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, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Fair

49°F

9°C

Humidity 21%
Wind Speed SW 6 mph
Barometer 30.24 in (1023.2 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 18 Jan 9:51 pm CST
Extended Forecast for

Terrell Hills TX

  • Tonight

    Tonight: Clear, with a low around 33. Southwest wind around 5 mph becoming calm  after midnight.

    Low: 33 °F

    Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 66. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 45. East southeast wind 5 to 10 mph becoming northeast after midnight.

    Low: 45 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Cloudy, with a high near 58. East wind 5 to 10 mph.

    High: 58 °F

    Cloudy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers.  Cloudy, with a low around 51. Southeast wind around 5 mph.

    Low: 51 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before noon.  Mostly cloudy, with a high near 66. Southeast wind around 5 mph becoming south southwest in the afternoon.

    High: 66 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. East wind around 5 mph becoming north after midnight.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 71. North northeast wind around 5 mph becoming east in the afternoon.

    High: 71 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 52. East southeast wind around 5 mph.

    Low: 52 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 33. Southwest wind around 5 mph becoming calm after midnight.
M.L.King Day
Sunny, with a high near 66. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Monday Night
Increasing clouds, with a low around 45. East southeast wind 5 to 10 mph becoming northeast after midnight.
Tuesday
Cloudy, with a high near 58. East wind 5 to 10 mph.
Tuesday Night
A 40 percent chance of showers. Cloudy, with a low around 51. Southeast wind around 5 mph.
Wednesday
A 30 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 66. Southeast wind around 5 mph becoming south southwest in the afternoon.
Wednesday Night
Partly cloudy, with a low around 52. East wind around 5 mph becoming north after midnight.
Thursday
Mostly sunny, with a high near 71. North northeast wind around 5 mph becoming east in the afternoon.
Thursday Night
Mostly cloudy, with a low around 52. East southeast wind around 5 mph.
Friday
A 20 percent chance of showers after noon. Mostly cloudy, with a high near 72.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 41.
Saturday
A 40 percent chance of showers. Mostly cloudy, with a high near 49.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
A 20 percent chance of showers. Mostly cloudy, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
Terrell Hills TX
 29.46°N 98.45°W (Elev. 797 ft)
10:00 pm CST Jan 18, 2026
10pm CST Jan 18, 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