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

Nephi Municipal Airport (KU14)

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

Clear

39°F

4°C

Humidity 60%
Wind Speed S 9 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 24 Dec 04:35 AM MST
Extended Forecast for

5 Miles E Mona UT

  • Today

    Today: A chance of snow after 11am, mixing with rain after 2pm.  Mostly cloudy, with a high near 43. South wind 18 to 20 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 43 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Tonight

    Tonight: A chance of rain and snow before 8pm, then snow.  Low around 33. Breezy, with a south southwest wind around 23 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Breezy.
    Rain/Snow
    then Snow

  • Christmas Day

    Christmas Day: Snow, mainly before 2pm, then snow showers likely after 2pm. Some thunder is also possible.  High near 35. Breezy, with a south southwest wind around 23 mph, with gusts as high as 37 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Snow and
    Breezy

  • Thursday Night

    Thursday Night: A 20 percent chance of snow.  Mostly cloudy, with a low around 29. Breezy, with a south southwest wind 22 to 24 mph.

    Low: 29 °F

    Slight Chance
    Snow and
    Breezy

  • Friday

    Friday: Snow, mainly between 11am and 2pm, then snow showers after 2pm. Some thunder is also possible.  High near 31. Breezy, with a south wind 22 to 25 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 31 °F

    Snow and
    Breezy

  • Friday Night

    Friday Night: Snow showers. Some thunder is also possible.  Low around 23. Breezy.  Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    Low: 23 °F

    Snow Showers
    and Breezy

  • Saturday

    Saturday: Snow likely, mainly before 11am.  Mostly cloudy, with a high near 24. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 24 °F

    Snow Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 20.

    High: 20 °F

    Sunny

Detailed Forecast

Today
A chance of snow after 11am, mixing with rain after 2pm. Mostly cloudy, with a high near 43. South wind 18 to 20 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tonight
A chance of rain and snow before 8pm, then snow. Low around 33. Breezy, with a south southwest wind around 23 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Christmas Day
Snow, mainly before 2pm, then snow showers likely after 2pm. Some thunder is also possible. High near 35. Breezy, with a south southwest wind around 23 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 29. Breezy, with a south southwest wind 22 to 24 mph.
Friday
Snow, mainly between 11am and 2pm, then snow showers after 2pm. Some thunder is also possible. High near 31. Breezy, with a south wind 22 to 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Friday Night
Snow showers. Some thunder is also possible. Low around 23. Breezy. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Saturday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 24. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Saturday Night
Partly cloudy, with a low around 15.
Sunday
Sunny, with a high near 20.
Sunday Night
Mostly clear, with a low around 15.
Monday
Sunny, with a high near 23.
Monday Night
Mostly clear, with a low around 18.
Tuesday
Sunny, with a high near 27.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Mona UT
 39.81°N 111.78°W (Elev. 10039 ft)
2:03 am MST Dec 24, 2025
4am MST Dec 24, 2025-6pm MST Dec 30, 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