Severe Thunderstorm and Flash Flooding Threats in the South

Organized severe thunderstorms capable of producing mainly large hail and perhaps damaging winds are expected across portions of Louisiana this afternoon with a second round further west tonight. Heavy thunderstorms may lead to flash flooding over portions of the northern Gulf Coast today through Saturday. Several inches of excessive rainfall are possible with Flash Flood Watches in effect. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Overcast

82°F

28°C

Humidity 53%
Wind Speed E 8 mph
Barometer 29.90 in (1010.7 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 13 Apr 3:51 pm CDT
Extended Forecast for

San Antonio TX

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 10pm.  Mostly cloudy, with a low around 67. Northeast wind 5 to 10 mph.

    Chance
    T-storms

    Low: 67 °F

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly cloudy, with a high near 81. Northeast wind 5 to 10 mph.

    Chance
    T-storms

    High: 81 °F

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, with a low around 63. Northeast wind around 10 mph.

    Chance
    T-storms

    Low: 63 °F

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 1pm.  Cloudy, with a high near 73. Northeast wind around 10 mph, with gusts as high as 20 mph.

    Chance
    T-storms

    High: 73 °F

  • Thursday
    Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Cloudy, with a low around 65. East northeast wind 5 to 10 mph.

    Chance
    T-storms

    Low: 65 °F

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms.  Cloudy, with a high near 82. East wind around 5 mph becoming west southwest in the afternoon.

    Chance
    T-storms

    High: 82 °F

  • Friday
    Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 56. North northeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Chance
    T-storms

    Low: 56 °F

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 68. North northeast wind around 15 mph, with gusts as high as 25 mph.

    Chance
    Showers then
    Chance
    T-storms

    High: 68 °F

  • Saturday
    Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 52. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Slight Chance
    T-storms

    Low: 52 °F

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 10pm. Mostly cloudy, with a low around 67. Northeast wind 5 to 10 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 81. Northeast wind 5 to 10 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 63. Northeast wind around 10 mph.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Cloudy, with a high near 73. Northeast wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Cloudy, with a low around 65. East northeast wind 5 to 10 mph.
Friday
A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 82. East wind around 5 mph becoming west southwest in the afternoon.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 56. North northeast wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 68. North northeast wind around 15 mph, with gusts as high as 25 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 52. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
A 20 percent chance of showers. Mostly cloudy, with a high near 69.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 52.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 78.
Click Map For Forecast
Point Forecast:
San Antonio TX
 29.46°N 98.5°W (Elev. 741 ft)
2:15 pm CDT Apr 13, 2021
4pm CDT Apr 13, 2021-6pm CDT Apr 20, 2021
 
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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