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

Severe Thunderstorms and Heavy Rainfall in the Central and Southern Plains

Severe thunderstorms capable of very large hail, damaging wind gusts, and a few tornadoes are possible today across parts of the central and southern Plains. Heavy rain will pose a threat for flash flooding across portions of central and coastal Texas. Thunderstorms may also cause isolated wind damage across the Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Mostly Cloudy

N/A

Humidity NA
Wind Speed S 6 mph
Barometer 29.95 in
Dewpoint N/A
Visibility 10.00 mi
Last update 28 May 4:56 pm CDT
Extended Forecast for

Wimberley TX

Severe T-storm Watch until May 28, 10:00pm
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch until May 28, 10:00pm

    NOW until 10:00pm Wed

    Severe T-storm Watch

  • This Afternoon

    High: 84 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 10pm. Some of the storms could be severe. Mostly cloudy, with a low around 68. East southeast wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Severe
    Thunderstorms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 91. Heat index values as high as 101. Calm wind becoming south around 5 mph in the afternoon.

    High: 91 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. East southeast wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Chance
    T-storms

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms before 1pm. Cloudy, with a high near 84. Calm wind becoming northeast around 5 mph in the morning.

    High: 84 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 67. Northeast wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 86. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 86 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 67. East wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84. Southeast wind around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Some of the storms could be severe. Mostly cloudy, with a low around 68. East 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 91. Heat index values as high as 101. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. East southeast wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of showers and thunderstorms before 1pm. Cloudy, with a high near 84. Calm wind becoming northeast around 5 mph in the morning.
Friday Night
Mostly cloudy, with a low around 67. Northeast wind around 5 mph becoming calm in the evening.
Saturday
Mostly cloudy, with a high near 86. Calm wind becoming east northeast around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 67. East wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 71.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
Tuesday Night
Mostly cloudy, with a low around 74.
Wednesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wimberley TX
 29.99°N 98.1°W (Elev. 817 ft)
Last Update:
5:44 pm CDT May 28, 2025
Forecast Valid:
5pm CDT May 28, 2025-6pm CDT Jun 4, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation