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
31°F
-1°C
| Humidity | 92% |
| Wind Speed | NW 6 mph |
| Barometer | 30.25 in (1024.4 mb) |
| Dewpoint | 29°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 25°F (-4°C) |
| Last update | 29 Jan 12:56 am CST |
Extended Forecast for
5 Miles SSE Wimberley TX
Overnight
Low: 30 °F
Partly Cloudy
Thursday
High: 66 °F
Mostly Sunny
Thursday Night
Low: 34 °F
Partly Cloudy
Friday
High: 55 °F
Decreasing
CloudsFriday Night
Low: 28 °F
Mostly Clear
Saturday
High: 43 °F
Sunny
Saturday Night
Low: 19 °F
Mostly Clear
Sunday
High: 51 °F
Sunny
Sunday Night
Low: 32 °F
Mostly Clear
Detailed Forecast
Overnight
Partly cloudy, with a low around 30. Calm wind becoming southwest around 5 mph.
Thursday
Mostly sunny, with a high near 66. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 34. North wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 55. North wind 5 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 28. North wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 43. North northeast wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 19. Northeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 51. Light and variable wind becoming south southwest 5 to 10 mph in the morning.
Sunday Night
Mostly clear, with a low around 32. South wind around 5 mph becoming west after midnight.
Monday
Mostly sunny, with a high near 59.
Monday Night
Mostly cloudy, with a low around 46.
Tuesday
Mostly cloudy, with a high near 67.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 48.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 60.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
5 Miles SSE Wimberley TX
29.92°N 98.07°W (Elev. 1047 ft)
29.92°N 98.07°W (Elev. 1047 ft)
12:42 am CST Jan 29, 2026
1am CST Jan 29, 2026-6pm CST Feb 4, 2026
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