Flooding Threat Along the Gulf Coast, Southern Rockies and High Plains; Cooler Weather in the Central and Eastern U.S.

Strong thunderstorms may bring excessive rainfall and flooding over parts of the northern Gulf Coast today and over parts of the southern Rockies into the High Plains today through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures across the central and eastern U.S. through the weekend. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

A Few Clouds

80°F

27°C

Humidity 79%
Wind Speed S 6 mph
Barometer 29.99 in (1013.5 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 29 Aug 7:51 am CDT
Extended Forecast for

Alamo Heights TX

  • Today

    Today: Mostly sunny and hot, with a high near 101. Heat index values as high as 105. Southeast wind around 5 mph.

    High: 101 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph.

    Low: 77 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm.  Mostly sunny and hot, with a high near 100. Heat index values as high as 106. Southeast wind around 5 mph.  Chance of precipitation is 20%.

    High: 100 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 76. East southeast wind 5 to 10 mph.  Chance of precipitation is 20%.

    Low: 76 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 96. South southeast wind around 5 mph becoming east in the afternoon.  Chance of precipitation is 50%.

    High: 96 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 75. East northeast wind 5 to 10 mph.

    Low: 75 °F

    Chance
    T-storms

  • Labor Day

    Labor Day: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 91. North northeast wind around 5 mph.  Chance of precipitation is 60%.

    High: 91 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 20 percent chance of showers.  Mostly cloudy, with a low around 73. Northeast wind 5 to 10 mph.

    Low: 73 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after 1pm.  Mostly sunny, with a high near 95. Northeast wind around 5 mph.  Chance of precipitation is 20%.

    High: 95 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

Today
Mostly sunny and hot, with a high near 101. Heat index values as high as 105. Southeast wind around 5 mph.
Tonight
Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph.
Saturday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 100. Heat index values as high as 106. Southeast wind around 5 mph. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 76. East southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 96. South southeast wind around 5 mph becoming east in the afternoon. Chance of precipitation is 50%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. East northeast wind 5 to 10 mph.
Labor Day
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 91. North northeast wind around 5 mph. Chance of precipitation is 60%.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 73. Northeast wind 5 to 10 mph.
Tuesday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 95. Northeast wind around 5 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
Mostly sunny, with a high near 95.
Wednesday Night
Partly cloudy, with a low around 72.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
Alamo Heights TX
 29.48°N 98.48°W (Elev. 699 ft)
6:50 am CDT Aug 29, 2025
8am CDT Aug 29, 2025-6pm CDT Sep 4, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database