Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Alturas (KAAT)

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

Clear

19°F

-7°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 18°F (-8°C)
Visibility 7.00 mi
Last update 20 Jan 02:00 AM PST
Extended Forecast for

11 Miles ENE Bieber CA

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 32. Northeast wind around 6 mph.

    Low: 32 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58. Southeast wind 3 to 6 mph.

    High: 58 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28. Light east wind.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Patchy fog between 7am and 8am.  Otherwise, partly sunny, with a high near 59. Calm wind.

    High: 59 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 7am.  Otherwise, mostly sunny, with a high near 58.

    High: 58 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 32.

    Low: 32 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 32. Northeast wind around 6 mph.
Tuesday
Mostly sunny, with a high near 58. Southeast wind 3 to 6 mph.
Tuesday Night
Mostly cloudy, with a low around 28. Light east wind.
Wednesday
Patchy fog between 7am and 8am. Otherwise, partly sunny, with a high near 59. Calm wind.
Wednesday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 30. Calm wind.
Thursday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 58.
Thursday Night
Mostly clear, with a low around 32.
Friday
Sunny, with a high near 53.
Friday Night
Clear, with a low around 32.
Saturday
Sunny, with a high near 53.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Partly sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Partly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles ENE Bieber CA
 41.19°N 120.96°W (Elev. 4199 ft)
1:36 am PST Jan 20, 2026
2am PST Jan 20, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database