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 23, 10:00pm until February 25, 12:00am
Click here for hazard details and duration
Flood Watch

  • Today

    Today: Rain, mainly before 1pm. High near 57. South southeast wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °F

    Rain

  • Tonight

    Tonight: A 40 percent chance of rain, mainly before 1am. Cloudy, with a low around 47. Southeast wind 6 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Chance Rain

  • Monday

    Monday: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 64. East southeast wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Slight Chance
    Rain then
    Rain Likely

  • Monday Night

    Monday Night: Rain. Low around 50. South southeast wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 50 °F

    Rain

  • Tuesday

    Tuesday: Rain. High near 58. South southeast wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 58 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 48. South wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Rain then
    Rain Likely

  • Wednesday

    Wednesday: A 40 percent chance of rain. Partly sunny, with a high near 66. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

  • Thursday

    Thursday: A slight chance of rain. Partly sunny, with a high near 68.

    High: 68 °F

    Slight Chance
    Rain

Detailed Forecast

Today
Rain, mainly before 1pm. High near 57. South southeast wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
A 40 percent chance of rain, mainly before 1am. Cloudy, with a low around 47. Southeast wind 6 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 64. East southeast wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain. Low around 50. South southeast wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Rain. High near 58. South southeast wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Tuesday Night
Rain. Low around 48. South wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 40 percent chance of rain. Partly sunny, with a high near 66. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 45.
Thursday
A slight chance of rain. Partly sunny, with a high near 68.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 45.
Friday
A slight chance of rain. Mostly sunny, with a high near 71.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 48.
Saturday
A slight chance of rain. Partly sunny, with a high near 71.
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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 22, 2026
Forecast Valid:
6am PST Feb 22, 2026-6pm PST Feb 28, 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