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

N/A

Humidity 99%
Wind Speed ESE 13 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update 21 Feb 04:01 AM PST
Extended Forecast for

Hopland CA

Flood Watch until February 24, 10:00pm
Flood Watch February 24, 02:00pm until February 24, 10:00pm
Click here for hazard details and duration
Flood Watch
Flood Watch
  •  
    Flood Watch until February 24, 10:00pm

    NOW until 10:00pm Tue

    Flood Watch

  • Today

    High: 59 °F

    Heavy Rain

  • Tonight

    Tonight: Showers, mainly before 10pm. Patchy fog between 10pm and 1am. Low around 47. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Partly sunny, with a high near 65. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 65 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 45. Light and variable wind.

    Low: 45 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 70. Calm wind.

    High: 70 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of showers after 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 49.

    Low: 49 °F

    Slight Chance
    Showers and
    Patchy Fog

Detailed Forecast

Today
Rain. The rain could be heavy at times. High near 59. South wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Tonight
Showers, mainly before 10pm. Patchy fog between 10pm and 1am. Low around 47. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Partly sunny, with a high near 65. Calm wind becoming west northwest around 5 mph in the afternoon.
Wednesday Night
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 45. Light and variable wind.
Thursday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 70. Calm wind.
Thursday Night
Mostly cloudy, with a low around 48. Calm wind.
Friday
Partly sunny, with a high near 72.
Friday Night
A slight chance of showers after 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 49.
Saturday
A chance of showers. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 69.
Saturday Night
A chance of showers. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 47.
Sunday
A chance of showers. Patchy fog. Otherwise, partly sunny, with a high near 65.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 43.
Monday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hopland CA
 38.97°N 123.13°W (Elev. 597 ft)
Last Update:
1:10 am PST Feb 24, 2026
Forecast Valid:
7am PST Feb 24, 2026-6pm PST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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