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

53°F

12°C

Humidity 31%
Wind Speed ENE 8 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Last update 21 Jan 11:36 AM PST
Extended Forecast for

14 Miles NNW Clearlake CA

  • Today

    Today: Cloudy, with a high near 57. East wind around 7 mph.

    High: 57 °F

    Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 60. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 60 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57. Northeast wind around 6 mph.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. North wind 8 to 13 mph.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Saturday Night

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

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

Detailed Forecast

Today
Cloudy, with a high near 57. East wind around 7 mph.
Tonight
Cloudy, with a low around 48. Calm wind.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 60. Calm wind becoming west northwest around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 43. Calm wind.
Friday
Sunny, with a high near 57. Northeast wind around 6 mph.
Friday Night
Mostly clear, with a low around 40. North wind 8 to 13 mph.
Saturday
Sunny, with a high near 56.
Saturday Night
Mostly clear, with a low around 39.
Sunday
Partly sunny, with a high near 52.
Sunday Night
Mostly cloudy, with a low around 39.
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)
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

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database