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, Stinson Municipal Airport (KSSF)

Lat: 29.34°NLon: 98.47°WElev: 574ft.

Fair

56°F

13°C

Humidity 18%
Wind Speed N 6 mph
Barometer 30.46 in (1031.6 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Last update 30 Dec 12:53 pm CST
Extended Forecast for

San Antonio, Stinson Municipal Airport TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 58. North wind around 5 mph becoming calm.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 68. Calm wind becoming west southwest around 5 mph in the morning.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43. South southwest wind around 5 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Clear

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 75. Light west southwest wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 75 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53. South southwest wind around 5 mph.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 85. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 85 °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 77. North wind around 5 mph becoming east in the afternoon.

    High: 77 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 58. North wind around 5 mph becoming calm.
Tonight
Mostly clear, with a low around 33. Calm wind.
Wednesday
Sunny, with a high near 68. Calm wind becoming west southwest around 5 mph in the morning.
Wednesday Night
Mostly clear, with a low around 43. South southwest wind around 5 mph becoming calm in the evening.
New Year's Day
Mostly sunny, with a high near 75. Light west southwest wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 53. South southwest wind around 5 mph.
Friday
Sunny, with a high near 85. West southwest 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 77. North wind around 5 mph becoming east in the afternoon.
Saturday Night
Clear, with a low around 50.
Sunday
Sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Partly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Antonio, Stinson Municipal Airport TX
 29.35°N 98.48°W (Elev. 577 ft)
Last Update:
12:44 pm CST Dec 30, 2025
Forecast Valid:
1pm CST Dec 30, 2025-6pm CST Jan 5, 2026
 
Forecast Discussion
 
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