



Hot in Parts of the West; Cold Blast Coming to the Central U.S.
Hot to extremely hot temperatures are in place much of this week across parts of California and the interior Northwest U.S. A blast of cold air will drop across the central and eastern U.S. later this week bringing below to well below normal temperatures. Read More >
Current conditions at
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Fair
80°F
27°C
Humidity | 69% |
Wind Speed | N 5 mph |
Barometer | 30.01 in (1015.5 mb) |
Dewpoint | 69°F (21°C) |
Visibility | 10.00 mi |
Heat Index | 83°F (28°C) |
Last update | 1 Sep 10:56 pm CDT |
Extended Forecast for
Mountain City TX
Tonight
Low: 70 °F
Partly Cloudy
Tuesday
High: 93 °F
Mostly Sunny
Tuesday Night
Low: 69 °F
Mostly Clear
Wednesday
High: 97 °F
Sunny
Wednesday Night
Low: 66 °F
Mostly Clear
Thursday
High: 98 °F
Sunny
Thursday Night
Low: 70 °F
Partly Cloudy
Friday
High: 98 °F
Mostly Sunny
Friday Night
Low: 72 °F
Mostly Cloudy
Detailed Forecast
Tonight
Partly cloudy, with a low around 70. Calm wind.
Tuesday
Mostly sunny, with a high near 93. North northeast wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 69. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 97. West northwest wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 66. North northeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 98. Calm wind becoming southwest around 5 mph in the morning.
Thursday Night
Partly cloudy, with a low around 70. Southeast wind around 5 mph.
Friday
Mostly sunny, with a high near 98. South southwest wind 5 to 10 mph.
Friday Night
Mostly cloudy, with a low around 72. Southeast wind around 5 mph.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 94.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 69.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
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)
11:32 pm CDT Sep 1, 2025
11pm CDT Sep 1, 2025-6pm CDT Sep 8, 2025