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Severe Weather Expected in the Southern and Central U.S. on Tuesday

The NWS Storm Prediction Center has outlined an Enhanced Risk of severe weather for parts of the Mid-Mississippi River and Lower Ohio River Valleys on Tuesday. Large hail, damaging winds, and tornadoes are possible. Heavy rainfall in these regions will also increase the threat of flash flooding. There’s also an Extreme Risk for fire weather conditions in parts of Texas and New Mexico on Tuesday. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast

70°F

21°C

Humidity 88%
Wind Speed S 13 G 16 mph
Barometer 29.95 in
Dewpoint 66°F (19°C)
Visibility 8.00 mi
Last update 28 Feb 12:15 am CST
Extended Forecast for

San Marcos TX

  • Overnight

    Overnight: Patchy drizzle and fog after 3am.  Mostly cloudy, with a low around 66. South wind around 5 mph.

    Patchy
    Drizzle and
    Patchy Fog

    Low: 66 °F

  • Tuesday

    Tuesday: Patchy drizzle before 9am, then a slight chance of showers between 9am and noon, then a slight chance of showers and thunderstorms after noon.  Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 87. South wind 5 to 10 mph.  Chance of precipitation is 20%.

    Patchy
    Drizzle and
    Patchy Fog
    then Slight
    Chance
    T-storms

    High: 87 °F

  • Tuesday
    Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 62. South wind 5 to 10 mph becoming north northwest after midnight.

    Mostly Cloudy
    then Slight
    Chance
    T-storms

    Low: 62 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. North wind 5 to 15 mph.

    Mostly Sunny

    High: 72 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 44. North northeast wind 5 to 10 mph.

    Mostly Clear

    Low: 44 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 67. Northeast wind 5 to 10 mph.

    Mostly Sunny

    High: 67 °F

  • Thursday
    Night

    Thursday Night: Mostly cloudy, with a low around 44. Northeast wind around 5 mph.

    Mostly Cloudy

    Low: 44 °F

  • Friday

    Friday: Mostly cloudy, with a high near 64. East wind around 5 mph.

    Mostly Cloudy

    High: 64 °F

  • Friday
    Night

    Friday Night: Cloudy, with a low around 50. East southeast wind around 5 mph.

    Cloudy

    Low: 50 °F

Detailed Forecast

Overnight
Patchy drizzle and fog after 3am. Mostly cloudy, with a low around 66. South wind around 5 mph.
Tuesday
Patchy drizzle before 9am, then a slight chance of showers between 9am and noon, then a slight chance of showers and thunderstorms after noon. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 87. South wind 5 to 10 mph. Chance of precipitation is 20%.
Tuesday Night
A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 62. South wind 5 to 10 mph becoming north northwest after midnight.
Wednesday
Mostly sunny, with a high near 72. North wind 5 to 15 mph.
Wednesday Night
Mostly clear, with a low around 44. North northeast wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 67. Northeast wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 44. Northeast wind around 5 mph.
Friday
Mostly cloudy, with a high near 64. East wind around 5 mph.
Friday Night
Cloudy, with a low around 50. East southeast wind around 5 mph.
Saturday
A 40 percent chance of showers and thunderstorms. Cloudy, with a high near 67.
Saturday Night
A 30 percent chance of showers and thunderstorms. Cloudy, with a low around 57.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
Click Map For Forecast
Point Forecast:
San Marcos TX
 29.88°N 97.94°W (Elev. 577 ft)
10:42 pm CST Feb 27, 2017
12am CST Feb 28, 2017-6pm CST Mar 5, 2017
 
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