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

93°F

34°C

Humidity 46%
Wind Speed S 18 G 26 mph
Barometer 29.95 in (1013.0 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 29 Jun 1:53 pm CDT
Extended Forecast for

San Antonio, Stinson Municipal Airport TX

  • This Afternoon

    This Afternoon: Widespread haze. Sunny, with a high near 96. Heat index values as high as 103. South southeast wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 96 °F

    Haze

  • Tonight

    Tonight: Increasing clouds, with a low around 75. Southeast wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.

    Low: 75 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 94. Heat index values as high as 100. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 94 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 76. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 93. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 93 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 93. Southeast wind 5 to 10 mph.

    High: 93 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Mostly Clear

  • Friday

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

    High: 94 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Widespread haze. Sunny, with a high near 96. Heat index values as high as 103. South southeast wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Increasing clouds, with a low around 75. Southeast wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 94. Heat index values as high as 100. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Increasing clouds, with a low around 76. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 93. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 75. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 93. Southeast wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 76. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 94. South southeast wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 76.
Independence Day
Mostly sunny, with a high near 95.
Saturday Night
Partly cloudy, with a low around 76.
Sunday
Mostly sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio, Stinson Municipal Airport TX
 29.32°N 98.47°W (Elev. 581 ft)
1:28 pm CDT Jun 29, 2026
2pm CDT Jun 29, 2026-6pm CDT Jul 5, 2026
 
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Additional Resources

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