National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Blizzard Conditions Are Forecast Across Parts of the Northern Plains and Upper Great Lakes

In the north-central U.S., a strong storm will continue to bring heavy snow and gusty to high winds over parts of the northern Plains and Upper Midwest tonight before moving across the Great Lakes with heavy lake effect snow Wednesday into Thanksgiving Day. Read More >

Hazardous Weather Conditions

Current conditions at

KONOCTI (KELC1)

Lat: 38.91189°NLon: 122.70631°WElev: 2163.0ft.

NA

49°F

9°C

Humidity 43%
Wind Speed WSW 2 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 25 Nov 10:57 PM PST
Extended Forecast for

Clearlake CA

Frost Advisory November 26, 02:00am until November 26, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Widespread frost, mainly after 4am. Otherwise, partly cloudy, with a low around 33. Light east wind.

    Low: 33 °F

    Frost

  • Wednesday

    Wednesday: Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 67. Calm wind.

    High: 67 °F

    Frost then
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Partly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 69. Light and variable wind.

    High: 69 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41. West northwest wind 3 to 5 mph.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 63. Calm wind.

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Tonight
Widespread frost, mainly after 4am. Otherwise, partly cloudy, with a low around 33. Light east wind.
Wednesday
Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 67. Calm wind.
Wednesday Night
Partly cloudy, with a low around 43. Calm wind.
Thanksgiving Day
Mostly sunny, with a high near 69. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 41. West northwest wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 63. Calm wind.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Sunny, with a high near 65.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Mostly sunny, with a high near 63.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clearlake CA
 38.96°N 122.63°W (Elev. 1348 ft)
Last Update:
11:00 pm PST Nov 25, 2025
Forecast Valid:
11pm PST Nov 25, 2025-6pm PST Dec 2, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation