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

Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Northeast; Heavy Rain Returns to California

An Alberta clipper will bring lake effect snow downwind of the Great Lakes, with the highest snow totals downwind of Lakes Erie and Ontario. Snow squalls may impact New Year's Eve travel during the evening and overnight hours across parts of the Great Lakes, Ohio Valley, and Northeast. Heavy rain will bring a flash flooding threat for southern California on New Year's Eve into New Year's Day. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

A Few Clouds

49°F

9°C

Humidity 29%
Wind Speed Calm
Barometer 30.40 in (1028.6 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 30 Dec 8:51 pm CST
Extended Forecast for

Castle Hills TX

  • Tonight

    Tonight: Mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 65. Calm wind becoming southwest around 5 mph in the morning.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44. Southwest wind around 5 mph.

    Low: 44 °F

    Mostly Clear

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 72. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 72 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55. South southwest wind around 5 mph.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 83. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 54. West wind around 5 mph becoming north after midnight.

    Low: 54 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 76. North wind around 5 mph becoming east in the afternoon.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 51. East wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 35. Calm wind.
Wednesday
Sunny, with a high near 65. Calm wind becoming southwest around 5 mph in the morning.
Wednesday Night
Mostly clear, with a low around 44. Southwest wind around 5 mph.
New Year's Day
Mostly sunny, with a high near 72. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 55. South southwest wind around 5 mph.
Friday
Sunny, with a high near 83. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Clear, with a low around 54. West wind around 5 mph becoming north after midnight.
Saturday
Sunny, with a high near 76. North wind around 5 mph becoming east in the afternoon.
Saturday Night
Clear, with a low around 51. East wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Partly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 77.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Castle Hills TX
 29.53°N 98.51°W (Elev. 869 ft)
Last Update:
5:46 pm CST Dec 30, 2025
Forecast Valid:
9pm CST Dec 30, 2025-6pm CST Jan 6, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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