Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Severe thunderstorms possible from the upper Midwest to the lower Mississippi Valley

Severe thunderstorms with damaging winds, a few tornadoes and some hail are expected across much of Arkansas and southern Missouri Wednesday. Isolated severe thunderstorms with damaging wind are also expected across Illinois during the day and across the lower Mississippi Valley overnight. Heavy rain with localized flooding is also possible in these areas. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Mostly Cloudy

27°C

80°F

Humidity 74%
Wind Speed E 26 km/h
Barometer 997.0 mb (29.49 in)
Dewpoint 22°C (71°F)
Visibility 16 km
Heat Index28°C (83°F)
Last update 25 Apr 8:51 pm CDT
Extended Forecast for

San Antonio TX

Fire Weather Watch April 26, 12:00pm until April 26, 07:00pm
Click here for hazard details and duration
Fire Weather Watch
  • Tonight

    Tonight: Mostly cloudy, with a low around 21. South southeast wind around 15 km/h.

    Mostly Cloudy

    Low: 21 °C

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 32. South southwest wind 10 to 15 km/h becoming west northwest 20 to 25 km/h in the morning. Winds could gust as high as 35 km/h.

    Becoming
    Sunny

    High: 32 °C

  • Wednesday
    Night

    Wednesday Night: Clear, with a low around 13. North northwest wind 20 to 25 km/h becoming northeast 10 to 15 km/h after midnight.

    Clear

    Low: 13 °C

  • Thursday

    Thursday: Sunny, with a high near 31. East wind 5 to 10 km/h becoming south 15 to 20 km/h in the afternoon.

    Sunny

    High: 31 °C

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 21. South southeast wind 15 to 20 km/h.

    Mostly Clear

    Low: 21 °C

  • Friday

    Friday: Partly sunny, with a high near 35. South wind 10 to 15 km/h.

    Partly Sunny

    High: 35 °C

  • Friday
    Night

    Friday Night: Mostly cloudy, with a low around 23. South southeast wind 15 to 25 km/h.

    Mostly Cloudy

    Low: 23 °C

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 8am.  Partly sunny, with a high near 32. South southeast wind 10 to 20 km/h.

    Slight Chance
    T-storms

    High: 32 °C

  • Saturday
    Night

    Saturday Night: A 50 percent chance of showers and thunderstorms, mainly after 8pm.  Mostly cloudy, with a low around 17. East southeast wind 10 to 15 km/h becoming north after midnight.

    Chance
    T-storms

    Low: 17 °C

Detailed Forecast

Tonight
Mostly cloudy, with a low around 21. South southeast wind around 15 km/h.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 32. South southwest wind 10 to 15 km/h becoming west northwest 20 to 25 km/h in the morning. Winds could gust as high as 35 km/h.
Wednesday Night
Clear, with a low around 13. North northwest wind 20 to 25 km/h becoming northeast 10 to 15 km/h after midnight.
Thursday
Sunny, with a high near 31. East wind 5 to 10 km/h becoming south 15 to 20 km/h in the afternoon.
Thursday Night
Mostly clear, with a low around 21. South southeast wind 15 to 20 km/h.
Friday
Partly sunny, with a high near 35. South wind 10 to 15 km/h.
Friday Night
Mostly cloudy, with a low around 23. South southeast wind 15 to 25 km/h.
Saturday
A 20 percent chance of showers and thunderstorms after 8am. Partly sunny, with a high near 32. South southeast wind 10 to 20 km/h.
Saturday Night
A 50 percent chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 17. East southeast wind 10 to 15 km/h becoming north after midnight.
Sunday
A 50 percent chance of showers and thunderstorms before 8am. Mostly sunny, with a high near 25.
Sunday Night
Mostly clear, with a low around 11.
Monday
Sunny, with a high near 28.
Monday Night
Mostly clear, with a low around 15.
Tuesday
Sunny, with a high near 30.
Click Map For Forecast
Point Forecast:
San Antonio TX
 29.46°N 98.5°W (Elev. 226 m)
8:10 pm CDT Apr 25, 2017
9pm CDT Apr 25, 2017-6pm CDT May 2, 2017
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database