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Winter storm conditions possible for parts of Central Plains on Saturday

Widespread precipitation, including heavy snow, will push farther east on Saturday east across the central and southern Rockies. Snow will extend from the Rockies into the central High Plains by late Saturday, spreading farther east on Sunday, with moderate to heavy snows and gusty winds expected across portions of South Dakota and Minnesota by the end of the weekend. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fog/Mist

50°F

10°C

Humidity 96%
Wind Speed SW 7 mph
Barometer 30.07 in (1017.9 mb)
Dewpoint 49°F (9°C)
Visibility 1.00 mi
Wind Chill47°F (8°C)
Last update 20 Jan 2:56 am CST
Extended Forecast for

San Marcos TX

Dense Fog Advisory until January 20, 11:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until January 20, 11:00am

    NOW until
    11:00am Sat

    Dense Fog Advisory

  • Overnight

    Overnight: Areas of dense fog.  Otherwise, cloudy, with a low around 46. Southwest wind around 5 mph.

    Areas Dense
    Fog

    Low: 46 °F

  • Saturday

    Saturday: Areas of dense fog before noon.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 70. South wind 5 to 15 mph.

    Areas Dense
    Fog then
    Sunny

    High: 70 °F

  • Saturday
    Night

    Saturday Night: A 20 percent chance of showers.  Areas of fog after midnight.  Otherwise, increasing clouds, with a low around 57. South wind 5 to 10 mph.

    Slight Chance
    Showers and
    Areas Fog

    Low: 57 °F

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after noon.  Mostly cloudy, with a high near 72. South wind 5 to 15 mph.  Chance of precipitation is 50%.

    Chance
    Showers

    High: 72 °F

  • Sunday
    Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 45. South southwest wind 5 to 10 mph becoming west northwest after midnight.

    Slight Chance
    T-storms then
    Mostly Clear

    Low: 45 °F

  • Monday

    Monday: Sunny, with a high near 65. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Sunny

    High: 65 °F

  • Monday
    Night

    Monday Night: Clear, with a low around 35. North northwest wind 5 to 10 mph.

    Clear

    Low: 35 °F

  • Tuesday

    Tuesday: Sunny, with a high near 66. North northwest wind 5 to 10 mph becoming east in the afternoon.

    Sunny

    High: 66 °F

Detailed Forecast

Overnight
Areas of dense fog. Otherwise, cloudy, with a low around 46. Southwest wind around 5 mph.
Saturday
Areas of dense fog before noon. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 70. South wind 5 to 15 mph.
Saturday Night
A 20 percent chance of showers. Areas of fog after midnight. Otherwise, increasing clouds, with a low around 57. South wind 5 to 10 mph.
Sunday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 72. South wind 5 to 15 mph. Chance of precipitation is 50%.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 45. South southwest wind 5 to 10 mph becoming west northwest after midnight.
Monday
Sunny, with a high near 65. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Clear, with a low around 35. North northwest wind 5 to 10 mph.
Tuesday
Sunny, with a high near 66. North northwest wind 5 to 10 mph becoming east in the afternoon.
Tuesday Night
Partly cloudy, with a low around 37. East northeast wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 44.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 67.
Click Map For Forecast
Point Forecast:
San Marcos TX
 29.9°N 97.91°W (Elev. 640 ft)
3:29 am CST Jan 20, 2018
3am CST Jan 20, 2018-6pm CST Jan 26, 2018
 
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