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

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Current conditions at

Alturas (KAAT)

Lat: 41.48362°NLon: 120.5615°WElev: 4383.0ft.

Overcast

41°F

5°C

Humidity 80%
Wind Speed S 6 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 02 Jan 03:20 AM PST
Extended Forecast for

11 Miles ENE Bieber CA

  • Overnight

    Overnight: A 20 percent chance of rain before 4am. Mostly cloudy, with a low around 36. East southeast wind around 5 mph.

    Low: 36 °F

    Slight Chance
    Rain

  • Friday

    Friday: A 20 percent chance of rain after 10am. Snow level 6700 feet. Mostly cloudy, with a high near 49. South wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 49 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: Rain likely, mainly after 2am. Snow level 6500 feet. Mostly cloudy, with a low around 35. Southeast wind around 9 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Mostly Cloudy
    then Rain
    Likely

  • Saturday

    Saturday: Rain. Snow level 6100 feet. High near 48. South southwest wind 7 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Snow level 5600 feet. Low around 35. South wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 35 °F

    Rain

  • Sunday

    Sunday: Rain. Snow level 5300 feet. High near 44. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 44 °F

    Rain

  • Sunday Night

    Sunday Night: Rain, possibly mixed with snow, mainly before 4am. Snow level 4600 feet. Low around 31. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain/Snow

  • Monday

    Monday: Rain, possibly mixed with snow, mainly before 4pm. Snow level 4400 feet. Mostly cloudy, with a high near 42.

    High: 42 °F

    Rain/Snow

  • Monday Night

    Monday Night: A chance of rain and snow before 10pm. Snow level 4200 feet. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

Detailed Forecast

Overnight
A 20 percent chance of rain before 4am. Mostly cloudy, with a low around 36. East southeast wind around 5 mph.
Friday
A 20 percent chance of rain after 10am. Snow level 6700 feet. Mostly cloudy, with a high near 49. South wind 7 to 11 mph, with gusts as high as 21 mph.
Friday Night
Rain likely, mainly after 2am. Snow level 6500 feet. Mostly cloudy, with a low around 35. Southeast wind around 9 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. Snow level 6100 feet. High near 48. South southwest wind 7 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain. Snow level 5600 feet. Low around 35. South wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. Snow level 5300 feet. High near 44. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain, possibly mixed with snow, mainly before 4am. Snow level 4600 feet. Low around 31. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
Rain, possibly mixed with snow, mainly before 4pm. Snow level 4400 feet. Mostly cloudy, with a high near 42.
Monday Night
A chance of rain and snow before 10pm. Snow level 4200 feet. Mostly cloudy, with a low around 26.
Tuesday
Partly sunny, with a high near 44.
Tuesday Night
A chance of rain and snow. Snow level 4400 feet. Mostly cloudy, with a low around 29.
Wednesday
Snow likely. Mostly cloudy, with a high near 41.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 21.
Thursday
A chance of snow. Partly sunny, with a high near 39.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles ENE Bieber CA
 41.19°N 120.96°W (Elev. 4199 ft)
Last Update:
2:21 am PST Jan 2, 2026
Forecast Valid:
3am PST Jan 2, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation