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Heavy Snowfall expected over the Intermountain West and the Great Lakes

A series of storm systems will bring heavy snowfall to much of the Intermountain West through the weekend. Snow will also spread onto the northern Plains with travel difficulties possible. Heavy Lake Effect snow will continue in favored locations downwind of the Great Lakes with western New York picking up storm total amounts of 2 to 3 feet. Read More >

Hazardous Weather Conditions

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast

36°F

2°C

Humidity 52%
Wind Speed N 13 mph
Barometer 30.65 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 9 Dec 9:48 am CST
Extended Forecast for

San Marcos TX

  • Today

    Today: Mostly sunny, with a high near 46. North northeast wind 5 to 10 mph.

    Mostly Sunny

    High: 46 °F

  • Tonight

    Tonight: Partly cloudy, with a low around 34. East northeast wind around 5 mph becoming calm  in the evening.

    Partly Cloudy

    Low: 34 °F

  • Saturday

    Saturday: Partly sunny, with a high near 51. Calm wind becoming southeast around 5 mph in the morning.

    Partly Sunny

    High: 51 °F

  • Saturday
    Night

    Saturday Night: A 20 percent chance of showers.  Mostly cloudy, with a low around 49. Southeast wind around 5 mph becoming south southwest after midnight.

    Slight Chance
    Showers

    Low: 49 °F

  • Sunday

    Sunday: A 20 percent chance of showers.  Partly sunny, with a high near 67. South southwest wind 5 to 10 mph.

    Slight Chance
    Showers

    High: 67 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 55. Southwest wind 5 to 10 mph.

    Partly Cloudy

    Low: 55 °F

  • Monday

    Monday: Mostly sunny, with a high near 70. West wind around 5 mph becoming northeast in the afternoon.

    Mostly Sunny

    High: 70 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 51. East northeast wind around 5 mph becoming northwest after midnight.

    Partly Cloudy

    Low: 51 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 71. Northwest wind around 5 mph becoming south southwest in the afternoon.

    Mostly Sunny

    High: 71 °F

Detailed Forecast

Today
Mostly sunny, with a high near 46. North northeast wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 34. East northeast wind around 5 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 51. Calm wind becoming southeast around 5 mph in the morning.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 49. Southeast wind around 5 mph becoming south southwest after midnight.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 67. South southwest wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 55. Southwest wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 70. West wind around 5 mph becoming northeast in the afternoon.
Monday Night
Partly cloudy, with a low around 51. East northeast wind around 5 mph becoming northwest after midnight.
Tuesday
Mostly sunny, with a high near 71. Northwest wind around 5 mph becoming south southwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 54.
Click Map For Forecast
Point Forecast:
San Marcos TX
 29.88°N 97.94°W (Elev. 577 ft)
9:04 am CST Dec 9, 2016
10am CST Dec 9, 2016-6pm CST Dec 15, 2016
 
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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