Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

San Antonio, Stinson Municipal Airport (KSSF)

Lat: 29.34°NLon: 98.47°WElev: 574ft.

Fair

51°F

11°C

Humidity 41%
Wind Speed S 8 mph
Barometer 30.29 in (1025.9 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 19 Jan 9:53 am CST
Extended Forecast for

2 Miles N San Antonio, Stinson Municipal Airport TX

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 67. Southeast wind 5 to 10 mph.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 46. Southeast wind around 5 mph becoming north northeast after midnight.

    Low: 46 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Cloudy, with a high near 60. East wind around 10 mph.

    High: 60 °F

    Cloudy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers.  Cloudy, with a low around 53. East wind around 5 mph becoming calm  after midnight.

    Low: 53 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before noon.  Mostly cloudy, with a high near 70. Calm wind becoming south around 5 mph in the morning.

    High: 70 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53. Calm wind becoming northeast around 5 mph after midnight.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 72. Northeast wind around 5 mph becoming east southeast in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 53. East southeast wind around 5 mph.

    Low: 53 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 71. East southeast wind 5 to 10 mph.

    High: 71 °F

    Mostly Cloudy

Detailed Forecast

M.L.King Day
Sunny, with a high near 67. Southeast wind 5 to 10 mph.
Tonight
Increasing clouds, with a low around 46. Southeast wind around 5 mph becoming north northeast after midnight.
Tuesday
Cloudy, with a high near 60. East wind around 10 mph.
Tuesday Night
A 40 percent chance of showers. Cloudy, with a low around 53. East wind around 5 mph becoming calm after midnight.
Wednesday
A 30 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 70. Calm wind becoming south around 5 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 53. Calm wind becoming northeast around 5 mph after midnight.
Thursday
Mostly sunny, with a high near 72. Northeast wind around 5 mph becoming east southeast in the afternoon.
Thursday Night
Mostly cloudy, with a low around 53. East southeast wind around 5 mph.
Friday
Mostly cloudy, with a high near 71. East southeast wind 5 to 10 mph.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 43.
Saturday
A 40 percent chance of showers. Mostly cloudy, with a high near 44.
Saturday Night
Mostly cloudy, with a low around 35.
Sunday
A 20 percent chance of showers. Mostly cloudy, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N San Antonio, Stinson Municipal Airport TX
 29.37°N 98.48°W (Elev. 581 ft)
10:46 am CST Jan 19, 2026
10am CST Jan 19, 2026-6pm CST Jan 25, 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