Severe Thunderstorms in the Southern Plains; Heavy to Excessive Rainfall in South Central Texas

Widespread rain may produce flash flooding across the Southern Plains into the Ozarks today. Numerous instances of flash flooding are expected in south-central Texas, including the Hill Country. There will also be a risk of isolated severe thunderstorms across the southern Plains today, where an instance or two of severe wind, hail, or a brief tornado may occur. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Overcast

74°F

23°C

Humidity 88%
Wind Speed SE 7 mph
Barometer 30.01 in (1014.5 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 20 Nov 7:51 am CST
Extended Forecast for

Shavano Park TX

Flood Watch November 20, 07:57am until November 21, 06:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch November 20, 07:57am until November 21, 06:00am

    NOW until 6:00am Fri

    Flood Watch

  • Today

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms after 9pm.  Mostly cloudy, with a low around 66. East wind 5 to 10 mph becoming west northwest after midnight.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Showers
    Likely then
    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms before noon, then a slight chance of showers.  Cloudy, then gradually becoming mostly sunny, with a high near 80. West southwest wind around 5 mph becoming northeast in the afternoon.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers, then a chance of showers and thunderstorms after midnight.  Increasing clouds, with a low around 63. North northeast wind around 5 mph.  Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers.  Mostly cloudy, with a high near 78. East wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 78 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 64. East wind 5 to 10 mph.

    Low: 64 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 78. South 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 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 62. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Chance
    T-storms

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 81. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Tonight
Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms after 9pm. Mostly cloudy, with a low around 66. East wind 5 to 10 mph becoming west northwest after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A chance of showers and thunderstorms before noon, then a slight chance of showers. Cloudy, then gradually becoming mostly sunny, with a high near 80. West southwest wind around 5 mph becoming northeast in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A slight chance of showers, then a chance of showers and thunderstorms after midnight. Increasing clouds, with a low around 63. North northeast wind around 5 mph. Chance of precipitation is 30%.
Saturday
A 40 percent chance of showers. Mostly cloudy, with a high near 78. East wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 64. East wind 5 to 10 mph.
Sunday
Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 78. South southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South wind around 10 mph, with gusts as high as 20 mph.
Monday
Showers likely and possibly a thunderstorm before noon, then a chance of showers. Partly sunny, with a high near 74. South wind 5 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Shavano Park TX
 29.59°N 98.56°W (Elev. 978 ft)
5:42 am CST Nov 20, 2025
7am CST Nov 20, 2025-6pm CST Nov 26, 2025
 
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Additional Resources

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