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Tracking a Couple of Storm Systems Across the Country

Showers, along with a few strong to severe thunderstorms, are expected from the Great Lakes, New England and southward into the Ohio and Tennessee Valleys. In the wake of this system, a stronger storm is expected to track from the Pacific Northwest, Plains and through the Eastern U.S. this weekend. Strong winds, showers and a larger drop in temperatures are expected this weekend into Monday. Read More >

Hazardous Weather Conditions

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast and Breezy

66°F

19°C

Humidity 28%
Wind Speed N 24 mph
Barometer 30.34 in (1026.9 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 9 Nov 9:56 am CST
Extended Forecast for

San Marcos TX

Wind Advisory November 9, 10:13am until November 9, 06:00pm
Red Flag Warning November 9, 10:13am until November 9, 09:00pm
Click here for hazard details and duration
Wind Advisory
Red Flag Warning
  •  
    Wind Advisory November 9, 10:13am until November 9, 06:00pm
    Red Flag Warning November 9, 10:13am until November 9, 09:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 70 °F

    Sunny and
    Breezy then
    Sunny

  • Tonight

    Tonight: Clear, with a low around 37. North wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 37 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 61. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 34. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 34 °F

    Clear

  • Veterans Day

    Veterans Day: Sunny, with a high near 72. South southwest wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 55. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 83 °F

    Sunny

  • Wednesday Night

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

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 70. Breezy, with a north wind 15 to 25 mph, with gusts as high as 40 mph.
Tonight
Clear, with a low around 37. North wind 10 to 15 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 61. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Clear, with a low around 34. Calm wind becoming south southwest around 5 mph after midnight.
Veterans Day
Sunny, with a high near 72. South southwest wind 5 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
Clear, with a low around 55. South wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 83. South wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 60. South wind around 5 mph.
Thursday
Sunny, with a high near 84. South wind 5 to 10 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Marcos TX
 29.88°N 97.94°W (Elev. 577 ft)
Last Update:
7:42 am CST Nov 9, 2025
Forecast Valid:
10am CST Nov 9, 2025-6pm CST Nov 15, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation