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

67°F

19°C

Humidity 15%
Wind Speed SE 10 mph
Barometer 30.18 in (1022.2 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 19 Jan 1:53 pm CST
Extended Forecast for

3 Miles SSE San Antonio TX

  • M.L.King Day

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

    High: 60 °F

    Cloudy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers.  Cloudy, with a low around 54. East southeast wind around 5 mph.

    Low: 54 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers.  Mostly cloudy, with a high near 69. Calm wind becoming south around 5 mph.

    High: 69 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54. Calm wind becoming north northeast around 5 mph after midnight.

    Low: 54 °F

    Partly Cloudy

  • Thursday

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

    High: 72 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 56. East southeast wind around 5 mph.

    Low: 56 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers, mainly after noon.  Cloudy, with a high near 70. East southeast wind 5 to 10 mph.

    High: 70 °F

    Chance
    Showers

Detailed Forecast

M.L.King Day
Sunny, with a high near 67. Southeast wind around 5 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 5 to 10 mph.
Tuesday Night
A 40 percent chance of showers. Cloudy, with a low around 54. East southeast wind around 5 mph.
Wednesday
A 20 percent chance of showers. Mostly cloudy, with a high near 69. Calm wind becoming south around 5 mph.
Wednesday Night
Partly cloudy, with a low around 54. Calm wind becoming north northeast around 5 mph after midnight.
Thursday
Partly sunny, with a high near 72. North northeast wind around 5 mph becoming east southeast in the afternoon.
Thursday Night
Mostly cloudy, with a low around 56. East southeast wind around 5 mph.
Friday
A 30 percent chance of showers, mainly after noon. Cloudy, with a high near 70. East southeast wind 5 to 10 mph.
Friday Night
A 50 percent chance of showers. Cloudy, with a low around 38.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 44.
Saturday Night
A chance of rain or freezing rain. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE San Antonio TX
 29.41°N 98.48°W (Elev. 646 ft)
12:44 pm CST Jan 19, 2026
2pm 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