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

HIGH GLADE LOOKOUT (HGLC1)

Lat: 39.2089°NLon: 122.80999°WElev: 4807.0ft.

NA

56°F

13°C

Humidity 29%
Wind Speed NE 9 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 21 Jan 10:36 AM PST
Extended Forecast for

13 Miles E Potter Valley CA

  • Today

    Today: Cloudy, with a high near 60. Southeast wind around 6 mph.

    High: 60 °F

    Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 61. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 61 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41. West wind around 5 mph becoming calm  in the evening.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 59. Calm wind.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 37. Light north northeast wind.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

Detailed Forecast

Today
Cloudy, with a high near 60. Southeast wind around 6 mph.
Tonight
Cloudy, with a low around 45. Calm wind.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 61. Calm wind becoming northwest around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 41. West wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 59. Calm wind.
Friday Night
Mostly clear, with a low around 37. Light north northeast wind.
Saturday
Sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 55.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
Mostly sunny, with a high near 55.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
A slight chance of drizzle. Partly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles E Potter Valley CA
 39.31°N 122.87°W (Elev. 2402 ft)
1:10 am PST Jan 21, 2026
11am PST Jan 21, 2026-6pm PST Jan 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database