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

Hazardous Weather Conditions

Current conditions at

LYONS VALLEY (COWC1)

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

NA

28°F

-2°C

Humidity 98%
Wind Speed NW 17 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Wind Chill16°F (-9°C)
Last update 19 Feb 11:01 PM PST
Extended Forecast for

5 Miles SE Hopland CA

Cold Weather Advisory until February 20, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until February 20, 09:00am

    NOW until 9:00am Fri

    Cold Weather Advisory

  • Overnight

    Low: 29 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 50. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 50 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 34. South wind around 6 mph.

    Low: 34 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 51. South southeast wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Rain Likely

  • Saturday Night

    Saturday Night: Rain. Low around 45. Breezy, with a southeast wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 45 °F

    Rain and
    Breezy

  • Sunday

    Sunday: Rain. High near 55. South southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 55 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 48. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Rain

  • Monday

    Monday: Rain likely. Cloudy, with a high near 58.

    High: 58 °F

    Rain Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 29. Northeast wind around 6 mph.
Friday
Partly sunny, with a high near 50. Calm wind becoming south 5 to 7 mph in the afternoon.
Friday Night
A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 34. South wind around 6 mph.
Saturday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 51. South southeast wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain. Low around 45. Breezy, with a southeast wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. High near 55. South southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain. Low around 48. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain likely. Cloudy, with a high near 58.
Monday Night
Rain. Cloudy, with a low around 50.
Tuesday
Rain. Cloudy, with a high near 59.
Tuesday Night
Rain likely. Cloudy, with a low around 44.
Wednesday
A chance of rain. Mostly cloudy, with a high near 61.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 45.
Thursday
A chance of rain. Mostly cloudy, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Hopland CA
 38.91°N 123.06°W (Elev. 889 ft)
Last Update:
11:36 pm PST Feb 19, 2026
Forecast Valid:
12am PST Feb 20, 2026-6pm PST Feb 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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