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

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

Severe weather and flooding threats will continue for portions of the central U.S. Rounds of heavy rainfall may cause impactful flash flooding in parts of southern Kansas and Missouri. Hot and dry conditions will fuel fire weather concerns for the Intermountain West, and dry thunderstorms may spark additional wildfires. Dangerous heat will build across the southern U.S. Friday into the weekend. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

2 Miles WSW San Marcos TX

  • Today

    Today: Sunny, with a high near 93. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 93 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 75. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 95. Heat index values as high as 103. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 95 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: 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. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 95 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 76. South southeast wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 76 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 95. South wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 95 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 77. South southeast wind 15 to 20 mph, with gusts as high as 35 mph.

    Low: 77 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 96. South southeast wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 96 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 93. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 75. South wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 95. Heat index values as high as 103. South wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
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. South wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 76. South southeast wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday
Mostly sunny, with a high near 95. South wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 77. South southeast wind 15 to 20 mph, with gusts as high as 35 mph.
Monday
Mostly sunny, with a high near 96. South southeast wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Mostly sunny, with a high near 96.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Mostly sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW San Marcos TX
 29.86°N 97.97°W (Elev. 646 ft)
Last Update:
11:32 am CDT Jun 25, 2026
Forecast Valid:
11am CDT Jun 25, 2026-6pm CDT Jul 1, 2026
 
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Additional Resources

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Chance of Precipitation