Winter Storm in the Central Appalachians through the Northeast; Heavy Snow in the Great Basin and Rockies

A winter storm will impact the central Appalachians to the Northeast through the night. Accumulating snow is expected for interior New England and the northern Mid-Atlantic. Scattered showers and occasional thunderstorms will persist across Florida and the Southeast coast. Locally heavy mountain snow is expected in the Great Basin and Rockies over the next couple of days. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

49°F

9°C

Humidity 44%
Wind Speed Vrbl 7 mph
Barometer 30.19 in (1022.4 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 2 Dec 11:56 am CST
Extended Forecast for

6 Miles NW San Marcos TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 57. North northeast wind around 5 mph becoming southeast.

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 36. Southeast wind around 5 mph becoming south southwest after midnight.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 64. South wind 5 to 10 mph.

    High: 64 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 46. Light and variable wind becoming north 10 to 15 mph after midnight. Winds could gust as high as 20 mph.

    Low: 46 °F

    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers.  Cloudy, with a high near 51. North wind around 15 mph, with gusts as high as 30 mph.

    High: 51 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers.  Cloudy, with a low around 39. North wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 39 °F

    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers before noon.  Cloudy, with a high near 53. North wind around 5 mph becoming east southeast in the afternoon.

    High: 53 °F

    Slight Chance
    Showers then
    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42. Calm wind becoming west around 5 mph after midnight.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 68. Southwest wind 5 to 10 mph.

    High: 68 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 57. North northeast wind around 5 mph becoming southeast.
Tonight
Mostly clear, with a low around 36. Southeast wind around 5 mph becoming south southwest after midnight.
Wednesday
Partly sunny, with a high near 64. South wind 5 to 10 mph.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 46. Light and variable wind becoming north 10 to 15 mph after midnight. Winds could gust as high as 20 mph.
Thursday
A 40 percent chance of showers. Cloudy, with a high near 51. North wind around 15 mph, with gusts as high as 30 mph.
Thursday Night
A 40 percent chance of showers. Cloudy, with a low around 39. North wind 5 to 10 mph, with gusts as high as 25 mph.
Friday
A 20 percent chance of showers before noon. Cloudy, with a high near 53. North wind around 5 mph becoming east southeast in the afternoon.
Friday Night
Mostly cloudy, with a low around 42. Calm wind becoming west around 5 mph after midnight.
Saturday
Mostly sunny, with a high near 68. Southwest wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Sunny, with a high near 71.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW San Marcos TX
 29.95°N 98.02°W (Elev. 935 ft)
11:46 am CST Dec 2, 2025
12pm CST Dec 2, 2025-6pm CST Dec 8, 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