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.

Partly Cloudy

100°F

38°C

Humidity 33%
Wind Speed Vrbl 5 mph
Barometer 29.90 in (1010.5 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index104°F (40°C)
Last update 29 Aug 3:51 pm CDT
Extended Forecast for

2 Miles SE San Antonio TX

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 7pm and 10pm.  Partly cloudy, with a low around 79. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    Low: 79 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 4pm.  Mostly sunny and hot, with a high near 100. Heat index values as high as 107. East southeast wind around 5 mph.

    High: 100 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 78. East wind 5 to 10 mph becoming south southeast after midnight.

    Low: 78 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 96. Heat index values as high as 103. Southeast wind 5 to 10 mph becoming east northeast in the afternoon.  Chance of precipitation is 40%.

    High: 96 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 76. East northeast wind 5 to 10 mph.  Chance of precipitation is 60%.

    Low: 76 °F

    Chance
    T-storms then
    Showers
    Likely

  • 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 90. Northeast wind around 5 mph.  Chance of precipitation is 70%.

    High: 90 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 76. Northeast wind around 5 mph becoming calm.  Chance of precipitation is 30%.

    Low: 76 °F

    Chance
    Showers

  • Tuesday

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

    High: 95 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 74. North wind around 5 mph.

    Low: 74 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between 7pm and 10pm. Partly cloudy, with a low around 79. East southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Saturday
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 100. Heat index values as high as 107. East southeast wind around 5 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 78. East wind 5 to 10 mph becoming south southeast after midnight.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Heat index values as high as 103. Southeast wind 5 to 10 mph becoming east northeast in the afternoon. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 76. East northeast wind 5 to 10 mph. Chance of precipitation is 60%.
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 90. Northeast wind around 5 mph. Chance of precipitation is 70%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Northeast wind around 5 mph becoming calm. Chance of precipitation is 30%.
Tuesday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 95. North northeast wind around 5 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 74. North wind around 5 mph.
Wednesday
Mostly sunny, with a high near 94.
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 72.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE San Antonio TX
 29.44°N 98.48°W (Elev. 663 ft)
2:50 pm CDT Aug 29, 2025
4pm CDT Aug 29, 2025-6pm CDT Sep 5, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database