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

Lingering Winter Weather in Interior New England; Snow Squalls Developing Downwind of the Lower Great Lakes

A wintry mix will continue in interior New England through tonight as a coastal storm quickly passes to the east. Heavy snow is expected in northern Maine, with a coating of ice expected for much of interior New England. Behind this storm system, lake effect snow and snow squalls will develop from the Ohio Valley to interior New England through Monday. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

62°F

17°C

Humidity 18%
Wind Speed N 10 mph
Barometer 30.52 in (1033.5 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 11 Jan 2:56 pm CST
Extended Forecast for

San Marcos Municipal Airport TX

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 63. North northeast wind 5 to 10 mph.

    High: 63 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. Northeast wind around 5 mph becoming calm in the evening.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 62. Calm wind becoming east northeast around 5 mph.

    High: 62 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers after midnight. Increasing clouds, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 60. Calm wind becoming west southwest around 5 mph in the morning.

    High: 60 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42. Southwest wind around 5 mph.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70. West wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 37. North wind 5 to 10 mph.

    Low: 37 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 63. North wind around 5 mph becoming south in the afternoon.

    High: 63 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 63. North northeast wind 5 to 10 mph.
Tonight
Mostly cloudy, with a low around 38. Northeast wind around 5 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 62. Calm wind becoming east northeast around 5 mph.
Monday Night
A 20 percent chance of showers after midnight. Increasing clouds, with a low around 43. Calm wind.
Tuesday
Mostly cloudy, with a high near 60. Calm wind becoming west southwest around 5 mph in the morning.
Tuesday Night
Mostly clear, with a low around 42. Southwest wind around 5 mph.
Wednesday
Sunny, with a high near 70. West wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
Clear, with a low around 37. North wind 5 to 10 mph.
Thursday
Sunny, with a high near 63. North wind around 5 mph becoming south in the afternoon.
Thursday Night
Clear, with a low around 39.
Friday
Sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Partly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Marcos Municipal Airport TX
 29.88°N 97.86°W (Elev. 600 ft)
Last Update:
1:44 pm CST Jan 11, 2026
Forecast Valid:
3pm CST Jan 11, 2026-6pm CST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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