Heavy Rain and Mountain Snow in the West; Severe Thunderstorms Across the Upper Ohio Valley and Southern New England

Gusty winds, high elevation snow and valley rain continues to impact portions of California and the Pacific Northwest. Isolated instances of flash flooding may be possible. Widespread severe thunderstorms will develop across the Upper Ohio Valley into southern New England Sunday. The main threats will be damaging winds however, large hail and a few tornadoes can’t be ruled out. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast

66°F

19°C

Humidity 96%
Wind Speed SE 5 mph
Barometer 30.06 in (1017.3 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 14 Apr 7:56 am CDT
Extended Forecast for

4 Miles SSW San Marcos TX

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 84. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Decreasing
    Clouds

    High: 84 °F

  • Tonight

    Tonight: Increasing clouds, with a low around 66. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Increasing
    Clouds

    Low: 66 °F

  • Monday

    Monday: Mostly cloudy, with a high near 83. South wind 10 to 20 mph, with gusts as high as 30 mph.

    Mostly Cloudy

    High: 83 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 68. South southeast wind 15 to 20 mph, with gusts as high as 30 mph.

    Mostly Cloudy

    Low: 68 °F

  • Tuesday

    Tuesday: A 20 percent chance of showers before 1pm.  Mostly cloudy, with a high near 87. South wind around 10 mph, with gusts as high as 20 mph.

    Slight Chance
    Showers

    High: 87 °F

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around 67. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Mostly Cloudy

    Low: 67 °F

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 88. South southwest wind 5 to 15 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.

    Mostly Cloudy

    High: 88 °F

  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, with a low around 68. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Mostly Cloudy

    Low: 68 °F

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 89. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Mostly Cloudy
    then Slight
    Chance
    T-storms

    High: 89 °F

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 84. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 66. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
Mostly cloudy, with a high near 83. South wind 10 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 68. South southeast wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 87. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 67. South southeast wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly cloudy, with a high near 88. South southwest wind 5 to 15 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 68. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 66.
Friday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81.
Click Map For Forecast
Point Forecast:
4 Miles SSW San Marcos TX
 29.83°N 97.94°W (Elev. 610 ft)
6:44 am CDT Apr 14, 2024
8am CDT Apr 14, 2024-6pm CDT Apr 20, 2024
 
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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