Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

KNOXVILLE CREEK (KNXC1)

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

NA

48°F

9°C

Humidity 62%
Wind Speed N 4 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Wind Chill47°F (8°C)
Last update 18 Jan 07:09 PM PST
Extended Forecast for

4 Miles SSW Hidden Valley Lake CA

  • Tonight

    Tonight: Partly cloudy, with a low around 36. Northwest wind 3 to 5 mph.

    Low: 36 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 71. West northwest wind around 6 mph becoming north in the afternoon.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 36. Northwest wind 3 to 6 mph.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68. Light and variable wind.

    High: 68 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 67. Calm wind.

    High: 67 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 36. Northwest wind 3 to 5 mph.
M.L.King Day
Sunny, with a high near 71. West northwest wind around 6 mph becoming north in the afternoon.
Monday Night
Mostly clear, with a low around 36. Northwest wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 68. Light and variable wind.
Tuesday Night
Mostly cloudy, with a low around 42. Calm wind.
Wednesday
Partly sunny, with a high near 67. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 39.
Friday
Sunny, with a high near 66.
Friday Night
Patchy fog. Otherwise, mostly clear, with a low around 39.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Hidden Valley Lake CA
 38.77°N 122.56°W (Elev. 958 ft)
1:10 pm PST Jan 18, 2026
7pm PST Jan 18, 2026-6pm PST Jan 25, 2026
 
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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