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

Snow Squalls May Impact the Northeast on Thursday; Dangerously Cold Arctic Air Impact the North-Central US

Snow showers and snow squalls are likely to develop across the Northeast on Thursday. Lake effect snow will persist downwind of the Great Lakes. An arctic blast will bring frigid temperatures, gusty winds and dangerous wind chills to the Northern Plains before expanding to the South and East. A major winter storm will begin impacting the Southern Plains and Lower Mississippi Valley Friday. Read More >

Current conditions at

LYONS VALLEY (COWC1)

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

NA

54°F

12°C

Humidity 49%
Wind Speed ENE 4 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 21 Jan 04:01 PM PST
Extended Forecast for

2 Miles SSE Lakeport CA

  • Tonight

    Tonight: Cloudy, with a low around 42. Light west southwest wind.

    Low: 42 °F

    Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 64. Light and variable wind.

    High: 64 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 34. West southwest wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Patchy fog before 10am. Otherwise, sunny, with a high near 61. Calm wind.

    High: 61 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 60. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Cloudy, with a low around 42. Light west southwest wind.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 64. Light and variable wind.
Thursday Night
Mostly clear, with a low around 34. West southwest wind around 5 mph becoming calm in the evening.
Friday
Patchy fog before 10am. Otherwise, sunny, with a high near 61. Calm wind.
Friday Night
Mostly clear, with a low around 32. Calm wind.
Saturday
Sunny, with a high near 60. Calm wind becoming northeast around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Partly sunny, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Mostly sunny, with a high near 59.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 40.
Wednesday
A chance of rain. Mostly cloudy, with a high near 58.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Lakeport CA
 39.01°N 122.91°W (Elev. 1391 ft)
Last Update:
1:23 pm PST Jan 21, 2026
Forecast Valid:
4pm PST Jan 21, 2026-6pm PST Jan 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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