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.

Partly Cloudy

57°F

14°C

Humidity 54%
Wind Speed S 26 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 24 Dec 11:15 PM MST
Extended Forecast for

Cottonwood Heights UT

  • Tonight

    Tonight: Rain before 5am, then showers and possibly a thunderstorm after 5am. Low around 51. South wind around 10 mph. Chance of precipitation is 80%.

    Low: 51 °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 59. South wind 8 to 14 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 44. South wind around 11 mph.

    Low: 44 °F

    Chance Rain

  • Friday

    Friday: Rain, mainly between 11am and 5pm, then showers and possibly a thunderstorm after 5pm. High near 54. South wind around 11 mph. Chance of precipitation is 90%.

    High: 54 °F

    Showers

  • Friday Night

    Friday Night: Rain before 5am, then rain likely, possibly mixed with snow. Some thunder is also possible. Low around 36. South southwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 36 °F

    Showers then
    Rain/Snow

  • Saturday

    Saturday: Rain likely, possibly mixed with snow before 8am, then snow likely between 8am and 2pm, then a chance of rain and snow after 2pm. Mostly cloudy, with a high near 44. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 44 °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 22. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

  • Sunday Night

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

    Low: 20 °F

    Mostly Clear

Detailed Forecast

Tonight
Rain before 5am, then showers and possibly a thunderstorm after 5am. Low around 51. South wind around 10 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 59. 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 44. South wind around 11 mph.
Friday
Rain, mainly between 11am and 5pm, then showers and possibly a thunderstorm after 5pm. High near 54. South wind around 11 mph. Chance of precipitation is 90%.
Friday Night
Rain before 5am, then rain likely, possibly mixed with snow. Some thunder is also possible. Low around 36. South southwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 90%. Little or no snow accumulation expected.
Saturday
Rain likely, possibly mixed with snow before 8am, then snow likely between 8am and 2pm, then a chance of rain and snow after 2pm. Mostly cloudy, with a high near 44. 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 22. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Sunday
Sunny, with a high near 39.
Sunday Night
Mostly clear, with a low around 20.
Monday
Sunny, with a high near 41.
Monday Night
Mostly clear, with a low around 25.
Tuesday
Sunny, with a high near 46.
Tuesday Night
Mostly clear, with a low around 29.
Wednesday
Sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cottonwood Heights UT
 40.63°N 111.82°W (Elev. 4580 ft)
Last Update:
2:04 pm MST Dec 24, 2025
Forecast Valid:
11pm 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