Central Gulf Coast Flash Flood Threat Lingers; Snowy in the Central Rockies; Fire Danger in Northwest Oregon

Showers and thunderstorms may produce localized flash flooding along a lingering front in the central Gulf Coast. An upper level system will produce up to a foot of heavy snow across southwest Colorado Rockies. Dry, offshore winds will produce near-record temperatures and critical fire weather threats in northwestern Oregon. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Mostly Cloudy

61°F

16°C

Humidity 46%
Wind Speed N 18 mph
Barometer 30.06 in (1017.2 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 17 Apr 6:56 pm CDT
Extended Forecast for

San Marcos TX

  • Tonight

    Tonight: Partly cloudy, with a low around 49. North wind 5 to 15 mph, with gusts as high as 20 mph.

    Partly Cloudy

    Low: 49 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 68. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Mostly Sunny

    High: 68 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 49. Northeast wind 5 to 10 mph.

    Partly Cloudy

    Low: 49 °F

  • Monday

    Monday: Partly sunny, with a high near 72. North wind 5 to 10 mph becoming east in the afternoon.

    Partly Sunny

    High: 72 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 50. East southeast wind 5 to 10 mph becoming south southwest after midnight.

    Partly Cloudy

    Low: 50 °F

  • Tuesday

    Tuesday: Sunny, with a high near 80. West southwest wind around 5 mph becoming north northwest in the afternoon.

    Sunny

    High: 80 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 43. North northeast wind 15 to 20 mph, with gusts as high as 25 mph.

    Mostly Clear

    Low: 43 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. North northeast wind around 15 mph, with gusts as high as 20 mph.

    Mostly Sunny

    High: 72 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 50. East wind 10 to 15 mph.

    Partly Cloudy

    Low: 50 °F

Detailed Forecast

Tonight
Partly cloudy, with a low around 49. North wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 68. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 49. Northeast wind 5 to 10 mph.
Monday
Partly sunny, with a high near 72. North wind 5 to 10 mph becoming east in the afternoon.
Monday Night
Partly cloudy, with a low around 50. East southeast wind 5 to 10 mph becoming south southwest after midnight.
Tuesday
Sunny, with a high near 80. West southwest wind around 5 mph becoming north northwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 43. North northeast wind 15 to 20 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 72. North northeast wind around 15 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 50. East wind 10 to 15 mph.
Thursday
Mostly cloudy, with a high near 75.
Thursday Night
A 20 percent chance of showers and thunderstorms. Cloudy, with a low around 63.
Friday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Saturday
Sunny, with a high near 83.
Click Map For Forecast
Point Forecast:
San Marcos TX
 29.88°N 97.94°W (Elev. 577 ft)
1:34 pm CDT Apr 17, 2021
7pm CDT Apr 17, 2021-6pm CDT Apr 24, 2021
 
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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