Heavy to Excessive Rainfall and Flooding Threats in the Central and Eastern U.S.; Heat and Fire Weather Concerns in the West

Thunderstorms producing excessive rainfall and potential flooding concerns will continue through tonight from the Southern Plains to the East Coast. Areas of greatest concern for flooding are over central Texas and the Mid-Atlantic. Heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue through Monday. Read More >

Hazardous Weather Conditions

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

83°F

28°C

Humidity 74%
Wind Speed N 5 mph
Barometer 30.00 in (1015.2 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 13 Jul 3:56 pm CDT
Extended Forecast for

Wimberley TX

Flood Watch July 13, 04:50pm until July 13, 07:00pm
Click here for hazard details and duration
...
  •  
    Flood Watch July 13, 04:50pm until July 13, 07:00pm

    NOW until 7:00pm Sun

    Flood Watch

  • Tonight

    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. Heat index values as high as 101. 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

  • Thursday

    Thursday: Mostly sunny, with a high near 93. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 93 °F

    Mostly Sunny

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 73. East 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. Heat index values as high as 101. 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. Southeast wind around 5 mph.
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.
Saturday Night
Partly cloudy, with a low around 74.
Sunday
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)
4:44 pm CDT Jul 13, 2025
4pm CDT Jul 13, 2025-6pm CDT Jul 20, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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