National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Winter Weather and Frigid Temperatures Through This Weekend

A clipper storm will move across the Great Lakes through this weekend with periods of light snow, gusty winds, and lake effect snow bands which could make for hazardous travel at times. A frigid airmass will spread eastward behind this storm into the Midwest and Eastern U.S. through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Partly Cloudy

62°F

17°C

Humidity 32%
Wind Speed N 20 G 30 mph
Barometer 29.98 in (1014.1 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 16 Jan 5:51 pm CST
Extended Forecast for

2 Miles ESE San Antonio TX

Red Flag Warning January 17, 10:00am until January 17, 08:00pm
Click here for hazard details and duration
Red Flag Warning

  • Tonight

    Tonight: Mostly clear, with a low around 40. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 57. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29. North northeast wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 61. Northwest wind around 5 mph becoming south southwest in the afternoon.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35. South southwest wind around 5 mph becoming calm after midnight.

    Low: 35 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 67. Calm wind becoming southeast around 5 mph in the morning.

    High: 67 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44. East northeast wind 5 to 10 mph.

    Low: 44 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 59. East wind 5 to 10 mph.

    High: 59 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after midnight. Cloudy, with a low around 51. East southeast wind around 5 mph.

    Low: 51 °F

    Cloudy then
    Slight Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 40. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 57. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 29. North northeast wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 61. Northwest wind around 5 mph becoming south southwest in the afternoon.
Sunday Night
Mostly clear, with a low around 35. South southwest wind around 5 mph becoming calm after midnight.
M.L.King Day
Mostly sunny, with a high near 67. Calm wind becoming southeast around 5 mph in the morning.
Monday Night
Mostly cloudy, with a low around 44. East northeast wind 5 to 10 mph.
Tuesday
Mostly cloudy, with a high near 59. East wind 5 to 10 mph.
Tuesday Night
A 20 percent chance of showers after midnight. Cloudy, with a low around 51. East southeast wind around 5 mph.
Wednesday
A 30 percent chance of showers. Mostly cloudy, with a high near 65.
Wednesday Night
Mostly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 71.
Thursday Night
Mostly cloudy, with a low around 53.
Friday
Partly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE San Antonio TX
 29.44°N 98.48°W (Elev. 663 ft)
Last Update:
5:42 pm CST Jan 16, 2026
Forecast Valid:
6pm CST Jan 16, 2026-6pm CST Jan 23, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation