Severe Thunderstorm Threat Over The Eastern U.S., Critical Fire Weather Likely Over The Southwest

A cold front will bring the threat for scattered strong to severe thunderstorms from the Mid Atlantic to New England into Saturday morning. Some of the storms could produce damaging winds and locally heavy rainfall. Dangerously hot and dry conditions will persist over the Desert Southwest this weekend. Critical fire weather conditions likely. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

77°F

25°C

Humidity 62%
Wind Speed NE 8 mph
Barometer 30.14 in (1019.8 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 30 May 9:56 am CDT
Extended Forecast for

2 Miles WNW San Marcos TX

  • Today

    Today: Mostly sunny, with a high near 87. East northeast wind around 10 mph.

    Mostly Sunny

    High: 87 °F

  • Tonight

    Tonight: Partly cloudy, with a low around 66. East northeast wind 5 to 10 mph.

    Partly Cloudy

    Low: 66 °F

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly cloudy, with a high near 85. North northeast wind 5 to 10 mph becoming east in the afternoon.

    Chance
    T-storms

    High: 85 °F

  • Sunday
    Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 67. East wind around 5 mph becoming north northeast after midnight.

    Slight Chance
    T-storms

    Low: 67 °F

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 86. Northeast wind 5 to 10 mph becoming east southeast in the afternoon.

    Chance
    T-storms

    High: 86 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 68. Southeast wind 5 to 10 mph becoming light south southeast  in the evening.

    Mostly Cloudy

    Low: 68 °F

  • Tuesday

    Tuesday: Partly sunny, with a high near 89. Southeast wind 5 to 10 mph.

    Partly Sunny

    High: 89 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 68. South southeast wind 5 to 10 mph.

    Partly Cloudy

    Low: 68 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 90. Southeast wind 5 to 10 mph.

    Mostly Sunny

    High: 90 °F

Detailed Forecast

Today
Mostly sunny, with a high near 87. East northeast wind around 10 mph.
Tonight
Partly cloudy, with a low around 66. East northeast wind 5 to 10 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 85. North northeast wind 5 to 10 mph becoming east in the afternoon.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 67. East wind around 5 mph becoming north northeast after midnight.
Monday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 86. Northeast wind 5 to 10 mph becoming east southeast in the afternoon.
Monday Night
Mostly cloudy, with a low around 68. Southeast wind 5 to 10 mph becoming light south southeast in the evening.
Tuesday
Partly sunny, with a high near 89. Southeast wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 68. South southeast wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 90. Southeast wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
Mostly sunny, with a high near 91.
Thursday Night
Partly cloudy, with a low around 70.
Friday
Mostly sunny, with a high near 92.
Click Map For Forecast
Point Forecast:
2 Miles WNW San Marcos TX
 29.88°N 97.94°W (Elev. 577 ft)
3:05 am CDT May 30, 2020
10am CDT May 30, 2020-6pm CDT Jun 5, 2020
 
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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