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

Hazardous Weather Conditions

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

59°F

15°C

Humidity 41%
Wind Speed N 13 mph
Barometer 30.01 in (1016.1 mb)
Dewpoint 35°F (2°C)
Visibility NA
Last update 18 Jan 11:56 am CST
Extended Forecast for

Mountain City TX

Cold Weather Advisory January 19, 12:00am until January 19, 09:00am
Click here for hazard details and duration
Cold Weather Advisory

  • This Afternoon

    This Afternoon: Sunny, with a high near 60. North wind around 10 mph, with gusts as high as 20 mph.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 28. North wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 28 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 42. North wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 42 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 20. Northeast wind 5 to 10 mph.

    Low: 20 °F

    Clear

  • M.L.King Day

    M.L.King Day: Partly sunny, with a high near 38. East wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 38 °F

    Partly Sunny

  • Monday Night

    Monday Night: Snow and sleet likely, mainly after midnight. Cloudy, with a low around 25. North northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 25 °F

    Snow/Sleet
    Likely

  • Tuesday

    Tuesday: A chance of snow and sleet before noon. Mostly cloudy, with a high near 34. North wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 34 °F

    Chance
    Snow/Sleet
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 17. North wind around 5 mph becoming west southwest after midnight.

    Low: 17 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 43. South wind 5 to 10 mph.

    High: 43 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 60. North wind around 10 mph, with gusts as high as 20 mph.
Tonight
Clear, with a low around 28. North wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 42. North wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Clear, with a low around 20. Northeast wind 5 to 10 mph.
M.L.King Day
Partly sunny, with a high near 38. East wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Snow and sleet likely, mainly after midnight. Cloudy, with a low around 25. North northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Tuesday
A chance of snow and sleet before noon. Mostly cloudy, with a high near 34. North wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Tuesday Night
Mostly clear, with a low around 17. North wind around 5 mph becoming west southwest after midnight.
Wednesday
Mostly sunny, with a high near 43. South wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
Partly sunny, with a high near 49.
Thursday Night
Partly cloudy, with a low around 29.
Friday
Sunny, with a high near 53.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Mountain City TX
 30.04°N 97.89°W (Elev. 837 ft)
Last Update:
11:42 am CST Jan 18, 2025
Forecast Valid:
12pm CST Jan 18, 2025-6pm CST Jan 24, 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