Heavy Rain and Flooding Threat in the Ohio Valley

Gulf moisture will combine with a cold front and will bring heavy rain and scattered flash flooding over parts of the Mid-South into the Ohio Valley through the morning and the Ohio Valley and Central Appalachians on Tuesday. Showers and thunderstorms, some severe, are expected over the Southern Rockies/Southern High Plains on Tuesday. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

A Few Clouds

79°F

26°C

Humidity 62%
Wind Speed SE 6 mph
Barometer 29.97 in (1014.2 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 6 Oct 10:56 pm CDT
Extended Forecast for

Niederwald TX

  • Tonight

    Tonight: Partly cloudy, with a low around 70. Southeast wind around 5 mph becoming calm.

    Low: 70 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 92 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 72. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 72 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 92. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 92 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68. Northeast wind 5 to 10 mph.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 91. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64. East northeast wind 5 to 10 mph.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90. Northeast wind 5 to 10 mph.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 61. East northeast wind around 5 mph becoming calm  in the evening.

    Low: 61 °F

    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 70. Southeast wind around 5 mph becoming calm.
Tuesday
Mostly sunny, with a high near 92. Calm wind becoming east northeast around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 72. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 92. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 68. Northeast wind 5 to 10 mph.
Thursday
Sunny, with a high near 91. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 64. East northeast wind 5 to 10 mph.
Friday
Sunny, with a high near 90. Northeast wind 5 to 10 mph.
Friday Night
Clear, with a low around 61. East northeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 91.
Saturday Night
Clear, with a low around 62.
Sunday
Sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 65.
Columbus Day
Sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Niederwald TX
 30.02°N 97.73°W (Elev. 614 ft)
11:32 pm CDT Oct 6, 2025
11pm CDT Oct 6, 2025-6pm CDT Oct 13, 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