Excessive Rainfall in the Southern Plains into the Lower Mississippi and Upper Midwest

Heavy thunderstorms will continue to produce areas of excessive rainfall and locally considerable flooding over parts of the southern Plains into the mid-Mississippi River Valley through Saturday. Heavy to excessive rainfall may bring flash and urban flooding, along with isolated riverine flooding across portions of the Upper Midwest, mainly over central Minnesota. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Mostly Cloudy

70°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 29.96 in (1013.7 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 12 Jun 8:56 am CDT
Extended Forecast for

5 Miles SSE Wimberley TX

Flood Watch June 12, 09:56am until June 12, 07:00pm
Flood Advisory until June 12, 10:00am
Click here for hazard details and duration
Flood Watch
...
  •  
    Flood Watch June 12, 09:56am until June 12, 07:00pm
    Flood Advisory until June 12, 10:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 86 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Tonight

    Tonight: Increasing clouds, with a low around 72. South wind around 5 mph.

    Low: 72 °F

    Increasing
    Clouds

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 10am.  Mostly cloudy, then gradually becoming sunny, with a high near 91. Heat index values as high as 105. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 91 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Increasing clouds, with a low around 74. South southeast wind around 10 mph.

    Low: 74 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 93. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 93 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 74. South wind 5 to 10 mph.

    Low: 74 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 93. South wind 5 to 10 mph.

    High: 93 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 73. South southeast wind 5 to 10 mph.

    Low: 73 °F

    Partly Cloudy

Detailed Forecast

Today
Showers and thunderstorms likely, mainly before 10am. Partly sunny, with a high near 86. South wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Increasing clouds, with a low around 72. South wind around 5 mph.
Friday
A 20 percent chance of showers and thunderstorms after 10am. Mostly cloudy, then gradually becoming sunny, with a high near 91. Heat index values as high as 105. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Increasing clouds, with a low around 74. South southeast wind around 10 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. South wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 74. South wind 5 to 10 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. South wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 73. South southeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 93. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Sunny, with a high near 95.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Wimberley TX
 29.92°N 98.07°W (Elev. 1047 ft)
6:42 am CDT Jun 12, 2025
9am CDT Jun 12, 2025-6pm CDT Jun 18, 2025
 
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