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

62°F

17°C

Humidity 54%
Wind Speed NE 3 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 07 Dec 12:26 PM PST
Extended Forecast for

22 Miles N Clearlake CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 58. North wind around 5 mph.

    High: 58 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 44. West northwest wind 3 to 6 mph.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 60. West northwest wind around 6 mph becoming light and variable  in the afternoon.

    High: 60 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45. West northwest wind around 5 mph.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 61. West northwest wind around 5 mph becoming north northeast in the afternoon.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 58. North wind around 5 mph.
Tonight
Mostly clear, with a low around 44. West northwest wind 3 to 6 mph.
Monday
Sunny, with a high near 60. West northwest wind around 6 mph becoming light and variable in the afternoon.
Monday Night
Mostly clear, with a low around 45. West northwest wind around 5 mph.
Tuesday
Sunny, with a high near 61. West northwest wind around 5 mph becoming north northeast in the afternoon.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 66.
Thursday Night
Clear, with a low around 47.
Friday
Sunny, with a high near 64.
Friday Night
Clear, with a low around 46.
Saturday
Sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles N Clearlake CA
 39.27°N 122.54°W (Elev. 2323 ft)
1:20 pm PST Dec 7, 2025
1pm PST Dec 7, 2025-6pm PST Dec 13, 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