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

Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

KONOCTI (KELC1)

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

NA

38°F

3°C

Humidity 89%
Wind Speed WNW 4 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Wind Chill35°F (2°C)
Last update 27 Dec 11:57 PM PST
Extended Forecast for

15 Miles ENE Clearlake CA

  • Overnight

    Overnight: Patchy fog. Otherwise, partly cloudy, with a low around 38. North wind around 6 mph.

    Low: 38 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 10am. Otherwise, sunny, with a high near 54. North wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 54 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 10pm. Otherwise, clear, with a low around 41. North wind 7 to 9 mph.

    Low: 41 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 10am. Otherwise, sunny, with a high near 57. North wind 7 to 9 mph.

    High: 57 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 10pm. Otherwise, clear, with a low around 40. Light north northwest wind.

    Low: 40 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, sunny, with a high near 58.

    High: 58 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of rain after 4pm. Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly after 10pm. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 38. North wind around 6 mph.
Sunday
Patchy fog before 10am. Otherwise, sunny, with a high near 54. North wind 6 to 9 mph, with gusts as high as 18 mph.
Sunday Night
Patchy fog after 10pm. Otherwise, clear, with a low around 41. North wind 7 to 9 mph.
Monday
Patchy fog before 10am. Otherwise, sunny, with a high near 57. North wind 7 to 9 mph.
Monday Night
Patchy fog after 10pm. Otherwise, clear, with a low around 40. Light north northwest wind.
Tuesday
Patchy fog before 10am. Otherwise, sunny, with a high near 58.
Tuesday Night
Mostly clear, with a low around 40.
Wednesday
A slight chance of rain after 4pm. Mostly sunny, with a high near 59.
Wednesday Night
A chance of rain, mainly after 10pm. Mostly cloudy, with a low around 43.
New Year's Day
Rain likely, mainly after 10am. Mostly cloudy, with a high near 55.
Thursday Night
Rain likely. Mostly cloudy, with a low around 43.
Friday
A chance of rain. Partly sunny, with a high near 55.
Friday Night
A chance of rain. Mostly cloudy, with a low around 41.
Saturday
A chance of rain. Partly sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ENE Clearlake CA
 39°N 122.36°W (Elev. 1073 ft)
Last Update:
1:20 pm PST Dec 27, 2025
Forecast Valid:
1am PST Dec 28, 2025-6pm PST Jan 3, 2026
 
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Additional Resources

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Chance of Precipitation