Heat Will Continue in the Southeast and Portions of the West

A very hot and humid airmass will persist over portions of the southeast. Afternoon high temperatures in these areas are forecast to reach 95 to 100 degrees with heat index values ranging from 100 to 110 degrees. Hot temperatures are also expected over portions of the west. In the Plains and the mid-Atlantic to the Appalachians, strong thunderstorms are possible with gusty winds. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Thunderstorm in Vicinity

75°F

24°C

Humidity 100%
Wind Speed NW 5 mph
Barometer 29.96 in
Dewpoint 75°F (24°C)
Visibility 5.00 mi
Last update 27 Jul 6:15 am CDT
Extended Forecast for

San Marcos TX

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 7am.  Mostly cloudy, with a high near 91. Heat index values as high as 98. South wind 5 to 15 mph.  New rainfall amounts between a quarter and half of an inch possible.

    Chance
    T-storms

    High: 91 °F

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 75. South southeast wind 5 to 10 mph.

    Slight Chance
    T-storms

    Low: 75 °F

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 95. Heat index values as high as 102. South wind 5 to 10 mph.

    Slight Chance
    T-storms

    High: 95 °F

  • Thursday
    Night

    Thursday Night: Mostly cloudy, with a low around 75. South southeast wind 5 to 10 mph.

    Mostly Cloudy

    Low: 75 °F

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 96. South wind 5 to 10 mph.

    Slight Chance
    T-storms

    High: 96 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph.

    Partly Cloudy

    Low: 75 °F

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 97. South wind 5 to 10 mph.

    Hot

    High: 97 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 76. South southeast wind 5 to 10 mph.

    Partly Cloudy

    Low: 76 °F

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 98. South wind 5 to 10 mph.

    Hot

    High: 98 °F

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 7am. Mostly cloudy, with a high near 91. Heat index values as high as 98. South wind 5 to 15 mph. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. South southeast wind 5 to 10 mph.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 95. Heat index values as high as 102. South wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 75. South southeast wind 5 to 10 mph.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 96. South wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph.
Saturday
Mostly sunny and hot, with a high near 97. South wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 76. South southeast wind 5 to 10 mph.
Sunday
Mostly sunny and hot, with a high near 98. South wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 76.
Monday
Mostly sunny and hot, with a high near 98.
Monday Night
Partly cloudy, with a low around 75.
Tuesday
Mostly sunny and hot, with a high near 98.
Click Map For Forecast
Point Forecast:
San Marcos TX
 29.88°N 97.94°W (Elev. 577 ft)
4:40 am CDT Jul 27, 2016
6am CDT Jul 27, 2016-6pm CDT Aug 2, 2016
 
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Additional Resources

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