Current conditions at
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Overcast
67°F
19°C
| Humidity | 97% |
| Wind Speed | SE 13 mph |
| Barometer | 29.89 in (1011.4 mb) |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Last update | 14 Feb 5:56 am CST |
Extended Forecast for
Mountain City TX
Today

High: 74 °F
Showers
Tonight
Low: 54 °F
Slight Chance
Showers then
ClearSunday

High: 73 °F
Sunny
Sunday Night

Low: 46 °F
Mostly Clear
Washington's Birthday

High: 78 °F
Sunny
Monday Night

Low: 51 °F
Mostly Clear
Tuesday

High: 83 °F
Mostly Sunny
Tuesday Night

Low: 57 °F
Partly Cloudy
Wednesday

High: 83 °F
Partly Sunny
Detailed Forecast
Today
Showers likely, then showers and possibly a thunderstorm after 9am. High near 74. South southeast wind 10 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A 20 percent chance of showers before 9pm. Mostly cloudy, then gradually becoming clear, with a low around 54. West wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 73. North northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 46. North wind around 5 mph becoming calm in the evening.
Washington's Birthday
Sunny, with a high near 78. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 51. South southeast wind around 5 mph.
Tuesday
Mostly sunny, with a high near 83. South wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 57. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 83. South wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 59.
Thursday
Partly sunny, with a high near 84.
Thursday Night
Mostly cloudy, with a low around 57.
Friday
Partly sunny, with a high near 79.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Mountain City TX
30.04°N 97.89°W (Elev. 837 ft)
30.04°N 97.89°W (Elev. 837 ft)
5:42 am CST Feb 14, 2026
6am CST Feb 14, 2026-6pm CST Feb 20, 2026


