Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.
A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >
Current conditions at
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Overcast
45°F
7°C
| Humidity | 34% |
| Wind Speed | N 13 mph |
| Barometer | 30.53 in (1033.8 mb) |
| Dewpoint | 18°F (-8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 39°F (4°C) |
| Last update | 30 Dec 2:56 am CST |
Extended Forecast for
2 Miles SW Hays TX
Overnight
Low: 35 °F
Partly Cloudy
Tuesday
High: 57 °F
Sunny
Tuesday Night
Low: 32 °F
Mostly Clear
Wednesday
High: 67 °F
Sunny
Wednesday Night
Low: 41 °F
Partly Cloudy
New Year's Day
High: 73 °F
Partly Sunny
Thursday Night
Low: 55 °F
Partly Cloudy
Friday
High: 84 °F
Sunny
Friday Night
Low: 51 °F
Clear
Detailed Forecast
Overnight
Partly cloudy, with a low around 35. North wind around 10 mph.
Tuesday
Sunny, with a high near 57. North wind 5 to 10 mph becoming light north northeast in the afternoon.
Tuesday Night
Mostly clear, with a low around 32. Calm wind becoming west around 5 mph after midnight.
Wednesday
Sunny, with a high near 67. West wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 41. Southwest wind around 5 mph.
New Year's Day
Partly sunny, with a high near 73. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 55. South southwest wind around 10 mph.
Friday
Sunny, with a high near 84. West wind around 10 mph, with gusts as high as 25 mph.
Friday Night
Clear, with a low around 51. West wind around 5 mph becoming north after midnight.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Partly sunny, with a high near 76.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles SW Hays TX
30.09°N 97.89°W (Elev. 801 ft)
30.09°N 97.89°W (Elev. 801 ft)
12:46 am CST Dec 30, 2025
3am CST Dec 30, 2025-6pm CST Jan 5, 2026
Additional Resources
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