Extreme Fire Weather Concerns for the Western U.S.; Severe Weather and Flooding Threats for the Central U.S.

Extremely critical fire weather conditions are expected to develop across the Great Basin and Southwest today, and exceptionally dry and windy conditions will promote rapid wildfire spread through the weekend. Scattered severe thunderstorms and heavy rain are possible across parts of the Ozark Plateau into lower Ohio Valley and parts of the northern Rockies into adjacent Great Plains. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast with Haze

78°F

26°C

Humidity 87%
Wind Speed S 9 mph
Barometer 30.03 in (1015.9 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 26 Jun 7:56 am CDT
Extended Forecast for

4 Miles WSW Martindale TX

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 95. Heat index values as high as 104. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 95 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 75. South southeast wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 95. Heat index values as high as 104. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 95 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 77. South wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 77 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 96. South wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 96 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 78. South southeast wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 78 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 97. South southeast wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 97 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. South southeast wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 96. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 96 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 95. Heat index values as high as 104. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 75. South southeast wind 10 to 15 mph, with gusts as high as 30 mph.
Saturday
Mostly sunny, with a high near 95. Heat index values as high as 104. South wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Increasing clouds, with a low around 77. South wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday
Mostly sunny, with a high near 96. South wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 78. South southeast wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 97. South southeast wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 76. South southeast wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Tuesday
Mostly sunny, with a high near 96. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Mostly sunny, with a high near 95.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Mostly sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Martindale TX
 29.81°N 97.91°W (Elev. 581 ft)
6:44 am CDT Jun 26, 2026
7am CDT Jun 26, 2026-6pm CDT Jul 2, 2026
 
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Additional Resources

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