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

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, Stinson Municipal Airport (KSSF)

Lat: 29.34°NLon: 98.47°WElev: 574ft.

Overcast

67°F

19°C

Humidity 97%
Wind Speed Calm
Barometer 30.05 in (1016.6 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 26 Dec 5:53 am CST
Extended Forecast for

3 Miles S San Antonio TX

  • Today

    Today: Areas of fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 83. South southwest wind around 5 mph.

    High: 83 °F

    Areas Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 67. South wind around 5 mph.

    Low: 67 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Cloudy, then gradually becoming mostly sunny, with a high near 80. South wind 5 to 10 mph.

    High: 80 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 67. South southeast wind 5 to 10 mph.

    Low: 67 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 81. South wind 5 to 10 mph.

    High: 81 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A slight chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 47. Southeast wind 5 to 10 mph becoming north 15 to 20 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 20%.

    Low: 47 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Monday

    Monday: Mostly cloudy, with a high near 53. North northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 53 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 55. North wind 5 to 10 mph.

    High: 55 °F

    Mostly Cloudy

Detailed Forecast

Today
Areas of fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 83. South southwest wind around 5 mph.
Tonight
Increasing clouds, with a low around 67. South wind around 5 mph.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 80. South wind 5 to 10 mph.
Saturday Night
Increasing clouds, with a low around 67. South southeast wind 5 to 10 mph.
Sunday
Mostly cloudy, with a high near 81. South wind 5 to 10 mph.
Sunday Night
A slight chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 47. Southeast wind 5 to 10 mph becoming north 15 to 20 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Monday
Mostly cloudy, with a high near 53. North northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 40. North wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 55. North wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Mostly sunny, with a high near 62.
Wednesday Night
Mostly cloudy, with a low around 44.
New Year's Day
Partly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S San Antonio TX
 29.41°N 98.5°W (Elev. 630 ft)
Last Update:
5:44 am CST Dec 26, 2025
Forecast Valid:
6am CST Dec 26, 2025-6pm CST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation