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

New Braunfels National Airport (KBAZ)

Lat: 29.71°NLon: 98.04°WElev: 658ft.

Fair

90°F

32°C

Humidity 54%
Wind Speed S 18 G 24 mph
Barometer 29.99 in (1014.7 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 29 Jun 11:51 am CDT
Extended Forecast for

6 Miles SSW San Marcos TX

  • This Afternoon

    This Afternoon: Widespread haze after 1pm. Sunny, with a high near 96. Heat index values as high as 101. South southeast wind around 15 mph, with gusts as high as 25 mph.

    High: 96 °F

    Haze

  • Tonight

    Tonight: Increasing clouds, with a low around 75. South southeast wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 75 °F

    Increasing
    Clouds

  • Tuesday

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

    High: 94 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 74. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 74 °F

    Increasing
    Clouds

  • Wednesday

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

    High: 94 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. South southeast wind 10 to 15 mph decreasing to 5 to 10 mph after midnight.

    Low: 74 °F

    Mostly Clear

  • Thursday

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

    High: 94 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. Southeast wind 5 to 10 mph.

    Low: 75 °F

    Mostly Clear

  • Friday

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

    High: 94 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Widespread haze after 1pm. Sunny, with a high near 96. Heat index values as high as 101. South southeast wind around 15 mph, with gusts as high as 25 mph.
Tonight
Increasing clouds, with a low around 75. South southeast wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Tuesday
Partly sunny, then gradually becoming 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 74. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 94. South wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 74. South southeast wind 10 to 15 mph decreasing to 5 to 10 mph after midnight.
Thursday
Mostly sunny, with a high near 94. Light south wind becoming south southeast 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 75. Southeast wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 94. Calm wind becoming south southeast around 5 mph in the morning.
Friday Night
Mostly clear, with a low around 74.
Independence Day
Mostly sunny, with a high near 95.
Saturday Night
Partly cloudy, with a low around 74.
Sunday
Mostly sunny, with a high near 96.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW San Marcos TX
 29.81°N 97.99°W (Elev. 653 ft)
11:32 am CDT Jun 29, 2026
12pm CDT Jun 29, 2026-6pm CDT Jul 5, 2026
 
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Additional Resources

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Hourly Weather Forecast

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