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

Provo Municipal Airport (KPVU)

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

Overcast

54°F

12°C

Humidity 40%
Wind Speed ESE 4 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 24 Dec 02:35 AM MST
Extended Forecast for

American Fork UT

  • Overnight

    Overnight: Mostly cloudy, with a low around 48. Southeast wind around 8 mph.

    Low: 48 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of rain after 11am. Mostly cloudy, with a high near 60. Southeast wind 8 to 13 mph.

    High: 60 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly after 11pm. Low around 44. Southeast wind 10 to 14 mph. Chance of precipitation is 80%.

    Low: 44 °F

    Rain

  • Christmas Day

    Christmas Day: Rain, mainly before 2pm, then showers likely and possibly a thunderstorm after 2pm. High near 56. South wind 9 to 15 mph. Chance of precipitation is 80%.

    High: 56 °F

    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 41. South wind 10 to 14 mph, with gusts as high as 30 mph.

    Low: 41 °F

    Chance Rain

  • Friday

    Friday: Rain, mainly between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 50. Chance of precipitation is 80%.

    High: 50 °F

    Showers

  • Friday Night

    Friday Night: Rain before 2am, then rain likely, possibly mixed with snow. Some thunder is also possible. Low around 31. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 31 °F

    Showers then
    Rain/Snow
    Likely

  • Saturday

    Saturday: A chance of rain and snow. Partly sunny, with a high near 44.

    High: 44 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 48. Southeast wind around 8 mph.
Wednesday
A 40 percent chance of rain after 11am. Mostly cloudy, with a high near 60. Southeast wind 8 to 13 mph.
Wednesday Night
Rain, mainly after 11pm. Low around 44. Southeast wind 10 to 14 mph. Chance of precipitation is 80%.
Christmas Day
Rain, mainly before 2pm, then showers likely and possibly a thunderstorm after 2pm. High near 56. South wind 9 to 15 mph. Chance of precipitation is 80%.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 41. South wind 10 to 14 mph, with gusts as high as 30 mph.
Friday
Rain, mainly between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 50. Chance of precipitation is 80%.
Friday Night
Rain before 2am, then rain likely, possibly mixed with snow. Some thunder is also possible. Low around 31. Chance of precipitation is 90%. Little or no snow accumulation expected.
Saturday
A chance of rain and snow. Partly sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Sunny, with a high near 40.
Sunday Night
Mostly clear, with a low around 21.
Monday
Sunny, with a high near 43.
Monday Night
Mostly clear, with a low around 24.
Tuesday
Sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
American Fork UT
 40.38°N 111.81°W (Elev. 4587 ft)
Last Update:
2:03 am MST Dec 24, 2025
Forecast Valid:
2am MST Dec 24, 2025-6pm MST Dec 30, 2025
 
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