Severe Thunderstorms and Heavy Rain in the Southern U.S.; Snow in the Northern Rockies and Northern Plains

A storm system will shift from eastern Texas into the lower Mississippi Valley today with additional threats of severe thunderstorms and heavy to excessive rainfall which may bring flooding. In the northern U.S., a storm will bring heavy snow and gusty winds over parts of the northern Rockies, northern Plains, and Upper Midwest today into Wednesday. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Rain

66°F

19°C

Humidity 93%
Wind Speed NW 13 mph
Barometer 29.86 in (1010.6 mb)
Dewpoint 64°F (18°C)
Visibility 2.00 mi
Last update 24 Nov 1:56 pm CST
Extended Forecast for

Mountain City TX

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms after 3pm.  Mostly cloudy, with a high near 79. West wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Showers
    Likely

  • Tonight

    Tonight: Mostly clear, with a low around 50. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. North northwest wind around 5 mph becoming northeast in the afternoon.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48. North wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64. North northeast wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 38. North northeast wind around 5 mph.

    Low: 38 °F

    Mostly Clear

  • Thanksgiving Day

    Thanksgiving Day: Sunny, with a high near 66. East northeast wind around 5 mph.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44. East wind around 5 mph.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 69. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 69 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 79. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Mostly clear, with a low around 50. West northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 79. North northwest wind around 5 mph becoming northeast in the afternoon.
Tuesday Night
Mostly clear, with a low around 48. North wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 64. North northeast wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 38. North northeast wind around 5 mph.
Thanksgiving Day
Sunny, with a high near 66. East northeast wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 44. East wind around 5 mph.
Friday
Mostly cloudy, with a high near 69. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Friday Night
A 30 percent chance of showers. Cloudy, with a low around 58.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 67.
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)
1:44 pm CST Nov 24, 2025
2pm CST Nov 24, 2025-6pm CST Nov 30, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database