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

26°F

-3°C

Humidity 97%
Wind Speed W 8 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Wind Chill18°F (-8°C)
Last update 17 Feb 10:01 PM PST
Extended Forecast for

4 Miles SE Hopland CA

Cold Weather Advisory until February 18, 07:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until February 18, 07:00am

    NOW until 7:00am Wed

    Cold Weather Advisory

  • Overnight

    Low: 30 °F

    Rain/Snow
    Likely and
    Patchy Fog

  • Wednesday

    Wednesday: Rain likely, possibly mixed with snow showers before 10am, then a chance of rain showers. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 46. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow
    Likely and
    Patchy Fog
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers, mainly after 10pm. Low around 35. South wind 3 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Showers

  • Thursday

    Thursday: Showers, mainly before 10am. High near 44. Northwest wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 44 °F

    Showers then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 10pm. Mostly clear, with a low around 25. Northwest wind 3 to 8 mph.

    Low: 25 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers after 10am. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 48. Calm wind becoming south around 5 mph in the afternoon.

    High: 48 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 32. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly after 10am. Mostly cloudy, with a high near 48.

    High: 48 °F

    Showers
    Likely

Detailed Forecast

Overnight
Rain and snow showers likely, mainly after 4am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 30. South wind around 5 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday
Rain likely, possibly mixed with snow showers before 10am, then a chance of rain showers. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 46. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday Night
Showers, mainly after 10pm. Low around 35. South wind 3 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Showers, mainly before 10am. High near 44. Northwest wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 20 percent chance of showers before 10pm. Mostly clear, with a low around 25. Northwest wind 3 to 8 mph.
Friday
A 20 percent chance of showers after 10am. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 48. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 32. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers likely, mainly after 10am. Mostly cloudy, with a high near 48.
Saturday Night
Showers. Cloudy, with a low around 45.
Sunday
Showers. Cloudy, with a high near 53.
Sunday Night
Showers. Cloudy, with a low around 45.
Monday
Showers. Cloudy, with a high near 55.
Monday Night
Showers. Cloudy, with a low around 41.
Tuesday
Showers. Cloudy, with a high near 56.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Hopland CA
 38.94°N 123.06°W (Elev. 597 ft)
Last Update:
1:10 am PST Feb 18, 2026
Forecast Valid:
3am PST Feb 18, 2026-6pm PST Feb 24, 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