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 Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

A Few Clouds

78°F

26°C

Humidity 60%
Wind Speed S 13 mph
Barometer 30.10 in (1018.8 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 25 Dec 3:56 pm CST
Extended Forecast for

Fentress TX

  • Tonight

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

    Low: 65 °F

    Increasing
    Clouds

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 82. South southwest wind 5 to 10 mph.

    High: 82 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Increasing clouds, with a low around 66. South wind 5 to 10 mph.

    Low: 66 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 83. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 83 °F

    Gradual
    Clearing

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 82. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 82 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 42. South 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 30%.

    Low: 42 °F

    Chance
    Showers

  • Monday

    Monday: Mostly cloudy, with a high near 50. Breezy, with a north wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 50 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35. North wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 65. South wind around 5 mph.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 82. South southwest wind 5 to 10 mph.
Friday Night
Increasing clouds, with a low around 66. South wind 5 to 10 mph.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 83. South wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 65. South southeast wind around 10 mph, with gusts as high as 20 mph.
Sunday
Mostly cloudy, with a high near 82. South wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 42. South 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 30%.
Monday
Mostly cloudy, with a high near 50. Breezy, with a north wind 20 to 25 mph, with gusts as high as 35 mph.
Monday Night
Mostly cloudy, with a low around 35. North wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday
Mostly cloudy, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Mostly sunny, with a high near 61.
Wednesday Night
Mostly cloudy, with a low around 37.
New Year's Day
Partly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fentress TX
 29.75°N 97.78°W (Elev. 436 ft)
Last Update:
12:44 pm CST Dec 25, 2025
Forecast Valid:
4pm CST Dec 25, 2025-6pm CST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation