Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains Thursday night, crossing the Midwest and reaching the Gulf Coast Friday night. Confidence continues to increase for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Partly Cloudy

48°F

9°C

Humidity 52%
Wind Speed Calm
Barometer 30.31 in (1025.7 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 28 Jan 8:51 pm CST
Extended Forecast for

San Antonio International Airport TX

  • Tonight

    Tonight: Partly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 66. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 66 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 39. West northwest wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph.

    Low: 39 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 58. North wind around 10 mph, with gusts as high as 20 mph.

    High: 58 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 31. North wind 5 to 10 mph.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 47. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 47 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 23. East northeast wind around 5 mph becoming calm  in the evening.

    Low: 23 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 51. Calm wind becoming south around 5 mph in the afternoon.

    High: 51 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34. South wind around 5 mph becoming calm.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 34. Calm wind.
Thursday
Mostly sunny, with a high near 66. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 39. West northwest wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 58. North wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 31. North wind 5 to 10 mph.
Saturday
Sunny, with a high near 47. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Clear, with a low around 23. East northeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 51. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 34. South wind around 5 mph becoming calm.
Monday
Mostly sunny, with a high near 60.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 49.
Tuesday
Mostly cloudy, with a high near 66.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 52.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio International Airport TX
 29.53°N 98.48°W (Elev. 817 ft)
8:44 pm CST Jan 28, 2026
9pm CST Jan 28, 2026-6pm CST Feb 4, 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