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Severe weather threat shifts east into Mississippi Valley on Wednesday

The National Weather Service Storm Prediction Center expects an enhanced risk of severe weather on Wednesday. The area of greatest concern is from central Missouri through Arkansas into eastern Texas and Louisiana. In this area, damaging winds, very large hail and isolated tornadoes are all possible. Read More >

Hazardous Weather Conditions

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

82°F

28°C

Humidity 25%
Wind Speed W 13 G 18 mph
Barometer 29.75 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 29 Mar 5:47 pm CDT
Extended Forecast for

San Marcos TX

  • Tonight

    Tonight: Mostly clear, with a low around 52. West southwest wind 5 to 15 mph becoming north northwest after midnight.

    Mostly Clear

    Low: 52 °F

  • Thursday

    Thursday: Sunny, with a high near 83. West northwest wind 5 to 10 mph.

    Sunny

    High: 83 °F

  • Thursday
    Night

    Thursday Night: Clear, with a low around 55. South southwest wind around 5 mph.

    Clear

    Low: 55 °F

  • Friday

    Friday: Sunny, with a high near 87. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Sunny

    High: 87 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 64. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Mostly Clear

    Low: 64 °F

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 83. South southeast wind around 10 mph.

    Chance
    T-storms

    High: 83 °F

  • Saturday
    Night

    Saturday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 66. Southeast wind 5 to 10 mph.

    Chance
    T-storms

    Low: 66 °F

  • Sunday

    Sunday: Showers and thunderstorms likely.  Mostly cloudy, with a high near 78. East southeast wind 5 to 10 mph becoming north northwest in the afternoon.  Chance of precipitation is 70%.

    T-storms
    Likely

    High: 78 °F

  • Sunday
    Night

    Sunday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 55. Northwest wind 5 to 10 mph.

    Slight Chance
    T-storms

    Low: 55 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 52. West southwest wind 5 to 15 mph becoming north northwest after midnight.
Thursday
Sunny, with a high near 83. West northwest wind 5 to 10 mph.
Thursday Night
Clear, with a low around 55. South southwest wind around 5 mph.
Friday
Sunny, with a high near 87. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 64. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. South southeast wind around 10 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Southeast wind 5 to 10 mph.
Sunday
Showers and thunderstorms likely. Mostly cloudy, with a high near 78. East southeast wind 5 to 10 mph becoming north northwest in the afternoon. Chance of precipitation is 70%.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 55. Northwest wind 5 to 10 mph.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 82.
Click Map For Forecast
Point Forecast:
San Marcos TX
 29.88°N 97.94°W (Elev. 577 ft)
2:36 pm CDT Mar 29, 2017
5pm CDT Mar 29, 2017-6pm CDT Apr 5, 2017
 
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