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.

A Few Clouds

41°F

5°C

Humidity 39%
Wind Speed Calm
Barometer 30.29 in (1024.8 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 19 Jan 8:51 am CST
Extended Forecast for

Alamo Heights TX

  • 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

  • Tonight

    Tonight: 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 52. Southeast wind around 5 mph.

    Low: 52 °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 53. East wind around 5 mph becoming north after midnight.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 70. North northeast wind around 5 mph becoming east in the afternoon.

    High: 70 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 53. East wind around 5 mph.

    Low: 53 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after noon.  Mostly cloudy, with a high near 71. East southeast wind 5 to 10 mph.

    High: 71 °F

    Cloudy then
    Slight Chance
    Showers

Detailed Forecast

M.L.King Day
Sunny, with a high near 66. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Tonight
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 52. 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 53. East wind around 5 mph becoming north after midnight.
Thursday
Mostly sunny, with a high near 70. North northeast wind around 5 mph becoming east in the afternoon.
Thursday Night
Mostly cloudy, with a low around 53. East wind around 5 mph.
Friday
A 20 percent chance of showers after noon. Mostly cloudy, with a high near 71. East southeast wind 5 to 10 mph.
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:
Alamo Heights TX
 29.48°N 98.48°W (Elev. 699 ft)
5:42 am CST Jan 19, 2026
9am CST Jan 19, 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