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

52°F

11°C

Humidity 46%
Wind Speed SSW 24 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 24 Dec 08:15 AM MST
Extended Forecast for

Cottonwood Heights UT

  • Today

    Today: A 40 percent chance of rain after 11am. Mostly cloudy, with a high near 63. South wind 8 to 10 mph.

    High: 63 °F

    Chance Rain

  • Tonight

    Tonight: Rain, mainly before 5am, then showers and possibly a thunderstorm after 5am. Low around 46. South southeast wind around 10 mph. Chance of precipitation is 80%.

    Low: 46 °F

    Showers

  • Christmas Day

    Christmas Day: Rain and possibly a thunderstorm before 11am, then rain likely between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. High near 58. South wind 9 to 14 mph. Chance of precipitation is 90%.

    High: 58 °F

    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 43. South wind around 11 mph.

    Low: 43 °F

    Chance Rain

  • Friday

    Friday: Rain, mainly before 2pm, then showers and possibly a thunderstorm after 2pm. High near 53. South wind 8 to 11 mph. Chance of precipitation is 90%.

    High: 53 °F

    Showers

  • Friday Night

    Friday Night: Rain before 5am, then rain likely, possibly mixed with snow. Some thunder is also possible. Low around 33. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 33 °F

    Showers then
    Rain/Snow
    Likely

  • Saturday

    Saturday: A chance of rain and snow. Partly sunny, with a high near 45. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 45 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

Detailed Forecast

Today
A 40 percent chance of rain after 11am. Mostly cloudy, with a high near 63. South wind 8 to 10 mph.
Tonight
Rain, mainly before 5am, then showers and possibly a thunderstorm after 5am. Low around 46. South southeast wind around 10 mph. Chance of precipitation is 80%.
Christmas Day
Rain and possibly a thunderstorm before 11am, then rain likely between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. High near 58. South wind 9 to 14 mph. Chance of precipitation is 90%.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 43. South wind around 11 mph.
Friday
Rain, mainly before 2pm, then showers and possibly a thunderstorm after 2pm. High near 53. South wind 8 to 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 33. Chance of precipitation is 90%. Little or no snow accumulation expected.
Saturday
A chance of rain and snow. Partly sunny, with a high near 45. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Sunny, with a high near 42.
Sunday Night
Mostly clear, with a low around 22.
Monday
Sunny, with a high near 45.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cottonwood Heights UT
 40.65°N 111.82°W (Elev. 4508 ft)
Last Update:
2:03 am MST Dec 24, 2025
Forecast Valid:
8am MST Dec 24, 2025-6pm MST Dec 30, 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