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Very Heavy Rainfall and High Risk Flood Event in the South-Central U.S.

Thunderstorms, some severe, will continue to produce tremendously heavy rainfall over the same areas through the day today. The area with the greatest potential for excessive rainfall includes Oklahoma, Arkansas, and Missouri. Very heavy rains will extend broadly from the Southern Plains to the Upper Midwest. Life threatening flash flooding is expected with these storms. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast and Breezy

66°F

19°C

Humidity 43%
Wind Speed N 24 G 30 mph
Barometer 29.83 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 29 Apr 11:15 pm CDT
Extended Forecast for

San Marcos TX

Wind Advisory until April 30, 01:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until April 30, 01:00am

    NOW until
    1:00am Sun

    Wind Advisory

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 55. North northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Slight Chance
    T-storms

    Low: 55 °F

  • Sunday

    Sunday: Sunny, with a high near 77. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Sunny

    High: 77 °F

  • Sunday
    Night

    Sunday Night: Clear, with a low around 49. Northwest wind 5 to 10 mph becoming light and variable  in the evening.

    Clear

    Low: 49 °F

  • Monday

    Monday: Sunny, with a high near 86. South southwest wind 5 to 10 mph.

    Sunny

    High: 86 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 60. South wind 5 to 10 mph.

    Mostly Clear

    Low: 60 °F

  • Tuesday

    Tuesday: Sunny, with a high near 88. South wind 5 to 10 mph.

    Sunny

    High: 88 °F

  • Tuesday
    Night

    Tuesday Night: A 20 percent chance of showers.  Mostly cloudy, with a low around 70. South southeast wind 5 to 10 mph.

    Slight Chance
    Showers

    Low: 70 °F

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 87. South wind 5 to 10 mph becoming west northwest in the afternoon.

    Chance
    T-storms

    High: 87 °F

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 55. North northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 77. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 49. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Monday
Sunny, with a high near 86. South southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 60. South wind 5 to 10 mph.
Tuesday
Sunny, with a high near 88. South wind 5 to 10 mph.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 70. South southeast wind 5 to 10 mph.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 87. South wind 5 to 10 mph becoming west northwest in the afternoon.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57. North wind around 10 mph.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 81.
Friday Night
Clear, with a low around 56.
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)
9:45 pm CDT Apr 29, 2017
11pm CDT Apr 29, 2017-6pm CDT May 6, 2017
 
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