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

Salt Lake City, Salt Lake City International Airport (KSLC)

Lat: 40.77069°NLon: 111.96503°WElev: 4226.0ft.

Overcast

59°F

15°C

Humidity 35%
Wind Speed E 6 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 24 Dec 12:20 PM MST
Extended Forecast for

Magna UT

  • This Afternoon

    This Afternoon: A 40 percent chance of rain. Mostly cloudy, with a temperature falling to around 60 by 5pm. South wind around 16 mph.

    High: 63 °F⇓

    Chance Rain

  • Tonight

    Tonight: Rain, mainly before 5am, then showers and possibly a thunderstorm after 5am. Low around 48. South wind around 16 mph. Chance of precipitation is 80%.

    Low: 48 °F

    Showers

  • Christmas Day

    Christmas Day: Rain and possibly a thunderstorm before 11am, then a chance of rain between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. High near 59. South wind around 18 mph, with gusts as high as 31 mph. Chance of precipitation is 80%.

    High: 59 °F

    Showers then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 46. South wind 15 to 18 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 15 to 18 mph, with gusts as high as 32 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 33. Chance of precipitation is 90%.

    Low: 33 °F

    Showers then
    Rain Likely

  • Saturday

    Saturday: A chance of rain before 8am, then a chance of rain and snow. Mostly sunny, with a high near 44. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 44 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of rain. Mostly cloudy, with a temperature falling to around 60 by 5pm. South wind around 16 mph.
Tonight
Rain, mainly before 5am, then showers and possibly a thunderstorm after 5am. Low around 48. South wind around 16 mph. Chance of precipitation is 80%.
Christmas Day
Rain and possibly a thunderstorm before 11am, then a chance of rain between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. High near 59. South wind around 18 mph, with gusts as high as 31 mph. Chance of precipitation is 80%.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 46. South wind 15 to 18 mph.
Friday
Rain, mainly between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 54. South wind 15 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm before 8pm, then rain, mainly after 8pm. Low around 33. Chance of precipitation is 90%.
Saturday
A chance of rain before 8am, then a chance of rain and snow. Mostly sunny, with a high near 44. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Sunny, with a high near 40.
Sunday Night
Mostly clear, with a low around 23.
Monday
Sunny, with a high near 41.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Sunny, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Magna UT
 40.71°N 112.1°W (Elev. 4236 ft)
Last Update:
2:03 am MST Dec 24, 2025
Forecast Valid:
12pm MST Dec 24, 2025-6pm MST Dec 30, 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