Severe thunderstorms and heavy rain possible for portions of the southern and central plains and the lower Great Lakes. Hot conditions in the Northwest.

scattered to numerous showers and thunderstorms are expected across portions of the central and southern plains and across portions of the lower Great Lakes. Some thunderstorms may be severe with damaging winds and large hail. Hot and dry conditions are expected in the Northwest. High temperatures today and Friday will be 10 to 20 degrees above average across western Washington and Oregon. Read More >

Hazardous Weather Conditions

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Partly Cloudy

25°C

77°F

Humidity 82%
Wind Speed S 11 km/h
Barometer 1017.1 mb (30.09 in)
Dewpoint 22°C (71°F)
Visibility 16 km
Heat Index26°C (79°F)
Last update 25 Aug 8:51 am CDT
Extended Forecast for

San Antonio TX

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 33. Heat index values as high as 37. Southeast wind 10 to 15 km/h.

    Mostly Cloudy
    then Slight
    Chance
    T-storms

    High: 33 °C

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 24. East southeast wind 5 to 15 km/h.

    Slight Chance
    T-storms

    Low: 24 °C

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 33. Heat index values as high as 37. East southeast wind 5 to 15 km/h.

    Slight Chance
    T-storms

    High: 33 °C

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 23. East southeast wind 5 to 15 km/h.

    Partly Cloudy

    Low: 23 °C

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 33. East wind 5 to 15 km/h.

    Slight Chance
    T-storms

    High: 33 °C

  • Saturday
    Night

    Saturday Night: Mostly cloudy, with a low around 23. East wind 5 to 15 km/h.

    Mostly Cloudy

    Low: 23 °C

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Partly sunny, with a high near 32. East northeast wind 10 to 15 km/h.

    Chance
    T-storms

    High: 32 °C

  • Sunday
    Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 23. East northeast wind 10 to 15 km/h.

    Slight Chance
    T-storms

    Low: 23 °C

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 32. North northeast wind 10 to 15 km/h.

    Chance
    T-storms

    High: 32 °C

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 33. Heat index values as high as 37. Southeast wind 10 to 15 km/h.
Tonight
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 24. East southeast wind 5 to 15 km/h.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 33. Heat index values as high as 37. East southeast wind 5 to 15 km/h.
Friday Night
Partly cloudy, with a low around 23. East southeast wind 5 to 15 km/h.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 33. East wind 5 to 15 km/h.
Saturday Night
Mostly cloudy, with a low around 23. East wind 5 to 15 km/h.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 32. East northeast wind 10 to 15 km/h.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 23. East northeast wind 10 to 15 km/h.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 32. North northeast wind 10 to 15 km/h.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 23.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 33.
Tuesday Night
Mostly cloudy, with a low around 23.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 32.
Click Map For Forecast
Point Forecast:
San Antonio TX
 29.46°N 98.5°W (Elev. 226 m)
6:26 am CDT Aug 25, 2016
9am CDT Aug 25, 2016-6pm CDT Aug 31, 2016
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database