Flash Flooding Continuing Along the Gulf Coast; Dry Thunderstorms in the West

Excessive rainfall continues to produce life-threatening, locally catastrophic flash flooding along the central Gulf Coast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts Oregon, California, and the Great Basin into the weekend. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Mostly Cloudy

87°F

31°C

Humidity 67%
Wind Speed E 6 mph
Barometer 29.94 in (1012.0 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 19 Jun 11:51 am CDT
Extended Forecast for

San Antonio TX

  • Juneteenth

    Juneteenth: A 40 percent chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 94. Heat index values as high as 106. East wind around 10 mph.

    High: 94 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly between 10pm and 4am.  Mostly cloudy, with a low around 77. East wind 5 to 10 mph becoming south after midnight.

    Low: 77 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly cloudy, then gradually becoming sunny, with a high near 91. Heat index values as high as 103. East wind 5 to 10 mph becoming south southeast in the afternoon.

    High: 91 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 77. Southeast wind around 10 mph.

    Low: 77 °F

    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 93. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 93 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 78. South southeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 78 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 95. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 95 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 77. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 95. South southeast wind 5 to 10 mph.

    High: 95 °F

    Partly Sunny

Detailed Forecast

Juneteenth
A 40 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 94. Heat index values as high as 106. East wind around 10 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly between 10pm and 4am. Mostly cloudy, with a low around 77. East wind 5 to 10 mph becoming south after midnight.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 91. Heat index values as high as 103. East wind 5 to 10 mph becoming south southeast in the afternoon.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. Southeast wind around 10 mph.
Sunday
Mostly sunny, with a high near 93. South wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 78. South southeast wind around 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 95. South wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 77. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 95. South southeast wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 77.
Wednesday
Mostly sunny, with a high near 95.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
Mostly sunny, with a high near 96.
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TX
 29.46°N 98.5°W (Elev. 741 ft)
12:44 pm CDT Jun 19, 2026
12pm CDT Jun 19, 2026-6pm CDT Jun 25, 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