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

Winter Storm Bringing Widespread Hazardous Weather to the Eastern U.S.

A rapidly-intensifying winter storm continues to bring heavy snow, high winds, and blizzard conditions over the Upper Midwest and Great Lakes through today. An Arctic front will lead in a period of gusty to high winds and sharply colder temperatures over the entire eastern U.S. Heavy lake effect snow is then expected from Lakes Erie and Ontario through New Year's Day. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast

44°F

7°C

Humidity 40%
Wind Speed N 8 mph
Barometer 30.52 in (1033.4 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 29 Dec 6:56 pm CST
Extended Forecast for

Lockhart TX

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 58. North wind 5 to 10 mph.

    High: 58 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 66. Light west southwest wind becoming southwest 5 to 10 mph in the morning.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 39. South southwest wind around 5 mph.

    Low: 39 °F

    Mostly Clear

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 72. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 72 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. South southwest wind around 10 mph.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 84. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 51. Southwest wind 5 to 10 mph becoming north after midnight.

    Low: 51 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 36. North wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 58. North wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 31. Calm wind.
Wednesday
Sunny, with a high near 66. Light west southwest wind becoming southwest 5 to 10 mph in the morning.
Wednesday Night
Mostly clear, with a low around 39. South southwest wind around 5 mph.
New Year's Day
Partly sunny, with a high near 72. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 54. South southwest wind around 10 mph.
Friday
Sunny, with a high near 84. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Clear, with a low around 51. Southwest wind 5 to 10 mph becoming north after midnight.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Partly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lockhart TX
 29.88°N 97.68°W (Elev. 525 ft)
Last Update:
5:46 pm CST Dec 29, 2025
Forecast Valid:
7pm CST Dec 29, 2025-6pm CST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation