Tropical System in the Gulf of Mexico; Excessive Rainfall and Severe Storm Potential for the Plains

A tropical system in the Gulf of Mexico is forecast to track southward and away from Florida; However, this system will enhance rainfall potential across South Florida through Friday. Meanwhile, heavy to excessive rainfall and severe thunderstorms are expected for portions of the Plains. For the Great Lakes, Northeast and Mid-Atlantic, new daily record high temperatures are expected later Friday. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

69°F

21°C

Humidity 100%
Wind Speed SE 5 mph
Barometer 29.92 in (1012.0 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 2 Jun 2:56 am CDT
Extended Forecast for

San Marcos TX

  • Overnight

    Overnight: Mostly cloudy, with a low around 68. South southeast wind around 5 mph.

    Mostly Cloudy

    Low: 68 °F

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 90. South southeast wind 5 to 10 mph.

    Decreasing
    Clouds

    High: 90 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 66. Southeast wind 5 to 10 mph becoming west after midnight.

    Mostly Clear

    Low: 66 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 90. Light and variable wind becoming south southeast 5 to 10 mph in the morning.

    Mostly Sunny

    High: 90 °F

  • Saturday
    Night

    Saturday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 68. Southeast wind 5 to 10 mph becoming southwest after midnight.

    Slight Chance
    T-storms

    Low: 68 °F

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after 1pm.  Partly sunny, with a high near 88. Light and variable wind becoming east 5 to 10 mph in the morning.

    Chance
    T-storms

    High: 88 °F

  • Sunday
    Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, with a low around 66. Northeast wind 5 to 10 mph.

    Chance
    T-storms

    Low: 66 °F

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 85. North northwest wind 5 to 10 mph becoming southeast in the afternoon.

    Chance
    T-storms

    High: 85 °F

  • Monday
    Night

    Monday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 66. East wind around 5 mph becoming south after midnight.

    Slight Chance
    T-storms

    Low: 66 °F

Detailed Forecast

Overnight
Mostly cloudy, with a low around 68. South southeast wind around 5 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 90. South southeast wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 66. Southeast wind 5 to 10 mph becoming west after midnight.
Saturday
Mostly sunny, with a high near 90. Light and variable wind becoming south southeast 5 to 10 mph in the morning.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Southeast wind 5 to 10 mph becoming southwest after midnight.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 88. Light and variable wind becoming east 5 to 10 mph in the morning.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 66. Northeast wind 5 to 10 mph.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. North northwest wind 5 to 10 mph becoming southeast in the afternoon.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. East wind around 5 mph becoming south after midnight.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Click Map For Forecast
Point Forecast:
San Marcos TX
 29.88°N 97.94°W (Elev. 577 ft)
2:32 am CDT Jun 2, 2023
3am CDT Jun 2, 2023-6pm CDT Jun 8, 2023
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database