Storm Impacting the Southwest U.S.; Above Normal Temperatures Further East

A storm system will shift across the southwest U.S. through Thursday with widespread showers and isolated thunderstorms. Isolated flooding is possible. High-elevation snow is also expected in parts of Nevada and the southern Sierra Nevada range. East of this storm, above average temperatures will challenge or break daily record high temperatures this week in the southern Plains and southeast U.S. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast

75°F

24°C

Humidity 84%
Wind Speed S 13 mph
Barometer 30.03 in (1016.0 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 18 Nov 8:56 am CST
Extended Forecast for

Martindale TX

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 85. South wind 5 to 10 mph.

    High: 85 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: A slight chance of drizzle after midnight.  Increasing clouds, with a low around 67. South southeast wind around 5 mph.

    Low: 67 °F

    Partly Cloudy
    then Slight
    Chance
    Drizzle

  • Wednesday

    Wednesday: A chance of drizzle before noon, then a slight chance of showers after noon.  Mostly cloudy, with a high near 84. South southeast wind 5 to 10 mph.  Chance of precipitation is 20%.

    High: 84 °F

    Chance
    Drizzle

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after midnight.  Mostly cloudy, with a low around 68. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 9am.  Mostly cloudy, with a high near 79. South southeast wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 70%.

    High: 79 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 63. Southeast wind 5 to 10 mph becoming west after midnight.  Chance of precipitation is 70%.

    Low: 63 °F

    Showers
    Likely

  • Friday

    Friday: A 40 percent chance of showers before noon.  Mostly sunny, with a high near 81. West northwest wind 5 to 10 mph.

    High: 81 °F

    Chance
    Showers then
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. North wind around 5 mph.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers.  Mostly sunny, with a high near 75. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 75 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 85. South wind 5 to 10 mph.
Tonight
A slight chance of drizzle after midnight. Increasing clouds, with a low around 67. South southeast wind around 5 mph.
Wednesday
A chance of drizzle before noon, then a slight chance of showers after noon. Mostly cloudy, with a high near 84. South southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 68. South southeast wind around 10 mph, with gusts as high as 20 mph.
Thursday
Showers likely, with thunderstorms also possible after 9am. Mostly cloudy, with a high near 79. South southeast wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 63. Southeast wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 70%.
Friday
A 40 percent chance of showers before noon. Mostly sunny, with a high near 81. West northwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 56. North wind around 5 mph.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 75. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A 30 percent chance of showers, mainly after midnight. Partly cloudy, with a low around 53.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 73.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 56.
Monday
A 40 percent chance of showers. Partly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Martindale TX
 29.86°N 97.86°W (Elev. 554 ft)
9:14 am CST Nov 18, 2025
9am CST Nov 18, 2025-6pm CST Nov 24, 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