Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Overcast

68°F

20°C

Humidity 90%
Wind Speed SW 6 mph
Barometer 30.07 in (1016.6 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 26 Dec 5:51 am CST
Extended Forecast for

3 Miles WNW Shavano Park TX

  • Today

    Today: Areas of fog before 10am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 81. South southwest wind around 5 mph.

    High: 81 °F

    Areas Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 65. South wind around 5 mph.

    Low: 65 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Cloudy, then gradually becoming mostly sunny, with a high near 79. South wind 5 to 10 mph.

    High: 79 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 65. South southeast wind 5 to 10 mph.

    Low: 65 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 79. South wind 5 to 10 mph.

    High: 79 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms between midnight and 3am, then a slight chance of showers after 3am.  Mostly cloudy, with a low around 44. Light and variable wind becoming north 15 to 20 mph in the evening. Winds could gust as high as 30 mph.  Chance of precipitation is 20%.

    Low: 44 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: Mostly cloudy, with a high near 51. North wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 51 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 54. North wind 5 to 10 mph.

    High: 54 °F

    Mostly Cloudy

Detailed Forecast

Today
Areas of fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 81. South southwest wind around 5 mph.
Tonight
Increasing clouds, with a low around 65. South wind around 5 mph.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 79. South wind 5 to 10 mph.
Saturday Night
Increasing clouds, with a low around 65. South southeast wind 5 to 10 mph.
Sunday
Mostly cloudy, with a high near 79. South wind 5 to 10 mph.
Sunday Night
A slight chance of showers and thunderstorms between midnight and 3am, then a slight chance of showers after 3am. Mostly cloudy, with a low around 44. Light and variable wind becoming north 15 to 20 mph in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Monday
Mostly cloudy, with a high near 51. North wind 15 to 20 mph, with gusts as high as 35 mph.
Monday Night
Mostly cloudy, with a low around 37. North wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly cloudy, with a high near 54. North wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
Mostly cloudy, with a low around 41.
New Year's Day
Partly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Shavano Park TX
 29.59°N 98.61°W (Elev. 1066 ft)
5:44 am CST Dec 26, 2025
6am CST Dec 26, 2025-6pm CST Jan 1, 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