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 - Kelly Field (KSKF)

Lat: 29.38°NLon: 98.58°WElev: 689ft.

Overcast

69°F

21°C

Humidity 91%
Wind Speed S 7 mph
Barometer 30.04 in (1016.7 mb)
Dewpoint 67°F (19°C)
Visibility 7.00 mi
Last update 26 Dec 1:55 am CST
Extended Forecast for

Leon Valley TX

  • Overnight

    Overnight: Areas of fog. Otherwise, cloudy, with a low around 65. South southwest wind around 5 mph.

    Low: 65 °F

    Areas Fog

  • Friday

    Friday: Areas of fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 82. South southwest wind around 5 mph.

    High: 82 °F

    Areas Fog
    then Mostly
    Sunny

  • Friday Night

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

    Low: 65 °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: Mostly cloudy, with a low around 66. South southeast wind 5 to 10 mph.

    Low: 66 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 80. South wind 5 to 10 mph.

    High: 80 °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 45. 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: 45 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: Mostly cloudy, with a high near 52. North wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 52 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Areas of fog. Otherwise, cloudy, with a low around 65. South southwest wind around 5 mph.
Friday
Areas of fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 82. South southwest wind around 5 mph.
Friday Night
Increasing clouds, with a low around 65. South southeast wind around 5 mph.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 80. South wind 5 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 66. South southeast wind 5 to 10 mph.
Sunday
Mostly cloudy, with a high near 80. 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 45. 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 52. North wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 38. North wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
Mostly cloudy, with a low around 42.
New Year's Day
Partly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Leon Valley TX
 29.5°N 98.61°W (Elev. 837 ft)
Last Update:
12:46 am CST Dec 26, 2025
Forecast Valid:
2am CST Dec 26, 2025-6pm CST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation