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

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Hazardous Weather Conditions

Current conditions at

LYONS VALLEY (COWC1)

Lat: 39.12583°NLon: 123.07333°WElev: 3355.0ft.

NA

44°F

7°C

Humidity 100%
Wind Speed SE 18 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Wind Chill36°F (2°C)
Last update 02 Jan 12:01 PM PST
Extended Forecast for

5 Miles NE Hopland 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

  • This Afternoon

    This Afternoon: Rain. High near 51. Breezy, with a southeast wind around 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Rain and
    Breezy

  • Tonight

    Tonight: Rain before 10pm, then showers, mainly after 10pm. Low around 47. Windy, with a south wind 23 to 26 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 47 °F

    Rain and
    Windy

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 10am. High near 49. Windy, with a south southwest wind 24 to 30 mph, with gusts as high as 48 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 49 °F

    Showers and
    Windy

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 10pm, then rain after 10pm. Low around 45. Windy, with a south southwest wind around 23 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: 45 °F

    Showers and
    Windy

  • Sunday

    Sunday: Rain. High near 49. Southwest wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 49 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 44. South wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Rain

  • Monday

    Monday: Rain. High near 47. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 47 °F

    Rain

  • Monday Night

    Monday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Rain Likely

  • Tuesday

    Tuesday: A slight chance of rain before 10am, then a slight chance of rain after 4pm. Partly sunny, with a high near 48.

    High: 48 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
Rain. High near 51. Breezy, with a southeast wind around 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain before 10pm, then showers, mainly after 10pm. Low around 47. Windy, with a south wind 23 to 26 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Saturday
Showers, with thunderstorms also possible after 10am. High near 49. Windy, with a south southwest wind 24 to 30 mph, with gusts as high as 48 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Showers and possibly a thunderstorm before 10pm, then rain after 10pm. Low around 45. Windy, with a south southwest wind around 23 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 49. Southwest wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain. Low around 44. South wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain. High near 47. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 44.
Tuesday
A slight chance of rain before 10am, then a slight chance of rain after 4pm. Partly sunny, with a high near 48.
Tuesday Night
A chance of rain, mainly after 10pm. Mostly cloudy, with a low around 42.
Wednesday
A chance of rain. Partly sunny, with a high near 46.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 37.
Thursday
Sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Hopland CA
 39.01°N 123.03°W (Elev. 2598 ft)
Last Update:
10:30 am PST Jan 2, 2026
Forecast Valid:
12pm PST Jan 2, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation