Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89° N Lon: 97.86° W Elev: 597 ft.

Fair

38°F

3°C

Humidity 43%
Wind Speed N 12 mph
Barometer 30.55 in (1034.4 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 11 Jan 1:56 am CST
Detailed forecast for

Caldwell County

Rest Of Tonight
Mostly cloudy. Lows in the mid 30s. North winds 5 to 10 mph.
Sunday
Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 60s. North winds 5 to 10 mph with gusts up to 20 mph.
Sunday Night
Mostly cloudy. Lows in the upper 30s. Northeast winds around 5 mph in the evening, becoming light and variable.
Monday
Mostly cloudy. Highs in the lower 60s. Northeast winds around 5 mph.
Monday Night
Mostly cloudy. Lows in the mid 40s. Light and variable winds.
Tuesday
Mostly cloudy with a slight chance of showers. Highs in the lower 60s.
Tuesday Night
Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 40s.
Wednesday And Wednesday Night
Clear. Highs in the lower 70s. Lows in the upper 30s.
Thursday And Thursday Night
Clear. Highs in the mid 60s. Lows in the lower 40s.
Friday
Mostly sunny. Highs around 70.
Friday Night
Partly cloudy. Lows in the lower 40s.
Saturday
Mostly cloudy. Much cooler with highs in the mid 50s.



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1155 PM CST Sat Jan 10 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database