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 >

Hazardous Weather Conditions

Current conditions at

Provo Municipal Airport (KPVU)

Lat: 40.2239°NLon: 111.7253°WElev: 4495.0ft.

Clear

52°F

11°C

Humidity 57%
Wind Speed WSW 8 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 25 Dec 11:35 AM MST
Extended Forecast for

5 Miles NE Ironton UT

Winter Weather Advisory December 26, 11:00am until December 28, 05:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Christmas Day

    Christmas Day: A chance of snow showers before 2pm, then a chance of snow after 2pm. Some thunder is also possible. Mostly cloudy, with a high near 35. Southwest wind around 20 mph, with gusts as high as 36 mph. Chance of precipitation is 40%. Total daytime snow accumulation of less than a half inch possible.

    High: 35 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: A slight chance of snow before 11pm, then a slight chance of snow after 2am. Mostly cloudy, with a low around 28. South southwest wind around 18 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.

    Low: 28 °F

    Slight Chance
    Snow

  • Friday

    Friday: Snow, mainly after 11am. High near 29. South southwest wind around 18 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 29 °F

    Snow

  • Friday Night

    Friday Night: Snow showers. The snow could be heavy at times. Some thunder is also possible. Low around 22. West southwest wind 14 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    Low: 22 °F

    Heavy Snow

  • Saturday

    Saturday: Snow. High near 24. West wind around 11 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 24 °F

    Snow

  • Saturday Night

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

    Low: 11 °F

    Chance Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 15.

    High: 15 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 10.

    Low: 10 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 19.

    High: 19 °F

    Sunny

Detailed Forecast

Christmas Day
A chance of snow showers before 2pm, then a chance of snow after 2pm. Some thunder is also possible. Mostly cloudy, with a high near 35. Southwest wind around 20 mph, with gusts as high as 36 mph. Chance of precipitation is 40%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A slight chance of snow before 11pm, then a slight chance of snow after 2am. Mostly cloudy, with a low around 28. South southwest wind around 18 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Friday
Snow, mainly after 11am. High near 29. South southwest wind around 18 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Friday Night
Snow showers. The snow could be heavy at times. Some thunder is also possible. Low around 22. West southwest wind 14 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Saturday
Snow. High near 24. West wind around 11 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Saturday Night
A 40 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 11. New snow accumulation of less than one inch possible.
Sunday
Mostly sunny, with a high near 15.
Sunday Night
Mostly clear, with a low around 10.
Monday
Sunny, with a high near 19.
Monday Night
Mostly clear, with a low around 13.
Tuesday
Mostly sunny, with a high near 25.
Tuesday Night
Mostly clear, with a low around 20.
Wednesday
Sunny, with a high near 30.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Ironton UT
 40.25°N 111.56°W (Elev. 9600 ft)
Last Update:
2:04 am MST Dec 25, 2025
Forecast Valid:
11am MST Dec 25, 2025-6pm MST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation