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

52°F

11°C

Humidity 30%
Wind Speed NE 7 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Last update 20 Jan 08:36 PM PST
Extended Forecast for

14 Miles NNW Clearlake CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. East southeast wind around 6 mph.

    Low: 47 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 57. East wind around 5 mph.

    High: 57 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 59. Calm wind becoming west around 6 mph in the afternoon.

    High: 59 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42. North wind around 7 mph.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 56. Northeast wind 7 to 9 mph.

    High: 56 °F

    Sunny

  • Friday Night

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

    Low: 41 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 47. East southeast wind around 6 mph.
Wednesday
Cloudy, with a high near 57. East wind around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 47. Calm wind.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 59. Calm wind becoming west around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 42. North wind around 7 mph.
Friday
Sunny, with a high near 56. Northeast wind 7 to 9 mph.
Friday Night
Mostly clear, with a low around 41. Breezy.
Saturday
Sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Partly sunny, with a high near 52.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Partly sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles NNW Clearlake CA
 39.15°N 122.69°W (Elev. 3255 ft)
2:13 pm PST Jan 20, 2026
9pm PST Jan 20, 2026-6pm PST Jan 27, 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