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

Winter Storm Bringing Widespread Hazardous Weather to the Eastern U.S.

A rapidly-intensifying winter storm continues to bring heavy snow, high winds, and blizzard conditions over the Upper Midwest and Great Lakes through today. An Arctic front will lead in a period of gusty to high winds and sharply colder temperatures over the entire eastern U.S. Heavy lake effect snow is then expected from Lakes Erie and Ontario through New Year's Day. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Overcast

45°F

7°C

Humidity 27%
Wind Speed N 12 G 24 mph
Barometer 30.50 in (1032.0 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 29 Dec 3:51 pm CST
Extended Forecast for

San Antonio TX

  • Tonight

    Tonight: Mostly cloudy, with a low around 43. North wind 5 to 10 mph.

    Low: 43 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 59. North northeast wind around 5 mph becoming calm in the afternoon.

    High: 59 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 65. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44. South southwest wind around 5 mph.

    Low: 44 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 72. South southwest wind 5 to 10 mph.

    High: 72 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. Southwest wind around 5 mph.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 84. West southwest wind 5 to 10 mph.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. West southwest wind around 5 mph becoming north after midnight.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 43. North wind 5 to 10 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 59. North northeast wind around 5 mph becoming calm in the afternoon.
Tuesday Night
Mostly clear, with a low around 39. Calm wind.
Wednesday
Sunny, with a high near 65. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 44. South southwest wind around 5 mph.
New Year's Day
Partly sunny, with a high near 72. South southwest wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 54. Southwest wind around 5 mph.
Friday
Sunny, with a high near 84. West southwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 56. West southwest wind around 5 mph becoming north after midnight.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Partly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TX
 29.44°N 98.5°W (Elev. 650 ft)
Last Update:
4:32 pm CST Dec 29, 2025
Forecast Valid:
4pm CST Dec 29, 2025-6pm CST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation