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

KONOCTI (KELC1)

Lat: 38.91189°NLon: 122.70631°WElev: 2163.0ft.

NA

57°F

14°C

Humidity 51%
Wind Speed NW 2 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 09 Dec 08:57 PM PST
Extended Forecast for

5 Miles SSE Clearlake CA

  • Tonight

    Tonight: Clear, with a low around 37. North northwest wind 3 to 5 mph.

    Low: 37 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71. North northwest wind 3 to 5 mph.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Areas of frost after 4am.  Otherwise, clear, with a low around 35. Light north northwest wind.

    Low: 35 °F

    Mostly Clear
    then Areas
    Frost

  • Thursday

    Thursday: Areas of frost before 7am.  Otherwise, sunny, with a high near 70. Light north northwest wind.

    High: 70 °F

    Areas Frost
    then Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 43. Calm wind.

    Low: 43 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 68. Calm wind becoming north northeast around 5 mph.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 37. North northwest wind 3 to 5 mph.
Wednesday
Sunny, with a high near 71. North northwest wind 3 to 5 mph.
Wednesday Night
Areas of frost after 4am. Otherwise, clear, with a low around 35. Light north northwest wind.
Thursday
Areas of frost before 7am. Otherwise, sunny, with a high near 70. Light north northwest wind.
Thursday Night
Clear, with a low around 43. Calm wind.
Friday
Sunny, with a high near 68. Calm wind becoming north northeast around 5 mph.
Friday Night
Mostly clear, with a low around 42.
Saturday
Sunny, with a high near 66.
Saturday Night
Mostly clear, with a low around 39.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
A slight chance of rain. Partly cloudy, with a low around 40.
Monday
A chance of rain. Partly sunny, with a high near 60.
Monday Night
A chance of rain. Mostly cloudy, with a low around 44.
Tuesday
A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Clearlake CA
 38.9°N 122.59°W (Elev. 1591 ft)
1:10 pm PST Dec 9, 2025
10pm 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