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

Late January Extreme Cold; Watching for Another East Coast Storm Threat This Weekend

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Current conditions at

LYONS VALLEY (COWC1)

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

NA

42°F

6°C

Humidity 55%
Wind Speed SE 13 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Wind Chill35°F (2°C)
Last update 27 Jan 05:01 AM PST
Extended Forecast for

4 Miles SE Hopland CA

  • Today

    Today: Showers, mainly after 1pm. High near 58. South southeast wind 5 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Mostly Cloudy
    then Showers

  • Tonight

    Tonight: Showers, mainly before 7pm. Low around 41. South southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 59. Calm wind.

    High: 59 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 39. Light north northeast wind.

    Low: 39 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 64. Calm wind.

    High: 64 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

Detailed Forecast

Today
Showers, mainly after 1pm. High near 58. South southeast wind 5 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Showers, mainly before 7pm. Low around 41. South southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 59. Calm wind.
Wednesday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 39. Light north northeast wind.
Thursday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 64. Calm wind.
Thursday Night
Mostly cloudy, with a low around 42. Calm wind.
Friday
Partly sunny, with a high near 66.
Friday Night
Mostly cloudy, with a low around 42.
Saturday
Partly sunny, with a high near 68.
Saturday Night
A slight chance of showers after 10pm. Mostly cloudy, with a low around 43.
Sunday
A chance of showers. Mostly cloudy, with a high near 62.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 41.
Monday
A slight chance of showers. Mostly sunny, with a high near 64.
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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 Jan 27, 2026
Forecast Valid:
5am PST Jan 27, 2026-6pm PST Feb 2, 2026
 
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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