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 >

Hazardous Weather Conditions

Current conditions at

Nephi Municipal Airport (KU14)

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

Overcast

52°F

11°C

Humidity 76%
Wind Speed S 12 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 25 Dec 05:15 AM MST
Extended Forecast for

10 Miles S Vernon UT

Wind Advisory December 25, 05:39am until December 26, 05:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory December 25, 05:39am until December 26, 05:00pm

    NOW until 5:00pm Fri

    Wind Advisory

  • Overnight

    Low: 36 °F

    Rain/Snow
    Likely and
    Windy

  • Christmas Day

    Christmas Day: Rain likely, possibly mixed with snow before 8am, then a slight chance of snow. Partly sunny, with a steady temperature around 35. Windy, with a south southwest wind 31 to 34 mph, with gusts as high as 44 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 35 °F

    Windy.
    Rain/Snow
    Likely then
    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 28. Windy, with a south wind around 30 mph, with gusts as high as 40 mph.

    Low: 28 °F

    Increasing
    Clouds and
    Windy

  • Friday

    Friday: Snow likely after 11am. Mostly cloudy, with a high near 33. Windy, with a south wind 29 to 31 mph, with gusts as high as 41 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 33 °F

    Snow Likely
    and Windy

  • Friday Night

    Friday Night: Snow showers before 11pm, then snow likely after 11pm. Some thunder is also possible. Low around 24. Breezy, with a south southwest wind 14 to 22 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 24 °F

    Snow Showers
    and Breezy

  • Saturday

    Saturday: Snow likely. Mostly cloudy, with a high near 26. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 26 °F

    Snow Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 14.

    Low: 14 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 18.

    High: 18 °F

    Sunny

Detailed Forecast

Overnight
Rain likely, possibly mixed with snow. Mostly cloudy, with a steady temperature around 36. Windy, with a south southwest wind around 31 mph, with gusts as high as 41 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Christmas Day
Rain likely, possibly mixed with snow before 8am, then a slight chance of snow. Partly sunny, with a steady temperature around 35. Windy, with a south southwest wind 31 to 34 mph, with gusts as high as 44 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
Increasing clouds, with a low around 28. Windy, with a south wind around 30 mph, with gusts as high as 40 mph.
Friday
Snow likely after 11am. Mostly cloudy, with a high near 33. Windy, with a south wind 29 to 31 mph, with gusts as high as 41 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday Night
Snow showers before 11pm, then snow likely after 11pm. Some thunder is also possible. Low around 24. Breezy, with a south southwest wind 14 to 22 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Saturday
Snow likely. Mostly cloudy, with a high near 26. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Saturday Night
A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 14.
Sunday
Sunny, with a high near 18.
Sunday Night
Mostly clear, with a low around 13.
Monday
Sunny, with a high near 22.
Monday Night
Mostly clear, with a low around 16.
Tuesday
Mostly sunny, with a high near 28.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Mostly sunny, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles S Vernon UT
 39.96°N 112.5°W (Elev. 8196 ft)
Last Update:
2:04 am MST Dec 25, 2025
Forecast Valid:
5am MST Dec 25, 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