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.

Clear

57°F

14°C

Humidity 38%
Wind Speed S 35 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 25 Dec 01:35 PM MST
Extended Forecast for

5 Miles WSW Magna UT

Wind Advisory December 25, 01:47pm until December 26, 05:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory December 25, 01:47pm until December 26, 05:00pm

    NOW until 5:00pm Fri

    Wind Advisory

  • Christmas Day

    High: 47 °F

    Chance
    Rain/Snow and
    Breezy

  • Tonight

    Tonight: A chance of rain and snow before 8pm, then a chance of snow. Mostly cloudy, with a low around 39. Breezy, with a south southwest wind 24 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 39 °F

    Breezy.
    Chance
    Rain/Snow
    then Chance
    Snow

  • Friday

    Friday: Snow, mainly between 11am and 2pm, then snow showers after 2pm. Some thunder is also possible. Temperature rising to near 42 by 9am, then falling to around 37 during the remainder of the day. Breezy, with a south wind 18 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 42 °F⇓

    Snow and
    Breezy

  • Friday Night

    Friday Night: Snow showers before 11pm, then snow likely after 11pm. 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. Mostly cloudy, with a high near 32. South southwest wind 6 to 10 mph becoming west northwest in the afternoon. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 32 °F

    Snow Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 21. New snow accumulation of around an inch possible.

    Low: 21 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 19 °F

    Mostly Clear

Detailed Forecast

Christmas Day
A slight chance of rain and snow before 2pm, then a chance of rain. Partly sunny, with a high near 47. Breezy, with a south southwest wind around 22 mph, with gusts as high as 33 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tonight
A chance of rain and snow before 8pm, then a chance of snow. Mostly cloudy, with a low around 39. Breezy, with a south southwest wind 24 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
Snow, mainly between 11am and 2pm, then snow showers after 2pm. Some thunder is also possible. Temperature rising to near 42 by 9am, then falling to around 37 during the remainder of the day. Breezy, with a south wind 18 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday Night
Snow showers before 11pm, then snow likely after 11pm. 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. Mostly cloudy, with a high near 32. South southwest wind 6 to 10 mph becoming west northwest in the afternoon. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Saturday Night
A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 21. New snow accumulation of around an inch possible.
Sunday
Mostly sunny, with a high near 25.
Sunday Night
Mostly clear, with a low around 19.
Monday
Sunny, with a high near 27.
Monday Night
Mostly clear, with a low around 22.
Tuesday
Mostly sunny, with a high near 32.
Tuesday Night
Mostly clear, with a low around 26.
Wednesday
Mostly 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 am MST Dec 25, 2025
Forecast Valid:
1pm MST Dec 25, 2025-6pm MST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation