Heavy Snow for the North-Central U.S.; Bitter Cold and a Second Storm to Follow

Heavy snow will develop overnight in the Dakotas and move into northern Minnesota on Thursday. Light sleet and freezing rain accumulations will be possible south of the area of heavy snow from South Dakota into central Minnesota. Bitter cold temperatures will follow this weekend along with another storm impacting the Pacific Northwest starting Friday then moving down the Rockies through Monday. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Mostly Cloudy

22°C

72°F

Humidity 94%
Wind Speed SE 7 km/h
Barometer 1014.8 mb (30.00 in)
Dewpoint 21°C (70°F)
Visibility 16 km
Last update 22 Oct 12:56 am CDT
Extended Forecast for

San Marcos TX

  • Overnight

    Overnight: Mostly cloudy, with a low around 21. South southeast wind around 10 km/h.

    Mostly Cloudy

    Low: 21 °C

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 30. Southeast wind 10 to 15 km/h.

    Gradual
    Clearing

    High: 30 °C

  • Thursday
    Night

    Thursday Night: Increasing clouds, with a low around 20. Southeast wind 10 to 15 km/h.

    Increasing
    Clouds

    Low: 20 °C

  • Friday

    Friday: Partly sunny, with a high near 30. South southeast wind 5 to 10 km/h becoming northeast in the afternoon.

    Partly Sunny

    High: 30 °C

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 14. North wind 15 to 20 km/h.

    Partly Cloudy

    Low: 14 °C

  • Saturday

    Saturday: Mostly sunny, with a high near 26. North wind 10 to 15 km/h becoming east southeast in the afternoon.

    Mostly Sunny

    High: 26 °C

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 18. South wind 5 to 10 km/h.

    Mostly Clear

    Low: 18 °C

  • Sunday

    Sunday: Mostly sunny, with a high near 31. South wind 15 to 20 km/h, with gusts as high as 40 km/h.

    Mostly Sunny

    High: 31 °C

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 19. South southeast wind 10 to 15 km/h.

    Partly Cloudy

    Low: 19 °C

Detailed Forecast

Overnight
Mostly cloudy, with a low around 21. South southeast wind around 10 km/h.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 30. Southeast wind 10 to 15 km/h.
Thursday Night
Increasing clouds, with a low around 20. Southeast wind 10 to 15 km/h.
Friday
Partly sunny, with a high near 30. South southeast wind 5 to 10 km/h becoming northeast in the afternoon.
Friday Night
Partly cloudy, with a low around 14. North wind 15 to 20 km/h.
Saturday
Mostly sunny, with a high near 26. North wind 10 to 15 km/h becoming east southeast in the afternoon.
Saturday Night
Mostly clear, with a low around 18. South wind 5 to 10 km/h.
Sunday
Mostly sunny, with a high near 31. South wind 15 to 20 km/h, with gusts as high as 40 km/h.
Sunday Night
Partly cloudy, with a low around 19. South southeast wind 10 to 15 km/h.
Monday
A 20 percent chance of showers. Mostly cloudy, with a high near 24.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 10.
Tuesday
A 40 percent chance of showers. Mostly cloudy, with a high near 14.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 8.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 16.
Click Map For Forecast
Point Forecast:
San Marcos TX
 29.88°N 97.94°W (Elev. 176 m)
4:19 pm CDT Oct 21, 2020
2am CDT Oct 22, 2020-6pm CDT Oct 28, 2020
 
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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