Powerful Storm to Impact the West; Fire Weather Concerns for Areas of the Plains

A powerful winter storm is underway across the west bringing heavy higher elevation mountain snow, dangerous blizzard for the Sierra Nevada Mountains, damaging winds, hazardous sea conditions and cold temperatures to much of the West through this weekend. Meanwhile, critical fire weather concerns increase this weekend for portions of the central and southern High Plains. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fog/Mist

43°F

6°C

Humidity 100%
Wind Speed Calm
Barometer 30.12 in (1020.1 mb)
Dewpoint 43°F (6°C)
Visibility 6.00 mi
Last update 1 Mar 4:56 am CST
Extended Forecast for

San Marcos TX

  • Today

    Today: Patchy fog before 10am.  Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 72. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    Patchy Fog
    then Sunny

    High: 72 °F

  • Tonight

    Tonight: Mostly clear, with a low around 49. South southeast wind 5 to 10 mph becoming west southwest after midnight.

    Mostly Clear

    Low: 49 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 79. West southwest wind 5 to 10 mph becoming south in the afternoon.

    Mostly Sunny

    High: 79 °F

  • Saturday
    Night

    Saturday Night: Mostly cloudy, with a low around 59. South southeast wind 5 to 10 mph.

    Mostly Cloudy

    Low: 59 °F

  • Sunday

    Sunday: Partly sunny, with a high near 80. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Partly Sunny

    High: 80 °F

  • Sunday
    Night

    Sunday Night: Mostly cloudy, with a low around 63. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Mostly Cloudy

    Low: 63 °F

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 80. South wind around 10 mph.

    Mostly Cloudy
    then Chance
    T-storms

    High: 80 °F

  • Monday
    Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before midnight.  Mostly cloudy, with a low around 59. South southwest wind 5 to 10 mph becoming west after midnight.

    Chance
    T-storms

    Low: 59 °F

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 82. West wind around 10 mph becoming northeast in the afternoon.

    Slight Chance
    T-storms

    High: 82 °F

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 72. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Tonight
Mostly clear, with a low around 49. South southeast wind 5 to 10 mph becoming west southwest after midnight.
Saturday
Mostly sunny, with a high near 79. West southwest wind 5 to 10 mph becoming south in the afternoon.
Saturday Night
Mostly cloudy, with a low around 59. South southeast wind 5 to 10 mph.
Sunday
Partly sunny, with a high near 80. South wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 63. South southeast wind around 10 mph, with gusts as high as 20 mph.
Monday
A 30 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 80. South wind around 10 mph.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 59. South southwest wind 5 to 10 mph becoming west after midnight.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82. West wind around 10 mph becoming northeast in the afternoon.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 54. Chance of precipitation is 20%.
Wednesday
A 20 percent chance of showers. Mostly cloudy, with a high near 75.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 58.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76.
Click Map For Forecast
Point Forecast:
San Marcos TX
 29.88°N 97.94°W (Elev. 577 ft)
5:10 am CST Mar 1, 2024
5am CST Mar 1, 2024-6pm CST Mar 7, 2024
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database