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, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

A Few Clouds

70°F

21°C

Humidity 57%
Wind Speed SW 5 mph
Barometer 30.07 in (1017.0 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 21 Jan 4:51 pm CST
Extended Forecast for

Terrell Hills TX

Extreme Cold Watch January 24, 06:00pm until January 26, 12:00pm
Click here for hazard details and duration
Extreme Cold Watch
  • Tonight

    Tonight: Partly cloudy, with a low around 51. Calm wind becoming north around 5 mph after midnight.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Patchy fog before 10am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 74. North northeast wind around 5 mph becoming southeast in the afternoon.

    High: 74 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 59. South southeast wind around 5 mph.

    Low: 59 °F

    Increasing
    Clouds

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 3pm.  Cloudy, with a high near 70. South southeast wind 5 to 10 mph becoming east in the afternoon.  Chance of precipitation is 40%.

    High: 70 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers.  Low around 39. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%.

    Low: 39 °F

    Showers

  • Saturday

    Saturday: Showers.  High near 41. North northeast wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%.

    High: 41 °F

    Showers

  • Saturday Night

    Saturday Night: Rain or freezing rain likely before midnight, then a chance of freezing rain.  Mostly cloudy, with a low around 20. North wind around 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 60%.

    Low: 20 °F

    Rain/Freezing
    Rain Likely
    then Chance
    Freezing Rain

  • Sunday

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

    High: 35 °F

    Slight Chance
    Freezing Rain
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 18. North wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 18 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 51. Calm wind becoming north around 5 mph after midnight.
Thursday
Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 74. North northeast wind around 5 mph becoming southeast in the afternoon.
Thursday Night
Increasing clouds, with a low around 59. South southeast wind around 5 mph.
Friday
A chance of showers, with thunderstorms also possible after 3pm. Cloudy, with a high near 70. South southeast wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 40%.
Friday Night
Showers. Low around 39. North northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Saturday
Showers. High near 41. North northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Saturday Night
Rain or freezing rain likely before midnight, then a chance of freezing rain. Mostly cloudy, with a low around 20. North wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Sunday
A slight chance of freezing rain before noon. Partly sunny, with a high near 35. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 18. North wind 5 to 15 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 42.
Monday Night
Mostly clear, with a low around 21.
Tuesday
Sunny, with a high near 49.
Tuesday Night
Partly cloudy, with a low around 32.
Wednesday
Mostly sunny, with a high near 55.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Terrell Hills TX
 29.46°N 98.43°W (Elev. 653 ft)
4:32 pm CST Jan 21, 2026
5pm CST Jan 21, 2026-6pm CST Jan 28, 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