Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

MANZANITA LAKE (VIOC1)

Lat: 40.54011°NLon: 121.58016°WElev: 5732.0ft.

NA

30°F

-1°C

Humidity 93%
Wind Speed E 1 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 09 Dec 03:52 AM PST
Extended Forecast for

20 Miles NW Chester CA

  • Today

    Today: Widespread haze before 11am. Sunny, with a high near 42. West northwest wind 6 to 9 mph.

    High: 42 °F

    Haze then
    Sunny

  • Tonight

    Tonight: Mostly clear, with a temperature rising to around 39 by 1am. North northwest wind around 10 mph.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 43. Northeast wind 5 to 9 mph becoming north northwest in the afternoon.

    High: 43 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 37. East northeast wind 10 to 13 mph.

    Low: 37 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 45. North wind 5 to 10 mph becoming light northwest  in the afternoon.

    High: 45 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 35.

    Low: 35 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

Detailed Forecast

Today
Widespread haze before 11am. Sunny, with a high near 42. West northwest wind 6 to 9 mph.
Tonight
Mostly clear, with a temperature rising to around 39 by 1am. North northwest wind around 10 mph.
Wednesday
Sunny, with a high near 43. Northeast wind 5 to 9 mph becoming north northwest in the afternoon.
Wednesday Night
Clear, with a low around 37. East northeast wind 10 to 13 mph.
Thursday
Sunny, with a high near 45. North wind 5 to 10 mph becoming light northwest in the afternoon.
Thursday Night
Clear, with a low around 35.
Friday
Sunny, with a high near 45.
Friday Night
Mostly clear, with a low around 35.
Saturday
Sunny, with a high near 42.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Mostly sunny, with a high near 36.
Sunday Night
A slight chance of snow showers. Mostly cloudy, with a low around 32.
Monday
A chance of snow showers. Partly sunny, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
20 Miles NW Chester CA
 40.48°N 121.51°W (Elev. 9485 ft)
1:20 am PST Dec 9, 2025
4am PST Dec 9, 2025-6pm PST Dec 15, 2025
 
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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