
Another Arctic Blast in the East; Eastern U.S. Winter Storm
A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >
Hazardous Weather Conditions
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Fair
37°F
3°C
| Humidity | 79% |
| Wind Speed | NE 10 mph |
| Barometer | 30.44 in (1030.7 mb) |
| Dewpoint | 31°F (-1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 30°F (-1°C) |
| Last update | 31 Jan 2:56 am CST |
San Marcos TX
NOW until 10:00am Sat

Cold Weather Advisory
Overnight

Low: 29 °F
Clear
Saturday

High: 46 °F
Sunny
Saturday Night

Low: 24 °F
Clear
Sunday

High: 57 °F
Sunny
Sunday Night

Low: 37 °F
Mostly Clear
Monday

High: 65 °F
Mostly Cloudy
Monday Night

Low: 56 °F
Mostly Cloudy
Tuesday

High: 74 °F
Mostly Cloudy
Detailed Forecast
Additional Forecasts and Information
ABOUT THIS FORECAST
29.88°N 97.94°W (Elev. 577 ft)



