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

South Valley Regional Airport (KSVR)

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

haze

54°F

12°C

Humidity 32%
Wind Speed S 27 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 25°F (-4°C)
Visibility 5.00 mi
Last update 25 Dec 06:35 PM MST
Extended Forecast for

West Valley UT

  • Tonight

    Tonight: A slight chance of rain before 11pm, then a slight chance of rain after 2am. Increasing clouds, with a low around 48. South wind around 14 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.

    Low: 48 °F

    Slight Chance
    Rain

  • Friday

    Friday: A chance of rain, then showers and possibly a thunderstorm after 2pm. High near 54. South wind 14 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 80%.

    High: 54 °F

    Chance Rain
    then Showers

  • Friday Night

    Friday Night: Rain showers before 2am, then rain and snow showers between 2am and 5am, then rain showers after 5am. Some thunder is also possible. Low around 35. West wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 35 °F

    Showers then
    Rain/Snow

  • Saturday

    Saturday: Rain likely before 8am, then rain and snow likely between 8am and 2pm, then snow likely after 2pm. Mostly cloudy, with a high near 44. Calm wind becoming west northwest 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 22. North northwest wind 6 to 8 mph. New snow accumulation of less than one inch possible.

    Low: 22 °F

    Chance Snow
    then Slight
    Chance Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 16.

    Low: 16 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 35.

    High: 35 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of rain before 11pm, then a slight chance of rain after 2am. Increasing clouds, with a low around 48. South wind around 14 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Friday
A chance of rain, then showers and possibly a thunderstorm after 2pm. High near 54. South wind 14 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 80%.
Friday Night
Rain showers before 2am, then rain and snow showers between 2am and 5am, then rain showers after 5am. Some thunder is also possible. Low around 35. West wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 90%. Little or no snow accumulation expected.
Saturday
Rain likely before 8am, then rain and snow likely between 8am and 2pm, then snow likely after 2pm. Mostly cloudy, with a high near 44. Calm wind becoming west northwest 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday Night
A 50 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 22. North northwest wind 6 to 8 mph. New snow accumulation of less than one inch possible.
Sunday
Mostly sunny, with a high near 34.
Sunday Night
Mostly clear, with a low around 16.
Monday
Sunny, with a high near 35.
Monday Night
Mostly clear, with a low around 20.
Tuesday
Mostly sunny, with a high near 41.
Tuesday Night
Mostly clear, with a low around 24.
Wednesday
Mostly sunny, with a high near 45.
Wednesday Night
Partly cloudy, with a low around 29.
New Year's Day
A chance of rain. Partly sunny, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West Valley UT
 40.7°N 111.98°W (Elev. 4259 ft)
Last Update:
2:04 pm MST Dec 25, 2025
Forecast Valid:
7pm MST Dec 25, 2025-6pm MST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation