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 >

Current conditions at

Nephi Municipal Airport (KU14)

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

Overcast

61°F

16°C

Humidity 44%
Wind Speed S 21 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 24 Dec 05:35 PM MST
Extended Forecast for

Manti Ephram Arpt UT

  • This Afternoon

    This Afternoon: A 40 percent chance of rain. Mostly cloudy, with a high near 58. South wind around 11 mph.

    High: 58 °F

    Chance Rain

  • Tonight

    Tonight: Rain likely, mainly after 11pm. Mostly cloudy, with a low around 41. South southwest wind 6 to 11 mph. Chance of precipitation is 70%.

    Low: 41 °F

    Rain Likely

  • Christmas Day

    Christmas Day: Rain likely, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 58. South southwest wind 6 to 14 mph. Chance of precipitation is 70%.

    High: 58 °F

    Rain Likely
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 29. South wind 6 to 10 mph.

    Low: 29 °F

    Partly Cloudy

  • Friday

    Friday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 52. South wind 6 to 13 mph. Chance of precipitation is 60%.

    High: 52 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain likely. Mostly cloudy, with a low around 27. Chance of precipitation is 70%.

    Low: 27 °F

    Rain Likely

  • Saturday

    Saturday: Rain and snow likely before 8am, then snow likely between 8am and 2pm, then rain likely, possibly mixed with snow after 2pm. Mostly cloudy, with a high near 42. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: A slight chance of snow before 11pm. Partly cloudy, with a low around 10.

    Low: 10 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 36.

    High: 36 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of rain. Mostly cloudy, with a high near 58. South wind around 11 mph.
Tonight
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 41. South southwest wind 6 to 11 mph. Chance of precipitation is 70%.
Christmas Day
Rain likely, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 58. South southwest wind 6 to 14 mph. Chance of precipitation is 70%.
Thursday Night
Partly cloudy, with a low around 29. South wind 6 to 10 mph.
Friday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 52. South wind 6 to 13 mph. Chance of precipitation is 60%.
Friday Night
Rain likely. Mostly cloudy, with a low around 27. Chance of precipitation is 70%.
Saturday
Rain and snow likely before 8am, then snow likely between 8am and 2pm, then rain likely, possibly mixed with snow after 2pm. Mostly cloudy, with a high near 42. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday Night
A slight chance of snow before 11pm. Partly cloudy, with a low around 10.
Sunday
Sunny, with a high near 36.
Sunday Night
Mostly clear, with a low around 10.
Monday
Sunny, with a high near 42.
Monday Night
Mostly clear, with a low around 15.
Tuesday
Sunny, with a high near 48.
Tuesday Night
Mostly clear, with a low around 20.
Wednesday
A slight chance of rain. Sunny, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Manti Ephram Arpt UT
 39.34°N 111.61°W (Elev. 5499 ft)
Last Update:
2:04 pm MST Dec 24, 2025
Forecast Valid:
5pm MST Dec 24, 2025-6pm MST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation