National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Nephi Municipal Airport (KU14)

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

Overcast

46°F

8°C

Humidity 49%
Wind Speed S 4 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 07 Dec 12:35 PM MST
Extended Forecast for

Nephi UT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 46. Light south southwest wind.

    High: 46 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. Light southeast wind.

    Low: 26 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 48. Calm wind.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28. Calm wind becoming southeast around 5 mph.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51. Light and variable wind becoming south southwest around 5 mph in the afternoon.

    High: 51 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain after 11am. Partly sunny, with a high near 54.

    High: 54 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A slight chance of rain. Mostly sunny, with a high near 53.

    High: 53 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 46. Light south southwest wind.
Tonight
Mostly cloudy, with a low around 26. Light southeast wind.
Monday
Sunny, with a high near 48. Calm wind.
Monday Night
Partly cloudy, with a low around 28. Calm wind becoming southeast around 5 mph.
Tuesday
Mostly sunny, with a high near 51. Light and variable wind becoming south southwest around 5 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 54.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 34.
Thursday
A slight chance of rain. Mostly sunny, with a high near 53.
Thursday Night
Partly cloudy, with a low around 31.
Friday
Mostly sunny, with a high near 53.
Friday Night
Mostly clear, with a low around 30.
Saturday
Sunny, with a high near 55.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nephi UT
 39.71°N 111.85°W (Elev. 5092 ft)
Last Update:
2:03 am MST Dec 7, 2025
Forecast Valid:
1pm MST Dec 7, 2025-6pm MST Dec 13, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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