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

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Hazardous Weather Conditions

Current conditions at

Nephi Municipal Airport (KU14)

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

Overcast

48°F

9°C

Humidity 87%
Wind Speed SSE 2 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 01 Jan 05:15 PM MST
Extended Forecast for

5 Miles E Mona UT

Winter Weather Advisory January 1, 05:38pm until January 2, 11:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 1, 05:38pm until January 2, 11:00am

    NOW until 11:00am Fri

    Winter Weather Advisory

  • New Year's Day

    High: 34 °F

    Snow Likely

  • Tonight

    Tonight: Snow. Low around 28. West southwest wind 13 to 16 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 28 °F

    Snow

  • Friday

    Friday: Snow, mainly before 8am. High near 31. West wind 8 to 15 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 31 °F

    Snow then
    Chance Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26. West wind 7 to 10 mph becoming southeast in the evening.

    Low: 26 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 35. South southeast wind 10 to 13 mph.

    High: 35 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 31. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance Snow

  • Sunday

    Sunday: A 50 percent chance of snow. Mostly cloudy, with a high near 35. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly after 11pm. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Snow Likely

Detailed Forecast

New Year's Day
Snow likely. Mostly cloudy, with a high near 34. Southwest wind around 13 mph. Chance of precipitation is 70%. Total daytime snow accumulation of around an inch possible.
Tonight
Snow. Low around 28. West southwest wind 13 to 16 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Friday
Snow, mainly before 8am. High near 31. West wind 8 to 15 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Friday Night
Partly cloudy, with a low around 26. West wind 7 to 10 mph becoming southeast in the evening.
Saturday
Mostly cloudy, with a high near 35. South southeast wind 10 to 13 mph.
Saturday Night
A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 31. New snow accumulation of less than a half inch possible.
Sunday
A 50 percent chance of snow. Mostly cloudy, with a high near 35. New snow accumulation of less than a half inch possible.
Sunday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 31.
Monday
Snow. Cloudy, with a high near 32.
Monday Night
A chance of snow. Mostly cloudy, with a low around 27.
Tuesday
A chance of snow. Partly sunny, with a high near 30.
Tuesday Night
A slight chance of snow. Partly cloudy, with a low around 23.
Wednesday
A chance of snow. Partly sunny, with a high near 28.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 22.
Thursday
Snow likely. Mostly cloudy, with a high near 24.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Mona UT
 39.81°N 111.75°W (Elev. 9081 ft)
Last Update:
2:19 pm MST Jan 1, 2026
Forecast Valid:
5pm MST Jan 1, 2026-6pm MST Jan 8, 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