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

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Hazardous Weather Conditions

Current conditions at

HIGH GLADE LOOKOUT (HGLC1)

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

NA

41°F

5°C

Humidity 100%
Wind Speed SSE 27 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Wind Chill30°F (-1°C)
Last update 01 Jan 03:36 PM PST
Extended Forecast for

18 Miles N Clearlake CA

Flood Watch January 2, 04:00pm until January 4, 10:00pm
Wind Advisory January 2, 01:00pm until January 3, 04:00pm
Click here for hazard details and duration
Flood Watch
Wind Advisory

  • New Year's Day

    New Year's Day: Rain. High near 47. South wind around 9 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Rain

  • Tonight

    Tonight: Rain. Low around 44. South southwest wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Rain

  • Friday

    Friday: Rain, mainly after 4pm. High near 47. Windy, with a south southeast wind 14 to 19 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Windy. Chance
    Rain then
    Rain

  • Friday Night

    Friday Night: Rain. The rain could be heavy at times. Low around 43. Windy, with a south wind around 28 mph, with gusts as high as 48 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 43 °F

    Heavy Rain
    and Windy

  • Saturday

    Saturday: Rain. High near 48. Windy, with a south southwest wind around 26 mph, with gusts as high as 46 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Rain and
    Windy

  • Saturday Night

    Saturday Night: Rain. Low around 44. Breezy, with a south wind around 21 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 44 °F

    Rain and
    Breezy

  • Sunday

    Sunday: Rain. High near 47. Breezy. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 47 °F

    Rain and
    Breezy

  • Sunday Night

    Sunday Night: Rain. Cloudy, with a low around 41.

    Low: 41 °F

    Rain

  • Monday

    Monday: Rain. Mostly cloudy, with a high near 43.

    High: 43 °F

    Rain

Detailed Forecast

New Year's Day
Rain. High near 47. South wind around 9 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain. Low around 44. South southwest wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain, mainly after 4pm. High near 47. Windy, with a south southeast wind 14 to 19 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain. The rain could be heavy at times. Low around 43. Windy, with a south wind around 28 mph, with gusts as high as 48 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Saturday
Rain. High near 48. Windy, with a south southwest wind around 26 mph, with gusts as high as 46 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain. Low around 44. Breezy, with a south wind around 21 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Rain. High near 47. Breezy. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain. Cloudy, with a low around 41.
Monday
Rain. Mostly cloudy, with a high near 43.
Monday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 41.
Tuesday
A slight chance of rain or drizzle. Partly sunny, with a high near 46.
Tuesday Night
A slight chance of drizzle. Mostly cloudy, with a low around 40.
Wednesday
A chance of rain or drizzle. Partly sunny, with a high near 46.
Wednesday Night
A chance of rain or drizzle. Mostly cloudy, with a low around 36.
Thursday
A chance of drizzle and snow. Partly sunny, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles N Clearlake CA
 39.23°N 122.65°W (Elev. 3025 ft)
Last Update:
2:54 pm PST Jan 1, 2026
Forecast Valid:
3pm PST Jan 1, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation