


Hazardous Weather Conditions
Current conditions at
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
A Few Clouds
80°F
27°C
Humidity | 79% |
Wind Speed | E 8 mph |
Barometer | 30.01 in (1015.5 mb) |
Dewpoint | 73°F (23°C) |
Visibility | 10.00 mi |
Heat Index | 84°F (29°C) |
Last update | 13 Jul 5:56 pm CDT |
Extended Forecast for
Mountain City TX
Flood Watch July 13, 06:53pm until July 14, 09:00am
NOW until 9:00am Mon
Flood Watch
Tonight
Low: 73 °F
Chance
T-stormsMonday
High: 91 °F
Slight Chance
Showers then
Chance
T-stormsMonday Night
Low: 74 °F
Mostly Cloudy
Tuesday
High: 92 °F
Mostly Cloudy
then Slight
Chance
T-stormsTuesday Night
Low: 74 °F
Mostly Cloudy
Wednesday
High: 93 °F
Mostly Sunny
Wednesday Night
Low: 72 °F
Mostly Clear
Thursday
High: 94 °F
Mostly Sunny
Detailed Forecast
Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 73. East wind 5 to 10 mph becoming south after midnight. Chance of precipitation is 30%.
Monday
A slight chance of showers before 7am, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Heat index values as high as 102. South wind around 5 mph. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 74. South wind around 5 mph.
Tuesday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 92. Heat index values as high as 102. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 74. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 93. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 72. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 94. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 71. South southeast wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 93.
Friday Night
Partly cloudy, with a low around 74.
Saturday
Mostly sunny, with a high near 94.
Saturday Night
Partly cloudy, with a low around 75.
Sunday
Mostly sunny, with a high near 95.
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)
6:44 pm CDT Jul 13, 2025
6pm CDT Jul 13, 2025-6pm CDT Jul 20, 2025