Widespread Showers Across the Eastern Half of the US; Severe Thunderstorms in Montana into the Plains

Widespread coverage of showers and thunderstorms across much of the central and eastern U.S., will produce areas of excessive rain in the northwest Gulf Coast, portions of the Mississippi Valley and the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast

82°F

28°C

Humidity 88%
Wind Speed S 8 mph
Barometer 29.95 in (1013.5 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 13 Jun 10:56 am CDT
Extended Forecast for

Martindale TX

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm.  Mostly sunny, with a high near 91. Heat index values as high as 105. South wind 5 to 10 mph.

    High: 91 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm.  Increasing clouds, with a low around 75. South southeast wind 5 to 10 mph.

    Low: 75 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 10am.  Mostly cloudy, then gradually becoming sunny, with a high near 93. Heat index values as high as 106. South wind 5 to 10 mph.

    High: 93 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 74. South southeast 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 75. South southeast wind 5 to 10 mph.

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 94. South wind 5 to 10 mph.

    High: 94 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. South southeast wind 5 to 10 mph.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 95. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 95 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Mostly sunny, with a high near 91. Heat index values as high as 105. South wind 5 to 10 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Increasing clouds, with a low around 75. South southeast wind 5 to 10 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 10am. Mostly cloudy, then gradually becoming sunny, with a high near 93. Heat index values as high as 106. South wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 74. South southeast 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 75. South southeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 94. South wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 75. South southeast wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 95. South wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Mostly sunny, with a high near 96.
Wednesday Night
Partly cloudy, with a low around 75.
Juneteenth
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
Martindale TX
 29.84°N 97.83°W (Elev. 502 ft)
7:42 am CDT Jun 13, 2025
11am CDT Jun 13, 2025-6pm CDT Jun 19, 2025
 
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Additional Resources

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Hourly Weather Forecast

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