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 >

Hazardous Weather Conditions

Current conditions at

South Valley Regional Airport (KSVR)

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

Mostly Cloudy

55°F

13°C

Humidity 62%
Wind Speed SSE 17 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 24 Dec 08:15 PM MST
Extended Forecast for

5 Miles WSW Magna UT

Wind Advisory December 24, 08:32pm until December 26, 05:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory December 24, 08:32pm until December 26, 05:00pm

    NOW until 5:00pm Fri

    Wind Advisory

  • Tonight

    Low: 43 °F

    Rain Likely
    and Breezy

  • Christmas Day

    Christmas Day: Rain likely before 8am, then a chance of rain and snow between 8am and 11am, then a chance of rain after 11am. Some thunder is also possible. Partly sunny, with a steady temperature around 44. Breezy, with a southwest wind around 22 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow
    Likely and
    Breezy then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of rain and snow before 8pm, then a chance of snow between 8pm and 2am, then a chance of rain and snow after 2am. Mostly cloudy, with a low around 40. Breezy, with a south wind 23 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 40 °F

    Chance
    Rain/Snow and
    Breezy

  • Friday

    Friday: Snow, mainly between 11am and 5pm, then snow showers after 5pm. Some thunder is also possible. High near 43. Breezy, with a south wind 18 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Snow and
    Breezy

  • Friday Night

    Friday Night: Snow showers before 8pm, then snow, mainly after 8pm. Some thunder is also possible. Low around 31. South southwest wind 9 to 14 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 31 °F

    Snow Showers

  • Saturday

    Saturday: Snow likely, mainly before 11am. Partly sunny, with a high near 33. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 33 °F

    Snow Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 22.

    Low: 22 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 26.

    High: 26 °F

    Sunny

Detailed Forecast

Tonight
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 43. Breezy, with a south southwest wind around 25 mph, with gusts as high as 40 mph. Chance of precipitation is 70%.
Christmas Day
Rain likely before 8am, then a chance of rain and snow between 8am and 11am, then a chance of rain after 11am. Some thunder is also possible. Partly sunny, with a steady temperature around 44. Breezy, with a southwest wind around 22 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday Night
A chance of rain and snow before 8pm, then a chance of snow between 8pm and 2am, then a chance of rain and snow after 2am. Mostly cloudy, with a low around 40. Breezy, with a south wind 23 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Friday
Snow, mainly between 11am and 5pm, then snow showers after 5pm. Some thunder is also possible. High near 43. Breezy, with a south wind 18 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday Night
Snow showers before 8pm, then snow, mainly after 8pm. Some thunder is also possible. Low around 31. South southwest wind 9 to 14 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Saturday
Snow likely, mainly before 11am. Partly sunny, with a high near 33. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Saturday Night
A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 22.
Sunday
Sunny, with a high near 26.
Sunday Night
Mostly clear, with a low around 21.
Monday
Sunny, with a high near 28.
Monday Night
Mostly clear, with a low around 23.
Tuesday
Sunny, with a high near 32.
Tuesday Night
Mostly clear, with a low around 26.
Wednesday
A slight chance of snow. Sunny, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Magna UT
 40.68°N 112.18°W (Elev. 7129 ft)
Last Update:
2:04 pm MST Dec 24, 2025
Forecast Valid:
8pm MST Dec 24, 2025-6pm MST Dec 31, 2025
 
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Additional Resources

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