Flash Flood Threat Shifts to Florida; Snowy in the Northern Plains; Fire Danger in the West

Showers and thunderstorms may produce flash flooding in northern and central Florida into Tuesday; and gusty winds and hail are also possible across the area Sunday. A strong cold front will bring below average temperatures and wintry precipitation to the northern High Plains. Elevated fire weather conditions are expected across parts of the Northwest and southern California. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast

57°F

14°C

Humidity 55%
Wind Speed N 14 mph
Barometer 30.11 in (1019.0 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 17 Apr 8:56 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
9pm 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