Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Current conditions at

San Antonio, Stinson Municipal Airport (KSSF)

Lat: 29.34°NLon: 98.47°WElev: 574ft.

Partly Cloudy

68°F

20°C

Humidity 90%
Wind Speed SE 6 mph
Barometer 30.22 in (1022.7 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 23 Dec 9:53 pm CST
Extended Forecast for

3 Miles N San Antonio, Stinson Municipal Airport TX

  • Tonight

    Tonight: Patchy fog after 2am.  Otherwise, increasing clouds, with a low around 67. Southeast wind around 5 mph.

    Low: 67 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Areas of fog before 10am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 80. South southeast wind around 5 mph.

    High: 80 °F

    Areas Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 66. South southeast wind around 5 mph.

    Low: 66 °F

    Increasing
    Clouds

  • Christmas Day

    Christmas Day: Cloudy through mid morning, then gradual clearing, with a high near 80. South wind around 5 mph.

    High: 80 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 64. South southwest wind around 5 mph.

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 83. South southwest wind around 5 mph.

    High: 83 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 65. South southeast wind around 5 mph.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 83. South wind 5 to 10 mph.

    High: 83 °F

    Partly Sunny

  • Saturday Night

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

    Low: 65 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, increasing clouds, with a low around 67. Southeast wind around 5 mph.
Wednesday
Areas of fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 80. South southeast wind around 5 mph.
Wednesday Night
Increasing clouds, with a low around 66. South southeast wind around 5 mph.
Christmas Day
Cloudy through mid morning, then gradual clearing, with a high near 80. South wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 64. South southwest wind around 5 mph.
Friday
Partly sunny, with a high near 83. South southwest wind around 5 mph.
Friday Night
Partly cloudy, with a low around 65. South southeast wind around 5 mph.
Saturday
Partly sunny, with a high near 83. South wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 65. South southeast wind 5 to 10 mph.
Sunday
Mostly cloudy, with a high near 76.
Sunday Night
Mostly cloudy, with a low around 48.
Monday
Mostly cloudy, with a high near 56.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N San Antonio, Stinson Municipal Airport TX
 29.37°N 98.48°W (Elev. 581 ft)
9:24 pm CST Dec 23, 2025
10pm CST Dec 23, 2025-6pm CST Dec 30, 2025
 
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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