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

South Valley Regional Airport (KSVR)

Lat: 40.6196°NLon: 111.99016°WElev: 4596.0ft.

Partly Cloudy

50°F

10°C

Humidity 49%
Wind Speed SSW 20 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 24 Dec 07:35 AM MST
Extended Forecast for

3 Miles NNW Alpine UT

  • Today

    Today: A 40 percent chance of rain after 11am.  Mostly cloudy, with a high near 56. South southeast wind around 18 mph.

    High: 56 °F

    Chance Rain

  • Tonight

    Tonight: Rain, mainly before 5am, then showers and possibly a thunderstorm after 5am.  Low around 42. Breezy, with a south southeast wind 21 to 23 mph.  Chance of precipitation is 80%.

    Low: 42 °F

    Showers and
    Breezy

  • Christmas Day

    Christmas Day: Rain and possibly a thunderstorm before 11am, then rain likely between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  High near 49. South wind 18 to 21 mph.  Chance of precipitation is 80%.

    High: 49 °F

    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 38. Breezy, with a south wind 20 to 23 mph, with gusts as high as 33 mph.

    Low: 38 °F

    Chance Rain
    and Breezy

  • Friday

    Friday: Rain, possibly mixed with snow, mainly after 11am. Some thunder is also possible.  High near 43. Breezy, with a south wind 17 to 22 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Rain/Snow and
    Breezy

  • Friday Night

    Friday Night: Rain, possibly mixed with snow showers, becoming all snow after 8pm. Some thunder is also possible.  Low around 29. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 29 °F

    Rain/Snow
    then Snow
    Likely

  • Saturday

    Saturday: A 50 percent chance of snow.  Partly sunny, with a high near 37. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 35.

    High: 35 °F

    Sunny

Detailed Forecast

Today
A 40 percent chance of rain after 11am. Mostly cloudy, with a high near 56. South southeast wind around 18 mph.
Tonight
Rain, mainly before 5am, then showers and possibly a thunderstorm after 5am. Low around 42. Breezy, with a south southeast wind 21 to 23 mph. Chance of precipitation is 80%.
Christmas Day
Rain and possibly a thunderstorm before 11am, then rain likely between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. High near 49. South wind 18 to 21 mph. Chance of precipitation is 80%.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 38. Breezy, with a south wind 20 to 23 mph, with gusts as high as 33 mph.
Friday
Rain, possibly mixed with snow, mainly after 11am. Some thunder is also possible. High near 43. Breezy, with a south wind 17 to 22 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Friday Night
Rain, possibly mixed with snow showers, becoming all snow after 8pm. Some thunder is also possible. Low around 29. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Saturday
A 50 percent chance of snow. Partly sunny, with a high near 37. New snow accumulation of less than a half inch possible.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Sunny, with a high near 35.
Sunday Night
Mostly clear, with a low around 20.
Monday
Sunny, with a high near 37.
Monday Night
Mostly clear, with a low around 24.
Tuesday
Sunny, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Alpine UT
 40.5°N 111.8°W (Elev. 6470 ft)
2:03 am MST Dec 24, 2025
7am MST Dec 24, 2025-6pm MST 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