Heavy Rainfall Across Portions Of Gulf Coast States This Week

Abundant moisture will interact with a stalled front in the Gulf of Mexico this week to generate locally heavy rainfall across the Gulf Coast region. This activity will be bolstered mid-late week by remnants of Willa, currently in the eastern Pacific. This surge of moisture could bring widespread flood concerns to the region given the prolonged period of wet weather. Read More >

Hazardous Weather Conditions

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

60°F

16°C

Humidity 67%
Wind Speed NA
Barometer 30.23 in (1023.2 mb)
Dewpoint 49°F (9°C)
Visibility NA
Last update 22 Oct 10:56 am CDT
Extended Forecast for

San Marcos TX

  • Today

    Today: A 30 percent chance of showers after 1pm.  Cloudy, with a high near 64. North northeast wind around 5 mph.

    Chance
    Showers

    High: 64 °F

  • Tonight

    Tonight: Showers.  Low around 51. North northeast wind around 5 mph.  Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Showers

    Low: 51 °F

  • Tuesday

    Tuesday: A 50 percent chance of showers.  Cloudy, with a high near 61. North northeast wind around 10 mph.  New precipitation amounts between a quarter and half of an inch possible.

    Chance
    Showers

    High: 61 °F

  • Tuesday
    Night

    Tuesday Night: A 50 percent chance of showers.  Cloudy, with a low around 54. Northeast wind around 10 mph.

    Chance
    Showers

    Low: 54 °F

  • Wednesday

    Wednesday: Showers.  High near 60. North northeast wind around 10 mph.  Chance of precipitation is 80%.

    Showers

    High: 60 °F

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers.  Cloudy, with a low around 54. North wind around 10 mph.

    Chance
    Showers

    Low: 54 °F

  • Thursday

    Thursday: Mostly cloudy, with a high near 65. North wind around 10 mph.

    Mostly Cloudy

    High: 65 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 51. North wind 5 to 10 mph.

    Partly Cloudy

    Low: 51 °F

  • Friday

    Friday: Sunny, with a high near 70. North northwest wind around 5 mph becoming east in the afternoon.

    Sunny

    High: 70 °F

Detailed Forecast

Today
A 30 percent chance of showers after 1pm. Cloudy, with a high near 64. North northeast wind around 5 mph.
Tonight
Showers. Low around 51. North northeast wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
A 50 percent chance of showers. Cloudy, with a high near 61. North northeast wind around 10 mph. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
A 50 percent chance of showers. Cloudy, with a low around 54. Northeast wind around 10 mph.
Wednesday
Showers. High near 60. North northeast wind around 10 mph. Chance of precipitation is 80%.
Wednesday Night
A 30 percent chance of showers. Cloudy, with a low around 54. North wind around 10 mph.
Thursday
Mostly cloudy, with a high near 65. North wind around 10 mph.
Thursday Night
Partly cloudy, with a low around 51. North wind 5 to 10 mph.
Friday
Sunny, with a high near 70. North northwest wind around 5 mph becoming east in the afternoon.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 74.
Click Map For Forecast
Point Forecast:
San Marcos TX
 29.88°N 97.94°W (Elev. 577 ft)
5:42 am CDT Oct 22, 2018
11am CDT Oct 22, 2018-6pm CDT Oct 28, 2018
 
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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