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

48°F

9°C

Humidity 46%
Wind Speed S 21 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 25 Dec 10:15 PM MST
Extended Forecast for

2 Miles NE Granite UT

Winter Weather Advisory December 26, 11:00am until December 28, 05:00am
Click here for hazard details and duration
Winter Weather Advisory
  • Tonight

    Tonight: A slight chance of rain before 11pm, then a chance of rain after 2am.  Increasing clouds, with a steady temperature around 50. South wind around 16 mph, with gusts as high as 31 mph.  Chance of precipitation is 30%.

    Low: 50 °F

    Chance Rain

  • Friday

    Friday: Rain likely, possibly mixed with snow before 2pm, then rain.  High near 50. South wind 14 to 16 mph, with gusts as high as 34 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 50 °F

    Rain/Snow
    Likely then
    Rain/Snow

  • Friday Night

    Friday Night: Rain showers before 11pm, then snow showers, possibly mixed with rain. Some thunder is also possible.  Low around 36. Southwest wind 6 to 10 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 36 °F

    Rain/Snow

  • Saturday

    Saturday: Snow before 11am, then snow showers likely after 11am. Some thunder is also possible.  High near 41. Calm wind becoming west around 6 mph in the afternoon.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Snow

  • Saturday Night

    Saturday Night: Snow likely, mainly before 11pm.  Mostly cloudy, with a low around 21. Northwest wind 6 to 8 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    Low: 21 °F

    Snow Likely

  • Sunday

    Sunday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 36.

    High: 36 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of rain before 11pm, then a chance of rain after 2am. Increasing clouds, with a steady temperature around 50. South wind around 16 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Friday
Rain likely, possibly mixed with snow before 2pm, then rain. High near 50. South wind 14 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday Night
Rain showers before 11pm, then snow showers, possibly mixed with rain. Some thunder is also possible. Low around 36. Southwest wind 6 to 10 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Saturday
Snow before 11am, then snow showers likely after 11am. Some thunder is also possible. High near 41. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 21. Northwest wind 6 to 8 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Sunday
Mostly sunny, with a high near 31.
Sunday Night
Mostly clear, with a low around 18.
Monday
Sunny, with a high near 36.
Monday Night
Mostly clear, with a low around 24.
Tuesday
Mostly sunny, with a high near 42.
Tuesday Night
Mostly clear, with a low around 29.
Wednesday
Sunny, with a high near 47.
Wednesday Night
Partly cloudy, with a low around 35.
New Year's Day
A chance of rain and snow. Mostly sunny, with a high near 50.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Granite UT
 40.59°N 111.79°W (Elev. 5348 ft)
2:04 pm MST Dec 25, 2025
10pm MST Dec 25, 2025-6pm MST Jan 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database