Prolonged Extreme Cold; Eastern U.S. Winter Storm
Another Arctic blast will surge south across the northern Plains Thursday night, crossing the Midwest and reaching the Gulf Coast Friday night. Confidence continues to increase for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >
Current conditions at
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Fair
30°F
-1°C
| Humidity | 88% |
| Wind Speed | NW 5 mph |
| Barometer | 30.22 in (1023.3 mb) |
| Dewpoint | 27°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 25°F (-4°C) |
| Last update | 29 Jan 2:56 am CST |
Extended Forecast for
3 Miles NNW Luling TX
Overnight
Low: 27 °F
Partly Cloudy
Thursday
High: 68 °F
Mostly Sunny
Thursday Night
Low: 34 °F
Partly Cloudy
Friday
High: 57 °F
Partly Sunny
Friday Night
Low: 28 °F
Mostly Clear
Saturday
High: 45 °F
Sunny
Saturday Night
Low: 19 °F
Mostly Clear
Sunday
High: 54 °F
Sunny
Sunday Night
Low: 31 °F
Mostly Clear
Detailed Forecast
Overnight
Partly cloudy, with a low around 27. Calm wind.
Thursday
Mostly sunny, with a high near 68. Light west southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 34. West wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph.
Friday
Partly sunny, with a high near 57. North wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 28. North wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 45. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 19. North northeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 54. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 31. South wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 63.
Monday Night
Mostly cloudy, with a low around 48.
Tuesday
Mostly cloudy, with a high near 70.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 49.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 63.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles NNW Luling TX
29.73°N 97.65°W (Elev. 446 ft)
29.73°N 97.65°W (Elev. 446 ft)
3:46 am CST Jan 29, 2026
3am CST Jan 29, 2026-6pm CST Feb 4, 2026
Additional Resources
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