Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Current conditions at

STONYFORD (SYWC1)

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

NA

63°F

17°C

Humidity 52%
Wind Speed ENE 0 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 10 Dec 10:26 AM PST
Extended Forecast for

20 Miles N Clearlake CA

  • Today

    Today: Widespread haze before noon. Sunny, with a high near 60. North wind around 6 mph.

    High: 60 °F

    Haze

  • Tonight

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

    Low: 51 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 59. Northwest wind 5 to 7 mph becoming north northeast in the afternoon.

    High: 59 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 49. Northwest wind around 7 mph.

    Low: 49 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 59. North northwest wind around 6 mph becoming northeast in the afternoon.

    High: 59 °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 53.

    High: 53 °F

    Mostly Sunny

Detailed Forecast

Today
Widespread haze before noon. Sunny, with a high near 60. North wind around 6 mph.
Tonight
Clear, with a low around 51. Northwest wind around 7 mph.
Thursday
Sunny, with a high near 59. Northwest wind 5 to 7 mph becoming north northeast in the afternoon.
Thursday Night
Clear, with a low around 49. Northwest wind around 7 mph.
Friday
Sunny, with a high near 59. North northwest wind around 6 mph becoming northeast 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 53.
Sunday Night
A slight chance of showers after 4am. Partly cloudy, with a low around 44.
Monday
A chance of showers. Mostly cloudy, with a high near 52.
Monday Night
Showers likely. Mostly cloudy, with a low around 48.
Tuesday
A chance of showers. Partly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
20 Miles N Clearlake CA
 39.24°N 122.56°W (Elev. 3199 ft)
1:21 am PST Dec 10, 2025
11am 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

National Digital Forecast Database