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

5 Miles SE Hopland CA

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

  • Overnight

    Overnight: Cloudy, with a low around 47. Southeast wind around 7 mph.

    Low: 47 °F

    Cloudy

  • Monday

    Monday: A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 62. South wind 5 to 8 mph.

    High: 62 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: Rain, mainly after 7pm. Low around 50. South southeast wind around 9 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Rain

  • Tuesday

    Tuesday: Rain. High near 57. South southeast wind 9 to 11 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 57 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 10pm. Low around 49. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: Partly sunny, with a high near 64. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 64 °F

    Partly Sunny

  • Wednesday Night

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

    Low: 44 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 47. Southeast wind around 7 mph.
Monday
A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 62. South wind 5 to 8 mph.
Monday Night
Rain, mainly after 7pm. Low around 50. South southeast wind around 9 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Rain. High near 57. South southeast wind 9 to 11 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Tuesday Night
Rain, mainly before 10pm. Low around 49. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Partly sunny, with a high near 64. Calm wind becoming northwest around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Mostly cloudy, with a low around 47.
Friday
Partly sunny, with a high near 70.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 49.
Saturday
A chance of showers. Mostly cloudy, with a high near 68.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 48.
Sunday
A slight chance of showers. Partly sunny, with a high near 65.
Basemap Options
Click map to change the forecast location
Loading map...
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:
12:46 am PST Feb 23, 2026
Forecast Valid:
1am PST Feb 23, 2026-6pm PST Mar 1, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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