National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Two Storms Impacting the Northern U.S. Through Thanksgiving and into This Weekend

Heavy lake effect snow, gusty winds, and localized blizzard conditions will persist through Thanksgiving near and downwind of the Great Lakes. Rain and mountain snow are forecast for the Pacific Northwest. Confidence is increasing for another winter storm to develop over the northern and central Rockies Friday and track across the central Plains through the Midwest and Great Lakes this weekend. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast

53°F

12°C

Humidity 55%
Wind Speed Calm
Barometer 30.41 in (1029.6 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 27 Nov 10:56 pm CST
Extended Forecast for

Mountain City TX

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. Calm wind becoming east around 5 mph after midnight.

    Low: 47 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 3pm. Mostly cloudy, with a high near 66. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 66 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly between 9pm and 3am. Cloudy, with a low around 57. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 57 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 76. South wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 76 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 39. West southwest wind 5 to 10 mph becoming north 15 to 20 mph in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 40%.

    Low: 39 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, with a high near 51. North northeast wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 51 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after midnight. Cloudy, with a low around 34. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 34 °F

    Cloudy then
    Slight Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers before noon. Cloudy, with a high near 49. North northeast wind 5 to 10 mph.

    High: 49 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31. North wind around 5 mph.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 47. Calm wind becoming east around 5 mph after midnight.
Friday
A 20 percent chance of showers after 3pm. Mostly cloudy, with a high near 66. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Friday Night
Showers likely, mainly between 9pm and 3am. Cloudy, with a low around 57. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 76. South wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 39. West southwest wind 5 to 10 mph becoming north 15 to 20 mph in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 40%.
Sunday
Mostly cloudy, with a high near 51. North northeast wind 15 to 20 mph, with gusts as high as 35 mph.
Sunday Night
A 20 percent chance of showers after midnight. Cloudy, with a low around 34. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
A 30 percent chance of showers before noon. Cloudy, with a high near 49. North northeast wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 31. North wind around 5 mph.
Tuesday
Sunny, with a high near 55.
Tuesday Night
Mostly clear, with a low around 35.
Wednesday
Partly sunny, with a high near 64.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 48.
Thursday
A 30 percent chance of showers. Cloudy, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mountain City TX
 30.02°N 97.89°W (Elev. 797 ft)
Last Update:
11:28 pm CST Nov 27, 2025
Forecast Valid:
11pm CST Nov 27, 2025-6pm CST Dec 4, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation