Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East; Severe Storm Threat in the Gulf States Sunday

A significant winter storm is underway, bringing widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Extremely cold air will follow, prolonging dangerous travel and infrastructure impacts into next week. Severe thunderstorms may produce damaging gusts and tornadoes across the eastern Gulf Coast states Sunday morning and afternoon. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fog/Mist

30°F

-1°C

Humidity 92%
Wind Speed NE 12 G 17 mph
Barometer 29.95 in (1014.7 mb)
Dewpoint 28°F (-2°C)
Visibility 3.00 mi
Wind Chill20°F (-7°C)
Last update 25 Jan 1:56 am CST
Extended Forecast for

2 Miles SSE Mountain City TX

Extreme Cold Warning until January 26, 12:00pm
Ice Storm Warning until January 25, 12:00pm
Click here for hazard details and duration
Extreme Cold Warning
Ice Storm Warning
  •  
    Extreme Cold Warning until January 26, 12:00pm
    Ice Storm Warning until January 25, 12:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 19 °F

    Wintry Mix

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 29. North northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 29 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 15. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 15 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 34. North wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 34 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 11. North wind around 5 mph becoming calm  in the evening.

    Low: 11 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46. Calm wind becoming south southwest around 5 mph in the morning.

    High: 46 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23. Calm wind becoming west northwest around 5 mph after midnight.

    Low: 23 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 47. North northwest wind around 5 mph.

    High: 47 °F

    Sunny

Detailed Forecast

Overnight
Freezing rain and sleet, mainly before 3am. Low around 19. North northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Total nighttime ice accumulation of 0.1 to 0.2 of an inch possible. Total nighttime sleet accumulation of less than a half inch possible.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 29. North northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 15. North wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 34. North wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 11. North wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 46. Calm wind becoming south southwest around 5 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 23. Calm wind becoming west northwest around 5 mph after midnight.
Wednesday
Sunny, with a high near 47. North northwest wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 23. North wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 53.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 36.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 51.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 29.
Saturday
Mostly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Mountain City TX
 30.02°N 97.89°W (Elev. 797 ft)
2:34 am CST Jan 25, 2026
2am CST Jan 25, 2026-6pm CST Jan 31, 2026
 
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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