National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat in the East; Critical Fire Weather in the Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue today and likely Tuesday across portions of the Four Corners and northern High Plains. Read More >

Current conditions at

San Antonio, Stinson Municipal Airport (KSSF)

Lat: 29.34°NLon: 98.47°WElev: 574ft.

Fair

88°F

31°C

Humidity 57%
Wind Speed S 18 G 29 mph
Barometer 29.98 in (1013.9 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 29 Jun 11:53 am CDT
Extended Forecast for

4 Miles NNW San Antonio, Stinson Municipal Airport TX

  • Today

    Today: Widespread haze after 1pm. Sunny, with a high near 95. Heat index values as high as 100. South wind around 15 mph, with gusts as high as 25 mph.

    High: 95 °F

    Haze

  • Tonight

    Tonight: Increasing clouds, with a low around 75. Southeast wind 5 to 15 mph, with gusts as high as 30 mph.

    Low: 75 °F

    Increasing
    Clouds

  • Tuesday

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

    High: 94 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 75. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 75 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 93. South southeast wind 5 to 10 mph.

    High: 93 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75. Southeast wind 5 to 15 mph.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 93. Light south southeast wind increasing to 5 to 10 mph in the morning.

    High: 93 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. Southeast wind 5 to 10 mph.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 94. Light southeast wind becoming south southeast 5 to 10 mph in the morning.

    High: 94 °F

    Mostly Sunny

Detailed Forecast

Today
Widespread haze after 1pm. Sunny, with a high near 95. Heat index values as high as 100. South wind around 15 mph, with gusts as high as 25 mph.
Tonight
Increasing clouds, with a low around 75. Southeast wind 5 to 15 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 94. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Increasing clouds, with a low around 75. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 93. South southeast wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 75. Southeast wind 5 to 15 mph.
Thursday
Mostly sunny, with a high near 93. Light south southeast wind increasing to 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 76. Southeast wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 94. Light southeast wind becoming south southeast 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 75.
Independence Day
Mostly sunny, with a high near 95.
Saturday Night
Partly cloudy, with a low around 75.
Sunday
Mostly sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW San Antonio, Stinson Municipal Airport TX
 29.39°N 98.5°W (Elev. 607 ft)
Last Update:
11:32 am CDT Jun 29, 2026
Forecast Valid:
11am CDT Jun 29, 2026-6pm CDT Jul 5, 2026
 
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