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Current conditions at
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Overcast
91°F
33°C
| Humidity | 59% |
| Wind Speed | S 9 mph |
| Barometer | 29.95 in (1013.6 mb) |
| Dewpoint | 75°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 102°F (39°C) |
| Last update | 12 Oct 2:56 pm CDT |
Extended Forecast for
2 Miles SSE Mountain City TX
Columbus Day
High: 91 °F
Chance
T-stormsTonight
Low: 75 °F
Chance
T-storms then
Mostly CloudyTuesday
High: 94 °F
Decreasing
CloudsTuesday Night
Low: 75 °F
Increasing
CloudsWednesday
High: 92 °F
Chance
ShowersWednesday Night
Low: 68 °F
Partly Cloudy
Thursday
High: 90 °F
Mostly Sunny
Thursday Night
Low: 65 °F
Mostly Clear
Friday
High: 81 °F
Mostly Sunny
Detailed Forecast
Columbus Day
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 91. Heat index values as high as 100. South wind around 10 mph, with gusts as high as 20 mph.
Tonight
A 30 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 75. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 94. Heat index values as high as 101. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Increasing clouds, with a low around 75. South southeast wind around 10 mph, with gusts as high as 25 mph.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 92. South wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 68. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 90. South southeast wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 65. East southeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 81. North northeast wind 15 to 20 mph, with gusts as high as 35 mph.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Sunny, with a high near 79.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles SSE Mountain City TX
30.02°N 97.89°W (Elev. 797 ft)
30.02°N 97.89°W (Elev. 797 ft)
2:44 pm CDT Oct 12, 2026
3pm CDT Oct 12, 2026-6pm CDT Oct 18, 2026
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