday Night
Partly cloudy, with a low around 75.
Saturday
Mostly sunny, with a high near 97.
Saturday Night
Partly cloudy, with a low around 75.
Sunday
Mostly sunny and hot, with a high near 99.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Balcones Heights TX
 29.48°N 98.56°W (Elev. 784 ft)
Last Update:
3:44 pm CDT Jun 29, 2025
Forecast Valid:
4pm CDT Jun 29, 2025-6pm CDT Jul 6, 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