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

LYONS VALLEY (COWC1)

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

NA

31°F

-1°C

Humidity 99%
Wind Speed ESE 13 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Wind Chill21°F (-6°C)
Last update 21 Feb 04:01 AM PST
Extended Forecast for

4 Miles NNW Hopland CA

  • Today

    Today: A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 53. Breezy, with a south southeast wind 9 to 17 mph, with gusts as high as 31 mph.

    High: 53 °F

    Mostly Cloudy
    then Chance
    Rain and
    Breezy

  • Tonight

    Tonight: Rain, mainly after 10pm. Low around 42. Breezy, with a southeast wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain and
    Breezy

  • Sunday

    Sunday: Rain. High near 56. South southeast wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 47. Southeast wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Rain Likely

  • Monday

    Monday: A 30 percent chance of rain, mainly after 10am. Mostly cloudy, with a high near 62. South southeast wind 7 to 10 mph.

    High: 62 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain. Low around 49. South southeast wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Low: 49 °F

    Rain

  • Tuesday

    Tuesday: Rain. High near 58. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 58 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Rain Likely

  • Wednesday

    Wednesday: A chance of rain. Mostly cloudy, with a high near 63.

    High: 63 °F

    Chance Rain

Detailed Forecast

Today
A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 53. Breezy, with a south southeast wind 9 to 17 mph, with gusts as high as 31 mph.
Tonight
Rain, mainly after 10pm. Low around 42. Breezy, with a southeast wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. High near 56. South southeast wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 47. Southeast wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 30 percent chance of rain, mainly after 10am. Mostly cloudy, with a high near 62. South southeast wind 7 to 10 mph.
Monday Night
Rain. Low around 49. South southeast wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Tuesday
Rain. High near 58. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 45.
Wednesday
A chance of rain. Mostly cloudy, with a high near 63.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 43.
Thursday
A chance of rain. Partly sunny, with a high near 67.
Thursday Night
A chance of rain. Partly cloudy, with a low around 44.
Friday
A slight chance of rain. Partly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Hopland CA
 39.03°N 123.15°W (Elev. 597 ft)
Last Update:
1:10 am PST Feb 21, 2026
Forecast Valid:
5am PST Feb 21, 2026-6pm PST Feb 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation