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

5 Miles NE Hopland CA

Winter Storm Warning February 18, 09:49am until February 19, 06:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning February 18, 09:49am until February 19, 06:00am

    NOW until 6:00am Thu

    Winter Storm Warning

  • Today

    High: 39 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: Snow showers before 1am, then rain and snow showers. Low around 34. South wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 34 °F

    Snow Showers
    then
    Rain/Snow

  • Thursday

    Thursday: Snow showers, mainly before 10am. High near 37. Breezy, with a west northwest wind around 18 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 37 °F

    Breezy. Snow
    Showers then
    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of snow showers before 10pm. Mostly clear, with a low around 29. Blustery, with a northwest wind 10 to 16 mph, with gusts as high as 29 mph.

    Low: 29 °F

    Slight Chance
    Snow Showers
    and Blustery
    then Mostly
    Clear

  • Friday

    Friday: A 20 percent chance of snow showers after 10am. Mostly sunny, with a high near 40. North wind around 8 mph becoming south southwest in the afternoon.

    High: 40 °F

    Slight Chance
    Snow Showers

  • Friday Night

    Friday Night: A chance of rain and snow showers before 1am, then a chance of snow showers. Mostly cloudy, with a low around 36. East southeast wind 7 to 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of snow showers before 7am, then a chance of rain and snow showers between 7am and 10am, then rain showers likely after 10am. Mostly cloudy, with a high near 45. Breezy. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 45 °F

    Breezy.
    Rain/Snow
    Likely then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers. Cloudy, with a low around 41. Breezy.

    Low: 41 °F

    Showers and
    Breezy

Detailed Forecast

Today
A 50 percent chance of snow showers, mainly before 4pm. Partly sunny, with a high near 39. West southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Snow showers before 1am, then rain and snow showers. Low around 34. South wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Thursday
Snow showers, mainly before 10am. High near 37. Breezy, with a west northwest wind around 18 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thursday Night
A 20 percent chance of snow showers before 10pm. Mostly clear, with a low around 29. Blustery, with a northwest wind 10 to 16 mph, with gusts as high as 29 mph.
Friday
A 20 percent chance of snow showers after 10am. Mostly sunny, with a high near 40. North wind around 8 mph becoming south southwest in the afternoon.
Friday Night
A chance of rain and snow showers before 1am, then a chance of snow showers. Mostly cloudy, with a low around 36. East southeast wind 7 to 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of snow showers before 7am, then a chance of rain and snow showers between 7am and 10am, then rain showers likely after 10am. Mostly cloudy, with a high near 45. Breezy. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday Night
Showers. Cloudy, with a low around 41. Breezy.
Sunday
Showers. Cloudy, with a high near 51. Breezy.
Sunday Night
Showers. Cloudy, with a low around 48. Breezy.
Monday
Showers. Cloudy, with a high near 50.
Monday Night
Showers. Cloudy, with a low around 45.
Tuesday
Showers. Cloudy, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Hopland CA
 39.01°N 123.03°W (Elev. 2598 ft)
Last Update:
1:10 am PST Feb 18, 2026
Forecast Valid:
9am PST Feb 18, 2026-6pm PST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

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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