Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

KNOXVILLE CREEK (KNXC1)

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

NA

62°F

17°C

Humidity 33%
Wind Speed NE 5 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 21 Jan 02:09 PM PST
Extended Forecast for

Hidden Valley Lake CA

  • Tonight

    Tonight: Cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 67. Northwest wind around 5 mph becoming calm  in the morning.

    High: 67 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Patchy fog before 10am.  Otherwise, sunny, with a high near 65. Calm wind becoming north around 6 mph in the afternoon.

    High: 65 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Clear, with a low around 42. Calm wind becoming north around 6 mph in the evening.

    Low: 42 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 62. North northeast wind around 7 mph.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Cloudy, with a low around 44. Calm wind.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 67. Northwest wind around 5 mph becoming calm in the morning.
Thursday Night
Mostly clear, with a low around 42. Calm wind.
Friday
Patchy fog before 10am. Otherwise, sunny, with a high near 65. Calm wind becoming north around 6 mph in the afternoon.
Friday Night
Clear, with a low around 42. Calm wind becoming north around 6 mph in the evening.
Saturday
Sunny, with a high near 62. North northeast wind around 7 mph.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Partly sunny, with a high near 62.
Sunday Night
Mostly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 40.
Wednesday
A chance of rain. Mostly cloudy, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
Hidden Valley Lake CA
 38.8°N 122.51°W (Elev. 1240 ft)
1:23 pm PST Jan 21, 2026
3pm PST Jan 21, 2026-6pm PST Jan 28, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database