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Heavy Snowfall expected over the Intermountain West and the Great Lakes

A series of storm systems will bring heavy snowfall to much of the Intermountain West through the weekend. Snow will also spread onto the northern Plains with travel difficulties possible. Heavy Lake Effect snow will continue in favored locations downwind of the Great Lakes with western New York picking up storm total amounts of 2 to 3 feet. Read More >

Hazardous Weather Conditions

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

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

Mostly Cloudy



Humidity 75%
Wind Speed NE 3 mph
Barometer 30.52 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 9 Dec 7:55 pm CST
Detailed forecast for

Caldwell County

Partly cloudy until early morning then becoming mostly cloudy. Lows in the mid 30s. East winds 5 mph.
Cloudy. Highs in the lower 50s. Southeast winds 5 mph.
Saturday Night
Warmer. Cloudy with a 20 percent chance of showers. Patchy fog. Near steady temperature in the lower 50s. South winds 5 to 10 mph.
Warmer. Mostly cloudy with a 20 percent chance of showers. Highs in the upper 60s. Southwest winds 10 to 15 mph.
Sunday Night
Partly cloudy. Lows in the upper 50s. Southwest winds 5 to 10 mph.
Monday Through Tuesday Night
Partly cloudy. Highs in the lower 70s. Lows in the lower 50s.
Wednesday And Wednesday Night
Partly cloudy. Highs in the mid 60s. Lows in the upper 30s.
Cooler. Partly cloudy. Highs around 50.
Thursday Night And Friday
Mostly cloudy with a 20 percent chance of showers. Lows in the upper 30s. Highs in the mid 50s.

Click Map For Forecast
251 PM CST FRI DEC 9 2016

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database