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.

Clear

55°F

13°C

Humidity 50%
Wind Speed S 27 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 25 Dec 10:55 AM MST
Extended Forecast for

West Valley UT

  • Christmas Day

    Christmas Day: A 40 percent chance of rain, mainly after 2pm. Partly sunny, with a high near 63. South wind 18 to 21 mph, with gusts as high as 33 mph.

    High: 63 °F

    Chance Rain

  • Tonight

    Tonight: A 40 percent chance of rain, mainly after 2am. Mostly cloudy, with a low around 46. South southeast wind 17 to 20 mph, with gusts as high as 34 mph.

    Low: 46 °F

    Chance Rain

  • Friday

    Friday: Rain, mainly between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 54. South wind 16 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 80%.

    High: 54 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm, mainly before 2am, then rain likely after 2am. Low around 36. South wind 6 to 10 mph. Chance of precipitation is 90%.

    Low: 36 °F

    Showers

  • Saturday

    Saturday: Rain likely before 8am, then rain likely, possibly mixed with snow between 8am and 11am, then a chance of snow after 11am. Mostly cloudy, with a high near 43. Light and variable wind becoming west northwest 5 to 10 mph in the morning. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 22. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 35.

    High: 35 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

Detailed Forecast

Christmas Day
A 40 percent chance of rain, mainly after 2pm. Partly sunny, with a high near 63. South wind 18 to 21 mph, with gusts as high as 33 mph.
Tonight
A 40 percent chance of rain, mainly after 2am. Mostly cloudy, with a low around 46. South southeast wind 17 to 20 mph, with gusts as high as 34 mph.
Friday
Rain, mainly between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 54. South wind 16 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm, mainly before 2am, then rain likely after 2am. Low around 36. South wind 6 to 10 mph. Chance of precipitation is 90%.
Saturday
Rain likely before 8am, then rain likely, possibly mixed with snow between 8am and 11am, then a chance of snow after 11am. Mostly cloudy, with a high near 43. Light and variable wind becoming west northwest 5 to 10 mph in the morning. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 22. New snow accumulation of less than a half inch possible.
Sunday
Sunny, with a high near 35.
Sunday Night
Mostly clear, with a low around 19.
Monday
Sunny, with a high near 37.
Monday Night
Mostly clear, with a low around 23.
Tuesday
Mostly sunny, with a high near 42.
Tuesday Night
Mostly clear, with a low around 27.
Wednesday
Mostly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
West Valley UT
 40.69°N 112.04°W (Elev. 4262 ft)
Last Update:
2:04 am MST Dec 25, 2025
Forecast Valid:
11am MST Dec 25, 2025-6pm MST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation