Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

LYONS VALLEY (COWC1)

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

NA

55°F

13°C

Humidity 43%
Wind Speed ESE 8 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 21 Jan 01:01 PM PST
Extended Forecast for

5 Miles NE Hopland CA

  • This Afternoon

    This Afternoon: Cloudy, with a high near 58. East southeast wind around 5 mph.

    High: 58 °F

    Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 50. Light east northeast wind.

    Low: 50 °F

    Cloudy

  • Thursday

    Thursday: Mostly cloudy through mid morning, then gradual clearing, with a high near 59. Light and variable wind becoming west around 6 mph in the morning.

    High: 59 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49. West northwest wind around 6 mph becoming light and variable.

    Low: 49 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 56. Northeast wind around 5 mph becoming light and variable.

    High: 56 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43. Northeast wind around 7 mph.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Cloudy, with a high near 58. East southeast wind around 5 mph.
Tonight
Cloudy, with a low around 50. Light east northeast wind.
Thursday
Mostly cloudy through mid morning, then gradual clearing, with a high near 59. Light and variable wind becoming west around 6 mph in the morning.
Thursday Night
Mostly clear, with a low around 49. West northwest wind around 6 mph becoming light and variable.
Friday
Sunny, with a high near 56. Northeast wind around 5 mph becoming light and variable.
Friday Night
Mostly clear, with a low around 43. Northeast wind around 7 mph.
Saturday
Sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 54.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
Mostly sunny, with a high near 55.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Hopland CA
 39.01°N 123.03°W (Elev. 2598 ft)
1:23 pm PST Jan 21, 2026
1pm PST Jan 21, 2026-6pm PST Jan 27, 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