Severe Weather in the Plains; Heavy Rainfall in the Ohio and Tennessee Valleys; Heat Wave in the Central U.S.

Numerous severe storms with a potential for severe wind gusts, tornadoes (some potentially strong), and very large hail are expected in parts of the central and northern Plains. Heavy rainfall may bring a flooding threat to parts of the northern Plains and from the Ohio Valley to the Southeast. Fire weather concerns persist in the Four Corners Region. Hot and humid expected in the central U.S.. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Overcast

78°F

26°C

Humidity 93%
Wind Speed SE 8 mph
Barometer 30.03 in (1015.1 mb)
Dewpoint 76°F (24°C)
Visibility 9.00 mi
Heat Index81°F (27°C)
Last update 9 Jun 7:51 am CDT
Extended Forecast for

San Antonio TX

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly cloudy, then gradually becoming sunny, with a high near 92. Heat index values as high as 101. Southeast wind 5 to 10 mph.

    High: 92 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Increasing clouds, with a low around 76. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 93. Heat index values as high as 102. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 93 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 77. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 94. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 94 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 77. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 77 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 93. Southeast wind 5 to 10 mph.

    High: 93 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 76. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 93. Southeast wind 5 to 10 mph.

    High: 93 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 92. Heat index values as high as 101. Southeast wind 5 to 10 mph.
Tonight
Increasing clouds, with a low around 76. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 93. Heat index values as high as 102. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 77. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Partly sunny, with a high near 94. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 77. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Southeast wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 76. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Southeast wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 77.
Sunday
Partly sunny, with a high near 94.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TX
 29.46°N 98.5°W (Elev. 741 ft)
6:42 am CDT Jun 9, 2026
8am CDT Jun 9, 2026-6pm CDT Jun 15, 2026
 
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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