National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Excessive Rainfall and Severe Thunderstorms Friday

Heavy thunderstorms may bring areas of excessive rainfall and locally considerable flooding over parts of the Ozarks into the lower-Mississippi River Valley Friday and Saturday. Scattered severe thunderstorms may occur Friday from Montana into the central Plains, with hail and corridors of damaging winds possible. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fog/Mist

67°F

19°C

Humidity 100%
Wind Speed Calm
Barometer 29.92 in (1012.6 mb)
Dewpoint 67°F (19°C)
Visibility 2.50 mi
Last update 13 Jun 1:56 am CDT
Extended Forecast for

2 Miles WNW Martindale TX

  • Overnight

    Overnight: Mostly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Patchy fog before 9am. Otherwise, partly 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 and
    Patchy Fog

  • Friday Night

    Friday Night: 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 74. South southeast wind 5 to 10 mph.

    Low: 74 °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 74. South wind 5 to 10 mph.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 70. Calm wind.
Friday
A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 91. Heat index values as high as 105. South wind 5 to 10 mph.
Friday Night
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 74. 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 74. South wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 95.
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 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Martindale TX
 29.86°N 97.86°W (Elev. 554 ft)
Last Update:
1:48 am CDT Jun 13, 2025
Forecast Valid:
2am CDT Jun 13, 2025-6pm CDT Jun 19, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation