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

Significant Coastal Impacts to the Eastern Seaboard; Hurricane Nolo to Impact Hawaii

A Nor'easter will bring significant coastal impacts to the Mid-Atlantic and New England into Monday. Moderate to major coastal flooding, heavy rain, strong winds and high surf expected. Hurricane Nolo is expected to remain south of the Big Island of Hawaii. However, strong winds, damaging waves, and heavy rainfall may bring significant, life-threatening flooding and mudslides through the weekend. Read More >

Current conditions at

LYONS VALLEY (COWC1)

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

NA

58°F

14°C

Humidity 55%
Wind Speed S 1 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 26 Sep 07:01 AM PDT
Extended Forecast for

Hopland CA

  • Today

    Today: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 81. Calm wind.

    High: 81 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 45. West northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 45 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 79 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46. West northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 85. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 50. West northwest wind 5 to 10 mph becoming light north after midnight. Winds could gust as high as 18 mph.

    Low: 50 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 50.

    Low: 50 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 81. Calm wind.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 45. West northwest wind 5 to 9 mph becoming calm in the evening.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 46. West northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Monday
Sunny, with a high near 85. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Monday Night
Clear, with a low around 50. West northwest wind 5 to 10 mph becoming light north after midnight. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Clear, with a low around 50.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hopland CA
 38.97°N 123.1°W (Elev. 577 ft)
Last Update:
2:10 am PDT Sep 26, 2026
Forecast Valid:
7am PDT Sep 26, 2026-6pm PDT Oct 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation