Areas of Excessive Rainfall and Severe Thunderstorms; Fire Weather Concerns in the Northern Plains and Four Corners Region

Widespread showers and thunderstorms may bring areas of flash flooding across much of the Southern Plains into the Gulf Coast region and the upper Ohio River Valley into the Mid-Atlantic. A large Pacific storm will bring widespread rain, gusty winds, and mountain snow to California and the Great Basin. Fire weather concerns expected in the Northern Plains and the Four Corners region. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

A Few Clouds

64°F

18°C

Humidity 96%
Wind Speed SW 6 mph
Barometer 29.85 in (1010.1 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 27 May 6:56 am CDT
Extended Forecast for

Wimberley TX

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 4pm.  Partly sunny, with a high near 82. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 82 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms, mainly between 9pm and 1am.  Mostly cloudy, with a low around 70. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 70 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly cloudy, then gradually becoming sunny, with a high near 87. Calm wind becoming east around 5 mph in the afternoon.

    High: 87 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 71. East southeast wind around 5 mph becoming calm  in the evening.

    Low: 71 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 90. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 90 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 73. South southeast wind around 5 mph becoming calm  in the evening.

    Low: 73 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 90. South wind around 5 mph.

    High: 90 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 70. South southeast wind around 5 mph.

    Low: 70 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 90. Calm wind becoming south southeast around 5 mph in the morning.

    High: 90 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 82. Calm wind becoming south southeast around 5 mph in the afternoon.
Tonight
A 20 percent chance of showers and thunderstorms, mainly between 9pm and 1am. Mostly cloudy, with a low around 70. Southeast wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 87. Calm wind becoming east around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 71. East southeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 90. Calm wind becoming south southeast around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 73. South southeast wind around 5 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 90. South wind around 5 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South southeast wind around 5 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. Calm wind becoming south southeast around 5 mph in the morning.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Wimberley TX
 29.99°N 98.13°W (Elev. 997 ft)
6:46 am CDT May 27, 2026
7am CDT May 27, 2026-6pm CDT Jun 2, 2026
 
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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