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Above Average Temperatures in the West; Winter Weather Returns to the Upper Midwest and Great Lakes

Well above average temperatures will continue across the West this week, potentially breaking some daily high temperature records. A storm system dropping south out of Canada will bring a wintry mix to the Upper Midwest and Great Lakes Tuesday, pushing into the Central Appalachians and interior Northeast on Wednesday. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

50°F

10°C

Humidity 43%
Wind Speed SW 7 mph
Barometer 30.39 in (1029.0 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 12 Jan 8:56 pm CST
Extended Forecast for

Mountain City TX

  • Tonight

    Tonight: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 44. Calm wind becoming west around 5 mph after midnight.

    Low: 44 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers before noon. Mostly cloudy, with a high near 60. Southwest wind around 5 mph.

    High: 60 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42. Southwest wind around 5 mph.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69. West wind 5 to 10 mph becoming north 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 37. North wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 61. North northwest wind around 5 mph becoming south southwest in the afternoon.

    High: 61 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 39. South southeast wind around 5 mph becoming southwest after midnight.

    Low: 39 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 68. Southwest wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 39. North northeast wind 5 to 10 mph.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 44. Calm wind becoming west around 5 mph after midnight.
Tuesday
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 60. Southwest wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 42. Southwest wind around 5 mph.
Wednesday
Sunny, with a high near 69. West wind 5 to 10 mph becoming north 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Clear, with a low around 37. North wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 61. North northwest wind around 5 mph becoming south southwest in the afternoon.
Thursday Night
Clear, with a low around 39. South southeast wind around 5 mph becoming southwest after midnight.
Friday
Sunny, with a high near 68. Southwest wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 39. North northeast wind 5 to 10 mph.
Saturday
Sunny, with a high near 63.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 37.
M.L.King Day
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mountain City TX
 30.04°N 97.89°W (Elev. 837 ft)
Last Update:
5:42 pm CST Jan 12, 2026
Forecast Valid:
9pm CST Jan 12, 2026-6pm CST Jan 19, 2026
 
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