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

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.

Overcast

54°F

12°C

Humidity 40%
Wind Speed SE 10 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 24 Dec 01:15 AM MST
Extended Forecast for

Ephraim UT

  • Overnight

    Overnight: Partly cloudy, with a low around 34. Southeast wind 5 to 7 mph.

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly after 2pm. Partly sunny, with a high near 59. Northeast wind 6 to 13 mph becoming south southeast in the afternoon.

    High: 59 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly after 8pm. Low around 38. South southeast wind 8 to 13 mph. Chance of precipitation is 90%.

    Low: 38 °F

    Rain

  • Christmas Day

    Christmas Day: Rain likely, mainly before 11am. Partly sunny, with a high near 58. South southwest wind 6 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 70%.

    High: 58 °F

    Rain Likely
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain after 11pm. Partly cloudy, with a low around 30. South southwest wind 6 to 9 mph.

    Low: 30 °F

    Slight Chance
    Rain

  • Friday

    Friday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 50. Chance of precipitation is 70%.

    High: 50 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain before 8pm, then rain, possibly mixed with snow. Low around 23. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Rain/Snow

  • Saturday

    Saturday: A chance of snow. Mostly cloudy, with a high near 42.

    High: 42 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 14.

    Low: 14 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 34. Southeast wind 5 to 7 mph.
Wednesday
A 30 percent chance of rain, mainly after 2pm. Partly sunny, with a high near 59. Northeast wind 6 to 13 mph becoming south southeast in the afternoon.
Wednesday Night
Rain, mainly after 8pm. Low around 38. South southeast wind 8 to 13 mph. Chance of precipitation is 90%.
Christmas Day
Rain likely, mainly before 11am. Partly sunny, with a high near 58. South southwest wind 6 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 70%.
Thursday Night
A 20 percent chance of rain after 11pm. Partly cloudy, with a low around 30. South southwest wind 6 to 9 mph.
Friday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 50. Chance of precipitation is 70%.
Friday Night
Rain before 8pm, then rain, possibly mixed with snow. Low around 23. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday
A chance of snow. Mostly cloudy, with a high near 42.
Saturday Night
Mostly clear, with a low around 14.
Sunday
Sunny, with a high near 42.
Sunday Night
Mostly clear, with a low around 17.
Monday
Sunny, with a high near 46.
Monday Night
Partly cloudy, with a low around 21.
Tuesday
Sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ephraim UT
 39.36°N 111.59°W (Elev. 5564 ft)
Last Update:
2:04 pm MST Dec 23, 2025
Forecast Valid:
1am MST Dec 24, 2025-6pm MST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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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