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.

Clear

52°F

11°C

Humidity 37%
Wind Speed SSW 10 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 25 Dec 05:15 PM MST
Extended Forecast for

Santaquin UT

  • Tonight

    Tonight: Increasing clouds, with a low around 40. South wind 11 to 13 mph.

    Low: 40 °F

    Increasing
    Clouds

  • Friday

    Friday: Rain likely, mainly after 2pm. Mostly cloudy, with a high near 52. South southwest wind 13 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

    High: 52 °F

    Chance Rain
    then Rain
    Likely

  • Friday Night

    Friday Night: Rain showers before 2am, then rain and snow showers. Some thunder is also possible. Low around 33. South southwest wind 8 to 11 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Showers then
    Rain/Snow

  • Saturday

    Saturday: Rain and snow showers, becoming all snow after 8am. Some thunder is also possible. High near 43. West wind 6 to 8 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Rain/Snow
    then Snow
    Showers
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 18. Northwest wind around 7 mph. New snow accumulation of less than one inch possible.

    Low: 18 °F

    Chance Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 13.

    Low: 13 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 35.

    High: 35 °F

    Sunny

  • Monday Night

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

    Low: 17 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 40. South wind 11 to 13 mph.
Friday
Rain likely, mainly after 2pm. Mostly cloudy, with a high near 52. South southwest wind 13 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Friday Night
Rain showers before 2am, then rain and snow showers. Some thunder is also possible. Low around 33. South southwest wind 8 to 11 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Saturday
Rain and snow showers, becoming all snow after 8am. Some thunder is also possible. High near 43. West wind 6 to 8 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 18. Northwest wind around 7 mph. New snow accumulation of less than one inch possible.
Sunday
Mostly sunny, with a high near 31.
Sunday Night
Mostly clear, with a low around 13.
Monday
Sunny, with a high near 35.
Monday Night
Mostly clear, with a low around 17.
Tuesday
Sunny, with a high near 41.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Sunny, with a high near 48.
Wednesday Night
Mostly clear, with a low around 27.
New Year's Day
A chance of rain. Mostly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Santaquin UT
 39.96°N 111.8°W (Elev. 4997 ft)
Last Update:
2:04 pm MST Dec 25, 2025
Forecast Valid:
5pm MST Dec 25, 2025-6pm MST Jan 1, 2026
 
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