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

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

Flood Watch February 24, 04:00am until February 24, 10:00pm
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: Scattered showers before 1am. Cloudy, with a low around 47. Southeast wind around 8 mph. Chance of precipitation is 30%.

    Low: 47 °F

    Scattered
    Showers

  • Monday

    Monday: A 30 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 64. South southeast wind 6 to 9 mph.

    High: 64 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday Night

    Monday Night: Rain, mainly after 7pm. Low around 50. Southeast wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Rain Likely
    then Rain

  • Tuesday

    Tuesday: Rain. High near 59. South southeast wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 59 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 10pm. Low around 48. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 65. Northwest wind 3 to 5 mph.

    High: 65 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Scattered showers before 1am. Cloudy, with a low around 47. Southeast wind around 8 mph. Chance of precipitation is 30%.
Monday
A 30 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 64. South southeast wind 6 to 9 mph.
Monday Night
Rain, mainly after 7pm. Low around 50. Southeast wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Rain. High near 59. South southeast wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Tuesday Night
Rain, mainly before 10pm. Low around 48. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Mostly cloudy, with a high near 65. Northwest wind 3 to 5 mph.
Wednesday Night
Mostly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Mostly cloudy, with a low around 44.
Friday
Partly sunny, with a high near 71.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 48.
Saturday
A chance of showers. Mostly cloudy, with a high near 69.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 47.
Sunday
A slight chance of showers. Partly sunny, with a high near 65.
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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:
9:38 pm PST Feb 22, 2026
Forecast Valid:
10pm PST Feb 22, 2026-6pm PST Mar 1, 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