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.

Fair

76°F

24°C

Humidity 88%
Wind Speed Calm
Barometer 29.88 in (1011.4 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 12 Jun 4:56 pm CDT
Extended Forecast for

Lockhart TX

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 81. South southeast wind around 5 mph.

    High: 81 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm.  Partly cloudy, with a low around 71. South southeast wind around 5 mph.

    Low: 71 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms between 1pm and 4pm.  Patchy fog before 9am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 92. Heat index values as high as 106. South wind 5 to 10 mph.  Chance of precipitation is 30%.

    High: 92 °F

    Patchy Fog
    then Chance
    T-storms

  • Friday Night

    Friday Night: Increasing clouds, with a low around 75. South southeast wind 5 to 10 mph.

    Low: 75 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A slight chance of showers, with thunderstorms also possible after 10am.  Mostly sunny, with a high near 94. South wind 5 to 10 mph.  Chance of precipitation is 20%.

    High: 94 °F

    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 94. South wind 5 to 10 mph.

    High: 94 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

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

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 95. South wind 5 to 10 mph.

    High: 95 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. South southeast wind around 5 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 71. South southeast wind around 5 mph.
Friday
A chance of showers and thunderstorms between 1pm and 4pm. Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 92. Heat index values as high as 106. South wind 5 to 10 mph. Chance of precipitation is 30%.
Friday Night
Increasing clouds, with a low around 75. South southeast wind 5 to 10 mph.
Saturday
A slight chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 94. South wind 5 to 10 mph. Chance of precipitation is 20%.
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 94. South wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 74. South southeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 95. South wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Mostly sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Mostly sunny, with a high near 95.
Wednesday Night
Partly cloudy, with a low around 75.
Juneteenth
A chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Lockhart TX
 29.88°N 97.68°W (Elev. 525 ft)
4:42 pm CDT Jun 12, 2025
5pm CDT Jun 12, 2025-6pm CDT Jun 19, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database