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

STONYFORD (SYWC1)

Lat: 39.35523°NLon: 122.65831°WElev: 1540.0ft.

NA

33°F

1°C

Humidity 95%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 10 Dec 03:26 AM PST
Extended Forecast for

22 Miles NNE Lakeport CA

  • Today

    Today: Widespread haze before noon. Sunny, with a high near 59. Northwest wind around 6 mph becoming calm  in the morning.

    High: 59 °F

    Haze then
    Sunny

  • Tonight

    Tonight: Clear, with a low around 52. West northwest wind around 7 mph.

    Low: 52 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 59. Northwest wind around 6 mph becoming calm  in the afternoon.

    High: 59 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 51. Northwest wind around 7 mph.

    Low: 51 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 60. North northwest wind around 5 mph becoming calm  in the afternoon.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

Detailed Forecast

Today
Widespread haze before noon. Sunny, with a high near 59. Northwest wind around 6 mph becoming calm in the morning.
Tonight
Clear, with a low around 52. West northwest wind around 7 mph.
Thursday
Sunny, with a high near 59. Northwest wind around 6 mph becoming calm in the afternoon.
Thursday Night
Clear, with a low around 51. Northwest wind around 7 mph.
Friday
Sunny, with a high near 60. North northwest wind around 5 mph becoming calm in the afternoon.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 56.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
A slight chance of showers after 4am. Mostly cloudy, with a low around 46.
Monday
A chance of showers. Mostly cloudy, with a high near 51.
Monday Night
Showers likely. Mostly cloudy, with a low around 47.
Tuesday
A chance of showers. Partly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NNE Lakeport CA
 39.31°N 122.7°W (Elev. 4029 ft)
1:21 am PST Dec 10, 2025
4am PST Dec 10, 2025-6pm PST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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