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

Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

A Few Clouds

58°F

14°C

Humidity 16%
Wind Speed Vrbl 6 mph
Barometer 30.43 in (1029.5 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 30 Dec 1:51 pm CST
Extended Forecast for

San Antonio International Airport TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 58. Calm wind.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 66. Calm wind becoming west southwest around 5 mph in the morning.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43. Southwest wind around 5 mph.

    Low: 43 °F

    Mostly Clear

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 73. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 73 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55. South southwest wind around 5 mph.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 84. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 53. West wind around 5 mph becoming north after midnight.

    Low: 53 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 76. North wind around 5 mph becoming east in the afternoon.

    High: 76 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 58. Calm wind.
Tonight
Mostly clear, with a low around 34. Calm wind.
Wednesday
Sunny, with a high near 66. Calm wind becoming west southwest around 5 mph in the morning.
Wednesday Night
Mostly clear, with a low around 43. Southwest wind around 5 mph.
New Year's Day
Mostly sunny, with a high near 73. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 55. South southwest wind around 5 mph.
Friday
Sunny, with a high near 84. West wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Clear, with a low around 53. West wind around 5 mph becoming north after midnight.
Saturday
Sunny, with a high near 76. North wind around 5 mph becoming east in the afternoon.
Saturday Night
Clear, with a low around 51.
Sunday
Sunny, with a high near 76.
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 International Airport TX
 29.55°N 98.46°W (Elev. 751 ft)
Last Update:
12:44 pm CST Dec 30, 2025
Forecast Valid:
2pm CST Dec 30, 2025-6pm CST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

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