A Couple of Fast Moving Storms Affecting Areas Along and East of the Rockies

A couple of storm systems will impact travel conditions through the first half of this weekend. Heavy snow from the mountains of the West will move into the upper Midwest and upper Great Lakes through tonight. Record warmth and Gulf moisture along and east of the Mississippi River will fuel severe thunderstorms, heavy rainfall, fog for the Tennessee Valley and deep South on Friday into Saturday. Read More >

Current conditions at

Nevada County Air Park (KGOO)

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

Clear

32°F

0°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 08 Jan 04:15 AM PST
Extended Forecast for

Grass Valley CA

  • Today

    Today: Patchy fog before 9am. Widespread frost, mainly before 9am.  Otherwise, sunny, with a high near 46. Calm wind becoming north around 6 mph in the afternoon.

    High: 46 °F

    Frost and
    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 31. Northeast wind around 6 mph.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 51. Light and variable wind.

    High: 51 °F

    Sunny

  • Friday Night

    Friday Night: Areas of frost before 2am.  Otherwise, clear, with a low around 32. Light east northeast wind.

    Low: 32 °F

    Areas Frost

  • Saturday

    Saturday: Sunny, with a high near 55. Light and variable wind.

    High: 55 °F

    Sunny

  • Saturday Night

    Saturday Night: Areas of frost after 5am.  Otherwise, partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy
    then Areas
    Frost

  • Sunday

    Sunday: Areas of frost before 7am.  Otherwise, partly sunny, with a high near 58.

    High: 58 °F

    Areas Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

Detailed Forecast

Today
Patchy fog before 9am. Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 46. Calm wind becoming north around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 31. Northeast wind around 6 mph.
Friday
Sunny, with a high near 51. Light and variable wind.
Friday Night
Areas of frost before 2am. Otherwise, clear, with a low around 32. Light east northeast wind.
Saturday
Sunny, with a high near 55. Light and variable wind.
Saturday Night
Areas of frost after 5am. Otherwise, partly cloudy, with a low around 37.
Sunday
Areas of frost before 7am. Otherwise, partly sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 60.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Grass Valley CA
 39.23°N 121.05°W (Elev. 2657 ft)
1:21 am PST Jan 8, 2026
4am PST Jan 8, 2026-6pm PST Jan 14, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database