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 >

Current conditions at

SUGARLOAF (SHF) (SLFC1)

Lat: 40.91596°NLon: 122.43483°WElev: 3259.0ft.

NA

42°F

6°C

Humidity 100%
Wind Speed WSW 13 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Wind Chill35°F (2°C)
Last update 24 Dec 06:19 PM PST
Extended Forecast for

9 Miles NW Central Valley CA

Flood Watch December 24, 06:51pm until December 26, 04:00pm
Winter Storm Warning until December 26, 10:00pm
Click here for hazard details and duration
Flood Watch
Winter Storm Warning
  •  
    Flood Watch December 24, 06:51pm until December 26, 04:00pm
    Winter Storm Warning until December 26, 10:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 42 °F

    Heavy Rain
    and Breezy

  • Christmas Day

    Christmas Day: Rain, mainly before 1pm, then showers and possibly a thunderstorm after 1pm.  High near 42. Breezy, with a south southeast wind 20 to 28 mph, with gusts as high as 41 mph.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 42 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Rain.  Low around 36. South wind around 21 mph, with gusts as high as 31 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 36 °F

    Rain

  • Friday

    Friday: Rain.  High near 39. South southeast wind 14 to 18 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 39 °F

    Rain

  • Friday Night

    Friday Night: Snow, mainly before 10pm.  Low around 31. Southwest wind around 6 mph becoming northwest after midnight.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Snow then
    Chance Snow

  • Saturday

    Saturday: A slight chance of snow before 1pm, then a slight chance of rain.  Mostly sunny, with a high near 42. Chance of precipitation is 20%.

    High: 42 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

Tonight
Rain, mainly after 8pm. The rain could be heavy at times. Steady temperature around 42. Breezy, with a south southeast wind 14 to 19 mph increasing to 23 to 28 mph after midnight. Winds could gust as high as 44 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Christmas Day
Rain, mainly before 1pm, then showers and possibly a thunderstorm after 1pm. High near 42. Breezy, with a south southeast wind 20 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Thursday Night
Rain. Low around 36. South wind around 21 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Friday
Rain. High near 39. South southeast wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Friday Night
Snow, mainly before 10pm. Low around 31. Southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday
A slight chance of snow before 1pm, then a slight chance of rain. Mostly sunny, with a high near 42. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 47.
Sunday Night
Mostly clear, with a low around 34.
Monday
Sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Sunny, with a high near 53.
Tuesday Night
Mostly clear, with a low around 38.
Wednesday
Sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NW Central Valley CA
 40.78°N 122.48°W (Elev. 4111 ft)
1:21 pm PST Dec 24, 2025
6pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
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Additional Resources

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