Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

STONYFORD (SYWC1)

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

NA

32°F

0°C

Humidity 94%
Wind Speed SW 1 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 07 Dec 10:26 PM PST
Extended Forecast for

20 Miles NNE Lakeport CA

  • Tonight

    Tonight: Mostly clear, with a low around 42. Northwest wind around 9 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 50. West northwest wind 5 to 9 mph becoming calm  in the morning.

    High: 50 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45. West northwest wind 7 to 9 mph.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 52. West northwest wind 5 to 9 mph becoming light west  in the afternoon.

    High: 52 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47. Northwest wind around 10 mph.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Wednesday Night

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

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 47.

    Low: 47 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 42. Northwest wind around 9 mph.
Monday
Sunny, with a high near 50. West northwest wind 5 to 9 mph becoming calm in the morning.
Monday Night
Mostly clear, with a low around 45. West northwest wind 7 to 9 mph.
Tuesday
Sunny, with a high near 52. West northwest wind 5 to 9 mph becoming light west in the afternoon.
Tuesday Night
Mostly clear, with a low around 47. Northwest wind around 10 mph.
Wednesday
Sunny, with a high near 55.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 56.
Thursday Night
Clear, with a low around 47.
Friday
Sunny, with a high near 55.
Friday Night
Clear, with a low around 46.
Saturday
Sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Mostly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
20 Miles NNE Lakeport CA
 39.28°N 122.72°W (Elev. 5381 ft)
1:20 pm PST Dec 7, 2025
10pm PST Dec 7, 2025-6pm PST Dec 14, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database