Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Heat Building in the Western U.S.

A cold front pressing east across the central U.S. will be the focus for areas of strong to severe thunderstorms and excessive rainfall through this weekend. Strong to severe thunderstorms my bring damaging winds, hail, and a few tornadoes while excessive rainfall may lead to areas of flooding. Heat will build across the western U.S. with heat-related watches, warnings, and advisories issued. Read More >

Hazardous Weather Conditions

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Partly Cloudy

75°F

24°C

Humidity 100%
Wind Speed NW 16 mph
Barometer 30.08 in (1018.0 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Last update 13 Jul 12:56 pm CDT
Extended Forecast for

Wimberley TX

Flood Watch July 13, 01:36pm until July 13, 07:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch July 13, 01:36pm until July 13, 07:00pm

    NOW until 7:00pm Sun

    Flood Watch

  • This Afternoon

    High: 88 °F

    T-storms
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then a slight chance of showers after 4am.  Mostly cloudy, with a low around 73. Southeast wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A slight chance of showers before 7am, then a chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 91. Heat index values as high as 102. Calm wind becoming south southwest around 5 mph in the morning.  Chance of precipitation is 40%.

    High: 91 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 73. Southeast wind around 5 mph.

    Low: 73 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm.  Partly sunny, with a high near 91. South wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    High: 91 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of thunderstorms before 7pm.  Mostly cloudy, with a low around 73. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 10%.

    Low: 73 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 93. South wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 93 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 72. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly before 4pm. Mostly cloudy, with a high near 88. South southwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 73. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Monday
A slight chance of showers before 7am, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Heat index values as high as 102. Calm wind becoming south southwest around 5 mph in the morning. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 73. Southeast wind around 5 mph.
Tuesday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 91. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of thunderstorms before 7pm. Mostly cloudy, with a low around 73. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 10%.
Wednesday
Mostly sunny, with a high near 93. South wind 5 to 10 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 72. South wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 93. South wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 71.
Friday
Mostly sunny, with a high near 93.
Friday Night
Partly cloudy, with a low around 73.
Saturday
Mostly sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Wimberley TX
 29.99°N 98.1°W (Elev. 817 ft)
12:44 pm CDT Jul 13, 2025
1pm CDT Jul 13, 2025-6pm CDT Jul 19, 2025
 
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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