National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Current conditions at

LYONS VALLEY (COWC1)

Lat: 39.12583°NLon: 123.07333°WElev: 3355.0ft.

NA

36°F

2°C

Humidity 100%
Wind Speed WNW 18 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Wind Chill26°F (-3°C)
Last update 27 Dec 03:01 AM PST
Extended Forecast for

5 Miles SSE Hopland CA

  • Overnight

    Overnight: Partly cloudy, with a low around 38. North wind around 6 mph.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 51. North northwest wind 6 to 8 mph.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 56. Light and variable wind.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 60. Northeast wind around 5 mph becoming calm in the afternoon.

    High: 60 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 38. North wind around 6 mph.
Saturday
Sunny, with a high near 51. North northwest wind 6 to 8 mph.
Saturday Night
Partly cloudy, with a low around 35. Calm wind.
Sunday
Sunny, with a high near 56. Light and variable wind.
Sunday Night
Mostly clear, with a low around 36. Calm wind.
Monday
Sunny, with a high near 60. Northeast wind around 5 mph becoming calm in the afternoon.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Sunny, with a high near 61.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
A chance of rain. Partly cloudy, with a low around 41.
New Year's Day
A chance of rain. Partly sunny, with a high near 55.
Thursday Night
Rain likely. Mostly cloudy, with a low around 42.
Friday
A chance of rain. Mostly cloudy, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Hopland CA
 38.91°N 123.09°W (Elev. 968 ft)
Last Update:
3:04 am PST Dec 27, 2025
Forecast Valid:
3am PST Dec 27, 2025-6pm PST Jan 2, 2026
 
Forecast Discussion
 
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Additional Resources

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