National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. 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 30%
Wind Speed S 16 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 23 Dec 08:55 PM MST
Extended Forecast for

2 Miles SE Magna UT

  • Tonight

    Tonight: Mostly cloudy, with a low around 49. South southeast wind 13 to 16 mph.

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly after 2pm. Mostly cloudy, with a high near 60. South southeast wind 14 to 17 mph.

    High: 60 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly after 8pm. Low around 51. South southeast wind 14 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 90%.

    Low: 51 °F

    Rain

  • Christmas Day

    Christmas Day: Rain likely, mainly before 11am, then a chance of showers and thunderstorms after 2pm. Patchy blowing dust before 11am. Mostly cloudy, with a high near 59. Breezy, with a south wind 20 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 70%.

    High: 59 °F

    Breezy. Rain
    Likely then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 44. Breezy, with a south wind 17 to 23 mph, with gusts as high as 41 mph.

    Low: 44 °F

    Chance Rain
    and Breezy

  • Friday

    Friday: Rain likely, then showers and possibly a thunderstorm after 11am. High near 52. Breezy. Chance of precipitation is 90%.

    High: 52 °F

    Showers and
    Breezy

  • Friday Night

    Friday Night: Rain before 11pm, then a chance of rain and snow. Low around 32. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 32 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of rain and snow before 8am, then a chance of snow. Mostly sunny, with a high near 42.

    High: 42 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 49. South southeast wind 13 to 16 mph.
Wednesday
A 30 percent chance of rain, mainly after 2pm. Mostly cloudy, with a high near 60. South southeast wind 14 to 17 mph.
Wednesday Night
Rain, mainly after 8pm. Low around 51. South southeast wind 14 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 90%.
Christmas Day
Rain likely, mainly before 11am, then a chance of showers and thunderstorms after 2pm. Patchy blowing dust before 11am. Mostly cloudy, with a high near 59. Breezy, with a south wind 20 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 44. Breezy, with a south wind 17 to 23 mph, with gusts as high as 41 mph.
Friday
Rain likely, then showers and possibly a thunderstorm after 11am. High near 52. Breezy. Chance of precipitation is 90%.
Friday Night
Rain before 11pm, then a chance of rain and snow. Low around 32. Chance of precipitation is 80%. Little or no snow accumulation expected.
Saturday
A chance of rain and snow before 8am, then a chance of snow. Mostly sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Sunny, with a high near 40.
Sunday Night
Mostly clear, with a low around 24.
Monday
Sunny, with a high near 41.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Mostly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Magna UT
 40.69°N 112.07°W (Elev. 4413 ft)
Last Update:
2:04 pm MST Dec 23, 2025
Forecast Valid:
9pm MST Dec 23, 2025-6pm MST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation