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

SUGARLOAF (SGFO3)

Lat: 43.66361°NLon: 122.62917°WElev: 4328.0ft.

NA

37°F

3°C

Humidity 82%
Wind Speed ESE 5 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill33°F (1°C)
Last update 24 Dec 07:06 PM PST
Extended Forecast for

15 Miles SW Hills Creek Res. OR

Winter Weather Advisory December 26, 04:00am until December 27, 04:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: A slight chance of showers between 11pm and midnight, then rain likely after midnight. Mostly cloudy, with a steady temperature around 37. East northeast wind 3 to 6 mph. Chance of precipitation is 60%.

    Low: 37 °F

    Slight Chance
    Showers then
    Rain Likely

  • Christmas Day

    Christmas Day: Rain likely before 5pm. Snow level 5000 feet lowering to 4200 feet in the afternoon . Partly sunny, with a high near 47. South wind 6 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

    High: 47 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely, mainly after 10pm. Snow level 3800 feet. Mostly cloudy, with a low around 33. South southeast wind 6 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Rain Likely

  • Friday

    Friday: Showers. Snow level 3500 feet. High near 41. Southwest wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 41 °F

    Showers

  • Friday Night

    Friday Night: Rain and snow showers, mainly before 4am. Snow level 2700 feet. Low around 29. West wind 3 to 6 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain/Snow

  • Saturday

    Saturday: A chance of snow showers before 1pm, then a slight chance of rain and snow showers. Mostly cloudy, with a high near 38. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Chance Snow
    Showers then
    Slight Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers between 11pm and midnight, then rain likely after midnight. Mostly cloudy, with a steady temperature around 37. East northeast wind 3 to 6 mph. Chance of precipitation is 60%.
Christmas Day
Rain likely before 5pm. Snow level 5000 feet lowering to 4200 feet in the afternoon . Partly sunny, with a high near 47. South wind 6 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Thursday Night
Rain likely, mainly after 10pm. Snow level 3800 feet. Mostly cloudy, with a low around 33. South southeast wind 6 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers. Snow level 3500 feet. High near 41. Southwest wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain and snow showers, mainly before 4am. Snow level 2700 feet. Low around 29. West wind 3 to 6 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Saturday
A chance of snow showers before 1pm, then a slight chance of rain and snow showers. Mostly cloudy, with a high near 38. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
Partly sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
Mostly sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 35.
Wednesday
A slight chance of rain. Sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles SW Hills Creek Res. OR
 43.5°N 122.6°W (Elev. 2418 ft)
Last Update:
6:41 pm PST Dec 24, 2025
Forecast Valid:
7pm PST Dec 24, 2025-6pm PST Dec 31, 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