Atmospheric River in California; Fire Weather Concerns in the Central Plains

An atmospheric river will continue to bring gusty to high winds, moderate to heavy rainfall, and potential flooding to California through Saturday. Dry, gusty winds will bring elevated fire weather conditions to parts of the central and southern High Plains Friday. Red Flag Warnings have been issued. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Mostly Cloudy

64°F

18°C

Humidity 96%
Wind Speed S 3 mph
Barometer 30.09 in (1018.4 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 14 Nov 2:56 am CST
Extended Forecast for

4 Miles WNW San Marcos TX

  • Overnight

    Overnight: Patchy fog.  Otherwise, mostly cloudy, with a low around 59. South southwest wind 5 to 10 mph.

    Low: 59 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 8am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 84. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 83. South southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60. South wind around 5 mph.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 85. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 63. South wind around 5 mph.

    Low: 63 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 87. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 87 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65. South wind around 5 mph.

    Low: 65 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 59. South southwest wind 5 to 10 mph.
Friday
Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 84. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 59. South wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 83. South southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 60. South wind around 5 mph.
Sunday
Mostly sunny, with a high near 85. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 63. South wind around 5 mph.
Monday
Mostly sunny, with a high near 87. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 65. South wind around 5 mph.
Tuesday
Partly sunny, with a high near 87.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 65.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 83.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW San Marcos TX
 29.9°N 97.99°W (Elev. 850 ft)
12:50 am CST Nov 14, 2025
3am CST Nov 14, 2025-6pm CST Nov 20, 2025
 
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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