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

55°F

13°C

Humidity 62%
Wind Speed S 18 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 24 Dec 09:35 PM MST
Extended Forecast for

3 Miles N Cottonwood Heights UT

  • Tonight

    Tonight: Rain, mainly before 5am, then showers and possibly a thunderstorm after 5am. Low around 50. South wind 9 to 11 mph. Chance of precipitation is 80%.

    Low: 50 °F

    Showers

  • Christmas Day

    Christmas Day: Showers and possibly a thunderstorm before 8am, then a chance of rain between 8am and 11am, then a chance of showers and thunderstorms after 11am. High near 58. South wind 8 to 14 mph. Chance of precipitation is 80%.

    High: 58 °F

    Showers then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 43. South wind 10 to 13 mph.

    Low: 43 °F

    Chance Rain

  • Friday

    Friday: Rain, mainly before 5pm, then showers and possibly a thunderstorm after 5pm. High near 53. South wind 10 to 13 mph. Chance of precipitation is 90%.

    High: 53 °F

    Showers

  • Friday Night

    Friday Night: Rain before 5am, then rain, possibly mixed with snow. Some thunder is also possible. Low around 35. South southwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 35 °F

    Showers then
    Rain/Snow

  • Saturday

    Saturday: Rain and snow likely before 11am, then a chance of snow between 11am and 2pm, then a chance of rain and snow after 2pm. Mostly cloudy, with a high near 43. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: A chance of rain and snow before 8pm, then a chance of snow between 8pm and 11pm. Partly cloudy, with a low around 21. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

  • Sunday Night

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

    Low: 19 °F

    Mostly Clear

Detailed Forecast

Tonight
Rain, mainly before 5am, then showers and possibly a thunderstorm after 5am. Low around 50. South wind 9 to 11 mph. Chance of precipitation is 80%.
Christmas Day
Showers and possibly a thunderstorm before 8am, then a chance of rain between 8am and 11am, then a chance of showers and thunderstorms after 11am. High near 58. South wind 8 to 14 mph. Chance of precipitation is 80%.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 43. South wind 10 to 13 mph.
Friday
Rain, mainly before 5pm, then showers and possibly a thunderstorm after 5pm. High near 53. South wind 10 to 13 mph. Chance of precipitation is 90%.
Friday Night
Rain before 5am, then rain, possibly mixed with snow. Some thunder is also possible. Low around 35. South southwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 90%. Little or no snow accumulation expected.
Saturday
Rain and snow likely before 11am, then a chance of snow between 11am and 2pm, then a chance of rain and snow after 2pm. Mostly cloudy, with a high near 43. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
A chance of rain and snow before 8pm, then a chance of snow between 8pm and 11pm. Partly cloudy, with a low around 21. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Sunday
Sunny, with a high near 37.
Sunday Night
Mostly clear, with a low around 19.
Monday
Sunny, with a high near 41.
Monday Night
Mostly clear, with a low around 23.
Tuesday
Sunny, with a high near 45.
Tuesday Night
Mostly clear, with a low around 28.
Wednesday
Sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Cottonwood Heights UT
 40.67°N 111.83°W (Elev. 4436 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