Storm Tracking Across the Plains; Powerful Pacific System is Approaching

Some heavy rain and possible flash flooding may affect the Central Plains through Thursday. Meanwhile, wintry weather conditions will spread through portions of Central and Northern Plains. A powerful storm system is forecast to approach the Pacific Northwest, then spreading inland and down through California through the end of this week. A series of storms will impact Alaska into the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast

N/A

Humidity NA
Wind Speed S 6 mph
Barometer NA
Dewpoint N/A
Visibility 8.00 mi
Last update 8 Dec 5:56 am CST
Extended Forecast for

San Marcos TX

  • Today

    Today: Partly sunny, with a high near 80. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Partly Sunny

    High: 80 °F

  • Tonight

    Tonight: Increasing clouds, with a low around 64. South wind around 5 mph.

    Increasing
    Clouds

    Low: 64 °F

  • Friday

    Friday: Partly sunny, with a high near 77. South wind 5 to 10 mph.

    Partly Sunny

    High: 77 °F

  • Friday
    Night

    Friday Night: Increasing clouds, with a low around 66. South wind 5 to 10 mph.

    Increasing
    Clouds

    Low: 66 °F

  • Saturday

    Saturday: A 20 percent chance of showers after noon.  Patchy fog between 8am and 11am.  Otherwise, mostly cloudy, with a high near 78. South wind 5 to 10 mph becoming east southeast in the afternoon.

    Patchy Fog
    then Slight
    Chance
    Showers

    High: 78 °F

  • Saturday
    Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after midnight.  Mostly cloudy, with a low around 61. Calm wind becoming north northeast around 5 mph after midnight.

    Slight Chance
    T-storms then
    Chance
    Showers

    Low: 61 °F

  • Sunday

    Sunday: A 20 percent chance of showers before noon.  Mostly cloudy, with a high near 73. North northeast wind around 5 mph.

    Slight Chance
    Showers then
    Partly Sunny

    High: 73 °F

  • Sunday
    Night

    Sunday Night: Mostly cloudy, with a low around 61. East northeast wind around 5 mph becoming south southeast after midnight.

    Mostly Cloudy

    Low: 61 °F

  • Monday

    Monday: Mostly cloudy, with a high near 76. South wind 5 to 15 mph, with gusts as high as 20 mph.

    Mostly Cloudy

    High: 76 °F

Detailed Forecast

Today
Partly sunny, with a high near 80. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 64. South wind around 5 mph.
Friday
Partly sunny, with a high near 77. South wind 5 to 10 mph.
Friday Night
Increasing clouds, with a low around 66. South wind 5 to 10 mph.
Saturday
A 20 percent chance of showers after noon. Patchy fog between 8am and 11am. Otherwise, mostly cloudy, with a high near 78. South wind 5 to 10 mph becoming east southeast in the afternoon.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 61. Calm wind becoming north northeast around 5 mph after midnight.
Sunday
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 73. North northeast wind around 5 mph.
Sunday Night
Mostly cloudy, with a low around 61. East northeast wind around 5 mph becoming south southeast after midnight.
Monday
Mostly cloudy, with a high near 76. South wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
A 20 percent chance of showers after midnight. Cloudy, with a low around 64.
Tuesday
A 30 percent chance of showers. Mostly cloudy, with a high near 73.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 64.
Click Map For Forecast
Point Forecast:
San Marcos TX
 29.9°N 97.91°W (Elev. 640 ft)
5:16 am CST Dec 8, 2022
6am CST Dec 8, 2022-6pm CST Dec 14, 2022
 
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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