Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Nevada County Air Park (KGOO)

Lat: 39.224028°NLon: 121.003083°WElev: 3154.0ft.

Clear

64°F

18°C

Humidity 39%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 19 Jan 04:15 PM PST
Extended Forecast for

2 Miles S Grass Valley CA

  • Tonight

    Tonight: Mostly clear, with a low around 42. Light east wind.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 64. Light and variable wind.

    High: 64 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 62. Calm wind.

    High: 62 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 39.

    Low: 39 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 42. Light east wind.
Tuesday
Increasing clouds, with a high near 64. Light and variable wind.
Tuesday Night
Mostly cloudy, with a low around 46. Calm wind.
Wednesday
Mostly cloudy, with a high near 62. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 46. Calm wind.
Thursday
Partly sunny, with a high near 61.
Thursday Night
Mostly clear, with a low around 41.
Friday
Sunny, with a high near 59.
Friday Night
Clear, with a low around 39.
Saturday
Sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Partly sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Grass Valley CA
 39.2°N 121.07°W (Elev. 2398 ft)
1:26 pm PST Jan 19, 2026
4pm PST Jan 19, 2026-6pm PST Jan 26, 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