Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

San Antonio, Stinson Municipal Airport (KSSF)

Lat: 29.34°NLon: 98.47°WElev: 574ft.

Overcast

58°F

14°C

Humidity 93%
Wind Speed Calm
Barometer 30.11 in (1019.4 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 21 Jan 3:53 am CST
Extended Forecast for

5 Miles W San Antonio, Stinson Municipal Airport TX

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 69. Calm wind becoming south southwest around 5 mph.

    High: 69 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 52. Calm wind becoming north northeast around 5 mph after midnight.

    Low: 52 °F

    Partly Cloudy

  • Thursday

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

    High: 72 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 58. Southeast wind around 5 mph.

    Low: 58 °F

    Increasing
    Clouds

  • Friday

    Friday: A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm.  Cloudy, with a high near 70. Southeast wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 40%.

    High: 70 °F

    Cloudy then
    Chance
    Showers

  • Friday Night

    Friday Night: Showers.  Low around 34. North northeast wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%.

    Low: 34 °F

    Showers

  • Saturday

    Saturday: Showers likely.  Cloudy, with a high near 39. North northeast wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%.

    High: 39 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of freezing rain before 8pm, then a chance of rain or freezing rain between 8pm and midnight, then a chance of freezing rain after midnight.  Mostly cloudy, with a low around 22. North wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 50%.

    Low: 22 °F

    Chance
    Rain/Freezing
    Rain then
    Chance
    Freezing Rain

  • Sunday

    Sunday: A slight chance of freezing rain before noon.  Partly sunny, with a high near 35. North wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 20%.

    High: 35 °F

    Slight Chance
    Freezing Rain
    then Partly
    Sunny

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 69. Calm wind becoming south southwest around 5 mph.
Tonight
Partly cloudy, with a low around 52. 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 southeast in the afternoon.
Thursday Night
Increasing clouds, with a low around 58. Southeast wind around 5 mph.
Friday
A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Cloudy, with a high near 70. Southeast wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
Friday Night
Showers. Low around 34. North northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Saturday
Showers likely. Cloudy, with a high near 39. North northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Saturday Night
A chance of freezing rain before 8pm, then a chance of rain or freezing rain between 8pm and midnight, then a chance of freezing rain after midnight. Mostly cloudy, with a low around 22. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Sunday
A slight chance of freezing rain before noon. Partly sunny, with a high near 35. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 19.
Monday
Sunny, with a high near 43.
Monday Night
Mostly clear, with a low around 21.
Tuesday
Sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W San Antonio, Stinson Municipal Airport TX
 29.32°N 98.55°W (Elev. 607 ft)
4:33 am CST Jan 21, 2026
4am CST Jan 21, 2026-6pm CST Jan 27, 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