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

Thunderstorms and Widespread Rainfall Across the Southern Plains

Isolated severe thunderstorms and widespread showers may produce flash flooding across the Southern Plains through Thursday. Numerous instances of flash flooding are expected in south-central Texas, including portions of the Hill Country; and an additional area across eastern Oklahoma into the Ozarks on Thursday. Heavy rainfall and mountain snow will return to southern California on Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

San Antonio, Stinson Municipal Airport (KSSF)

Lat: 29.34°NLon: 98.47°WElev: 574ft.

Partly Cloudy

76°F

24°C

Humidity 82%
Wind Speed SE 9 mph
Barometer 30.05 in (1016.8 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 19 Nov 9:53 pm CST
Extended Forecast for

San Antonio, Stinson Municipal Airport TX

Flood Watch November 20, 12:00am until November 21, 06:00am
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: A slight chance of showers before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am. Mostly cloudy, with a low around 71. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 83. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. East wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms. Cloudy, then gradually becoming mostly sunny, with a high near 83. South wind around 5 mph becoming north northeast in the afternoon. Chance of precipitation is 50%.

    High: 83 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am. Partly cloudy, with a low around 63. Northeast wind around 5 mph. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms before 9am, then a chance of showers between 9am and noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 80. East northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    Low: 64 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 78. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A slight chance of showers before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am. Mostly cloudy, with a low around 71. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday
Showers likely, with thunderstorms also possible after 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 83. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. East wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A chance of showers and thunderstorms. Cloudy, then gradually becoming mostly sunny, with a high near 83. South wind around 5 mph becoming north northeast in the afternoon. Chance of precipitation is 50%.
Friday Night
A slight chance of showers before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am. Partly cloudy, with a low around 63. Northeast wind around 5 mph. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms before 9am, then a chance of showers between 9am and noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 80. East northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Sunday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 78. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Southeast wind around 10 mph, with gusts as high as 20 mph.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 78. Chance of precipitation is 50%.
Monday Night
A 20 percent chance of showers. Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Mostly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio, Stinson Municipal Airport TX
 29.35°N 98.48°W (Elev. 577 ft)
Last Update:
5:42 pm CST Nov 19, 2025
Forecast Valid:
10pm CST Nov 19, 2025-6pm CST Nov 26, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation