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.

Overcast

57°F

14°C

Humidity 54%
Wind Speed S 19 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 24 Dec 09:55 PM MST
Extended Forecast for

Magna UT

  • Tonight

    Tonight: Rain likely, mainly after 11pm. Mostly cloudy, with a low around 50. South southeast wind 14 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

    Low: 50 °F

    Rain Likely

  • Christmas Day

    Christmas Day: Rain likely, mainly before 11am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 60. South wind 15 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 70%.

    High: 60 °F

    Rain Likely
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 45. South wind around 16 mph, with gusts as high as 31 mph.

    Low: 45 °F

    Chance Rain

  • Friday

    Friday: Rain, mainly between 11am and 5pm, then showers and possibly a thunderstorm after 5pm. High near 54. South wind 15 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 80%.

    High: 54 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 8pm, then rain, mainly after 8pm. Low around 35. South wind 5 to 10 mph. Chance of precipitation is 90%.

    Low: 35 °F

    Showers

  • Saturday

    Saturday: A chance of rain and snow before 11am, then a chance of snow between 11am and 2pm, then a chance of rain and snow after 2pm. Partly sunny, with a high near 43. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A slight chance of rain and snow before 8pm, then a slight chance of snow between 8pm and 11pm. Partly cloudy, with a low around 22. Chance of precipitation is 20%.

    Low: 22 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 36.

    High: 36 °F

    Sunny

  • Sunday Night

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

    Low: 20 °F

    Mostly Clear

Detailed Forecast

Tonight
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 50. South southeast wind 14 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Christmas Day
Rain likely, mainly before 11am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 60. South wind 15 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 45. South wind around 16 mph, with gusts as high as 31 mph.
Friday
Rain, mainly between 11am and 5pm, then showers and possibly a thunderstorm after 5pm. High near 54. South wind 15 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm before 8pm, then rain, mainly after 8pm. Low around 35. South wind 5 to 10 mph. Chance of precipitation is 90%.
Saturday
A chance of rain and snow before 11am, then a chance of snow between 11am and 2pm, then a chance of rain and snow after 2pm. Partly sunny, with a high near 43. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Saturday Night
A slight chance of rain and snow before 8pm, then a slight chance of snow between 8pm and 11pm. Partly cloudy, with a low around 22. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 36.
Sunday Night
Mostly clear, with a low around 20.
Monday
Sunny, with a high near 39.
Monday Night
Mostly clear, with a low around 23.
Tuesday
Sunny, with a high near 42.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
Sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Magna UT
 40.71°N 112.07°W (Elev. 4219 ft)
Last Update:
2:04 pm MST Dec 24, 2025
Forecast Valid:
10pm MST Dec 24, 2025-6pm MST Dec 31, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation