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

KNOXVILLE CREEK (KNXC1)

Lat: 38.86194°NLon: 122.41722°WElev: 2200.0ft.

NA

48°F

9°C

Humidity 65%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 09 Dec 08:09 PM PST
Extended Forecast for

3 Miles NE Middletown CA

  • Tonight

    Tonight: Clear, with a low around 37. Light west wind.

    Low: 37 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71. Light north wind.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Areas of frost after 4am.  Otherwise, mostly clear, with a low around 35. Calm wind becoming northwest around 5 mph after midnight.

    Low: 35 °F

    Mostly Clear
    then Areas
    Frost

  • Thursday

    Thursday: Areas of frost before 7am.  Otherwise, sunny, with a high near 70. North northeast wind 3 to 6 mph.

    High: 70 °F

    Areas Frost
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 69. Light east northeast wind.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 37. Light west wind.
Wednesday
Sunny, with a high near 71. Light north wind.
Wednesday Night
Areas of frost after 4am. Otherwise, mostly clear, with a low around 35. Calm wind becoming northwest around 5 mph after midnight.
Thursday
Areas of frost before 7am. Otherwise, sunny, with a high near 70. North northeast wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 44. Calm wind.
Friday
Sunny, with a high near 69. Light east northeast wind.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 40.
Monday
A chance of rain. Partly sunny, with a high near 61.
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 64.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Middletown CA
 38.79°N 122.59°W (Elev. 1398 ft)
1:10 pm PST Dec 9, 2025
8pm 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