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

Nephi Municipal Airport (KU14)

Lat: 39.7386°NLon: 111.8722°WElev: 5022.0ft.

Overcast

55°F

13°C

Humidity 58%
Wind Speed SSE 9 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 25 Dec 09:55 AM MST
Extended Forecast for

2 Miles SSW Eureka UT

Wind Advisory December 25, 10:15am until December 26, 05:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory December 25, 10:15am until December 26, 05:00pm

    NOW until 5:00pm Fri

    Wind Advisory

  • Christmas Day

    High: 50 °F

    Chance Rain
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. South southwest wind around 18 mph, with gusts as high as 32 mph.

    Low: 38 °F

    Mostly Cloudy

  • Friday

    Friday: Snow likely before 2pm, then rain, possibly mixed with snow.  High near 41. South southwest wind 16 to 21 mph, with gusts as high as 32 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 41 °F

    Snow Likely
    then
    Rain/Snow

  • Friday Night

    Friday Night: Rain and snow showers, becoming all snow after 8pm. Some thunder is also possible.  Low around 31. South southwest wind 10 to 16 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain/Snow
    then Snow
    Showers

  • Saturday

    Saturday: Snow likely.  Mostly cloudy, with a high near 34. Southwest wind 7 to 10 mph becoming west northwest in the afternoon.  Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 34 °F

    Snow Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before 11pm.  Partly cloudy, with a low around 19.

    Low: 19 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

Detailed Forecast

Christmas Day
A 30 percent chance of rain, mainly after 2pm. Mostly sunny, with a high near 50. Breezy, with a southwest wind around 22 mph, with gusts as high as 36 mph.
Tonight
Mostly cloudy, with a low around 38. South southwest wind around 18 mph, with gusts as high as 32 mph.
Friday
Snow likely before 2pm, then rain, possibly mixed with snow. High near 41. South southwest wind 16 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday Night
Rain and snow showers, becoming all snow after 8pm. Some thunder is also possible. Low around 31. South southwest wind 10 to 16 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday
Snow likely. Mostly cloudy, with a high near 34. Southwest wind 7 to 10 mph becoming west northwest in the afternoon. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Saturday Night
A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 25.
Sunday Night
Mostly clear, with a low around 17.
Monday
Sunny, with a high near 28.
Monday Night
Mostly clear, with a low around 20.
Tuesday
Sunny, with a high near 34.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
Mostly sunny, with a high near 39.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Eureka UT
 39.93°N 112.11°W (Elev. 6923 ft)
2:04 am MST Dec 25, 2025
10am MST Dec 25, 2025-6pm MST Dec 31, 2025
 
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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