Widespread Showers Across the Eastern Half of the US; Severe Thunderstorms in Montana into the Plains

Widespread coverage of showers and thunderstorms across much of the central and eastern U.S., will produce areas of excessive rain in the northwest Gulf Coast, portions of the Mississippi Valley and the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Mostly Cloudy

81°F

27°C

Humidity 79%
Wind Speed S 9 mph
Barometer 29.94 in (1012.2 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 13 Jun 10:51 am CDT
Extended Forecast for

San Antonio International Airport TX

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm.  Mostly cloudy, then gradually becoming sunny, with a high near 91. Heat index values as high as 102. South wind 5 to 10 mph.

    High: 91 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm.  Increasing clouds, with a low around 75. Southeast wind 5 to 10 mph.

    Low: 75 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms.  Cloudy through mid morning, then gradual clearing, with a high near 92. Heat index values as high as 106. South southeast wind 5 to 10 mph.

    High: 92 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 76. Southeast wind 5 to 10 mph.

    Low: 76 °F

    Increasing
    Clouds

  • Sunday

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

    High: 93 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph.

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 94. South wind 5 to 10 mph.

    High: 94 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. South southeast wind 5 to 10 mph.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 95. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 95 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 91. Heat index values as high as 102. South wind 5 to 10 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Increasing clouds, with a low around 75. Southeast wind 5 to 10 mph.
Saturday
A 20 percent chance of showers and thunderstorms. Cloudy through mid morning, then gradual clearing, with a high near 92. Heat index values as high as 106. South southeast wind 5 to 10 mph.
Saturday Night
Increasing clouds, with a low around 76. Southeast wind 5 to 10 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. South wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 94. South wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 75. South southeast wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 95. South wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Mostly sunny, with a high near 96.
Wednesday Night
Partly cloudy, with a low around 75.
Juneteenth
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio International Airport TX
 29.55°N 98.46°W (Elev. 751 ft)
7:42 am CDT Jun 13, 2025
11am CDT Jun 13, 2025-6pm CDT Jun 19, 2025
 
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Additional Resources

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