Frigid Cold in the East; Snow Continues in the Great Lakes

A frigid cold airmass will continue to bring colder weather across the eastern two thirds of the country early this week. Record low temperatures are expected to be tied or broken across the Southeast and Florida. Periods snow will continue downwind of the Great Lakes and in portions of interior New England through Tuesday afternoon, with several inches of snowfall accumulation expected. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

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

Fair

37°F

3°C

Humidity 59%
Wind Speed Calm
Barometer 30.40 in (1029.3 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 11 Nov 2:56 am CST
Detailed forecast for

Caldwell County

Rest Of Tonight
Clear. Lows in the lower 30s. South winds around 5 mph.
Tuesday
Sunny. Not as cool with highs in the lower 70s. South winds 15 to 20 mph with gusts up to 30 mph.
Tuesday Night
Clear. Not as cool with lows in the lower 50s. South winds 5 to 10 mph with gusts up to 20 mph.
Wednesday
Sunny. Not as cool with highs in the lower 80s. South winds 10 to 15 mph with gusts up to 25 mph.
Wednesday Night
Clear. Lows in the upper 50s. South winds 5 to 10 mph.
Thursday
Sunny. Highs in the mid 80s.
Thursday Night
Mostly clear. Lows in the lower 60s.
Friday And Friday Night
Partly cloudy. Highs in the mid 80s. Lows in the lower 60s.
Saturday
Mostly cloudy in the morning, then becoming partly cloudy. A slight chance of showers. Highs in the lower 80s.
Saturday Night
Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 60s. Chance of rain 30 percent.
Sunday
Mostly cloudy in the morning, then becoming partly cloudy. A slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs in the upper 70s. Chance of rain 40 percent.
Sunday Night
Partly cloudy. A slight chance of showers after midnight. Lows in the upper 50s.
Monday
Partly cloudy in the morning, then clearing. Highs in the upper 70s.



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1209 AM CST Tue Nov 11 2025
 
 

Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database