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

Hazardous Weather Conditions

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast

70°F

21°C

Humidity 79%
Wind Speed S 16 mph
Barometer 29.71 in (1005.2 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 15 Mar 4:56 am CDT
Extended Forecast for

3 Miles NW Driftwood TX

Wind Advisory March 15, 03:00pm until March 16, 05:00am
Red Flag Warning March 15, 12:00pm until March 16, 08:00pm
Click here for hazard details and duration
Wind Advisory
Red Flag Warning

  • Today

    Today: Cloudy through mid morning, then gradual clearing, with a high near 93. South wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 93 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 37. Breezy, with a north wind 20 to 25 mph, with gusts as high as 45 mph.

    Low: 37 °F

    Mostly Clear
    and Breezy

  • Monday

    Monday: Mostly sunny, with a high near 55. North wind around 15 mph, with gusts as high as 35 mph.

    High: 55 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32. North northeast wind around 5 mph becoming calm in the evening.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 65. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 44. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 77. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. South wind around 5 mph.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83. South southwest wind 5 to 10 mph.

    High: 83 °F

    Sunny

Detailed Forecast

Today
Cloudy through mid morning, then gradual clearing, with a high near 93. South wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.
Tonight
Mostly clear, with a low around 37. Breezy, with a north wind 20 to 25 mph, with gusts as high as 45 mph.
Monday
Mostly sunny, with a high near 55. North wind around 15 mph, with gusts as high as 35 mph.
Monday Night
Mostly cloudy, with a low around 32. North northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 65. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 44. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 77. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 51. South wind around 5 mph.
Thursday
Sunny, with a high near 83. South southwest wind 5 to 10 mph.
Thursday Night
Clear, with a low around 55.
Friday
Sunny, with a high near 90.
Friday Night
Clear, with a low around 58.
Saturday
Sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Driftwood TX
 30.15°N 98.05°W (Elev. 1056 ft)
Last Update:
5:34 am CDT Mar 15, 2026
Forecast Valid:
5am CDT Mar 15, 2026-6pm CDT Mar 21, 2026
 
Forecast Discussion
 
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