National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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.

Fair

56°F

13°C

Humidity 75%
Wind Speed NA
Barometer NA
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 21 Oct 9:56 pm CDT
Extended Forecast for

San Marcos TX

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. North northeast wind around 5 mph.

    Mostly Cloudy

    Low: 52 °F

  • Monday

    Monday: Showers likely, mainly after 1pm. Cloudy, with a high near 63. North northeast wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Chance
    Showers then
    Showers
    Likely

    High: 63 °F

  • Monday
    Night

    Monday Night: Showers likely. Cloudy, with a low around 52. North northeast wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

    Showers
    Likely

    Low: 52 °F

  • Tuesday

    Tuesday: Showers likely. Cloudy, with a high near 59. North northeast wind 5 to 10 mph. Chance of precipitation is 60%.

    Showers
    Likely

    High: 59 °F

  • Tuesday
    Night

    Tuesday Night: Showers likely. Cloudy, with a low around 54. Northeast wind around 10 mph. Chance of precipitation is 60%.

    Showers
    Likely

    Low: 54 °F

  • Wednesday

    Wednesday: Showers. High near 61. North northeast wind around 10 mph. Chance of precipitation is 80%.

    Showers

    High: 61 °F

  • Wednesday
    Night

    Wednesday Night: A 50 percent chance of showers. Cloudy, with a low around 53. North wind around 10 mph.

    Chance
    Showers

    Low: 53 °F

  • Thursday

    Thursday: A 20 percent chance of showers. Mostly cloudy, with a high near 65. North wind around 10 mph.

    Slight Chance
    Showers

    High: 65 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 52. North northeast wind 5 to 10 mph.

    Partly Cloudy

    Low: 52 °F

Detailed Forecast

Tonight
Mostly cloudy, with a low around 52. North northeast wind around 5 mph.
Monday
Showers likely, mainly after 1pm. Cloudy, with a high near 63. North northeast wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Showers likely. Cloudy, with a low around 52. North northeast wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Showers likely. Cloudy, with a high near 59. North northeast wind 5 to 10 mph. Chance of precipitation is 60%.
Tuesday Night
Showers likely. Cloudy, with a low around 54. Northeast wind around 10 mph. Chance of precipitation is 60%.
Wednesday
Showers. High near 61. North northeast wind around 10 mph. Chance of precipitation is 80%.
Wednesday Night
A 50 percent chance of showers. Cloudy, with a low around 53. North wind around 10 mph.
Thursday
A 20 percent chance of showers. Mostly cloudy, with a high near 65. North wind around 10 mph.
Thursday Night
Partly cloudy, with a low around 52. North northeast wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 76.
Saturday Night
Clear, with a low around 54.
Sunday
Sunny, with a high near 72.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
San Marcos TX
 29.88°N 97.91°W (Elev. 597 ft)
Last Update:
9:05 pm CDT Oct 21, 2018
Forecast Valid:
10pm CDT Oct 21, 2018-6pm CDT Oct 28, 2018
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation