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, Stinson Municipal Airport (KSSF)

Lat: 29.34°NLon: 98.47°WElev: 574ft.

Mostly Cloudy

81°F

27°C

Humidity 82%
Wind Speed Vrbl 7 mph
Barometer 29.95 in (1012.7 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 30 Aug 8:53 am CDT
Extended Forecast for

3 Miles WSW San Antonio, Stinson Municipal Airport TX

  • Today

    Today: Mostly sunny and hot, with a high near 100. Heat index values as high as 104. Southeast wind 5 to 10 mph.

    High: 100 °F

    Hot

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 10pm.  Partly cloudy, with a low around 77. East southeast wind 5 to 10 mph.

    Low: 77 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 97. Heat index values as high as 102. East southeast wind 5 to 10 mph.

    High: 97 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 77. East wind 5 to 10 mph.

    Low: 77 °F

    Chance
    T-storms

  • Labor Day

    Labor Day: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 90. North wind 5 to 10 mph.  Chance of precipitation is 70%.

    High: 90 °F

    Showers
    Likely

  • Monday Night

    Monday Night: 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 74. Northeast wind 5 to 10 mph.  Chance of precipitation is 20%.

    Low: 74 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 95. North northeast wind 5 to 10 mph.

    High: 95 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71. North northeast wind 5 to 10 mph.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 94. North wind 5 to 10 mph.

    High: 94 °F

    Sunny

Detailed Forecast

Today
Mostly sunny and hot, with a high near 100. Heat index values as high as 104. Southeast wind 5 to 10 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 77. East southeast wind 5 to 10 mph.
Sunday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. Heat index values as high as 102. East southeast wind 5 to 10 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. East wind 5 to 10 mph.
Labor Day
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 90. North wind 5 to 10 mph. Chance of precipitation is 70%.
Monday Night
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 74. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 95. North northeast wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 71. North northeast wind 5 to 10 mph.
Wednesday
Sunny, with a high near 94. North wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 72.
Thursday
Mostly sunny, with a high near 95.
Thursday Night
Partly cloudy, with a low around 71.
Friday
Mostly sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW San Antonio, Stinson Municipal Airport TX
 29.32°N 98.53°W (Elev. 640 ft)
6:44 am CDT Aug 30, 2025
8am CDT Aug 30, 2025-6pm CDT Sep 5, 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