Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

MOUNT ZION (MTZC1)

Lat: 38.39006°NLon: 120.6524°WElev: 2967.0ft.

NA

60°F

16°C

Humidity 46%
Wind Speed N 1 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 09 Dec 10:56 PM PST
Extended Forecast for

4 Miles ESE Ione CA

  • Tonight

    Tonight: Widespread haze. Widespread dense fog, mainly after 4am.  Otherwise, partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Dense Fog

  • Wednesday

    Wednesday: Widespread haze. Widespread dense fog, mainly before noon.  Otherwise, mostly sunny, with a high near 45. Calm wind.

    High: 45 °F

    Dense Fog

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 46. Calm wind.

    High: 46 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Tonight
Widespread haze. Widespread dense fog, mainly after 4am. Otherwise, partly cloudy, with a low around 41. Calm wind.
Wednesday
Widespread haze. Widespread dense fog, mainly before noon. Otherwise, mostly sunny, with a high near 45. Calm wind.
Wednesday Night
Mostly clear, with a low around 44. Calm wind.
Thursday
Sunny, with a high near 46. Calm wind.
Thursday Night
Mostly clear, with a low around 45. Calm wind.
Friday
Sunny, with a high near 48.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 45.
Monday
A slight chance of showers. Mostly cloudy, with a high near 57.
Monday Night
A chance of showers. Mostly cloudy, with a low around 48.
Tuesday
A chance of showers. Partly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Ione CA
 38.35°N 120.89°W (Elev. 591 ft)
1:21 pm PST Dec 9, 2025
11pm PST Dec 9, 2025-6pm PST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database