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

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

45°F

7°C

Humidity 30%
Wind Speed NNE 6 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 08 Jan 02:15 PM PST
Extended Forecast for

Grass Valley CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 46. North wind around 6 mph.

    High: 46 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 30. East northeast wind around 6 mph.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 50. Northeast wind around 5 mph becoming calm in the morning.

    High: 50 °F

    Sunny

  • Friday Night

    Friday Night: Widespread frost, mainly between 4am and 5am. Otherwise, mostly clear, with a low around 32. Light east northeast wind.

    Low: 32 °F

    Frost

  • Saturday

    Saturday: Widespread frost before 8am. Otherwise, mostly sunny, with a high near 55. East northeast wind around 5 mph becoming calm in the morning.

    High: 55 °F

    Frost then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 57.

    High: 57 °F

    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

This Afternoon
Sunny, with a high near 46. North wind around 6 mph.
Tonight
Mostly clear, with a low around 30. East northeast wind around 6 mph.
Friday
Sunny, with a high near 50. Northeast wind around 5 mph becoming calm in the morning.
Friday Night
Widespread frost, mainly between 4am and 5am. Otherwise, mostly clear, with a low around 32. Light east northeast wind.
Saturday
Widespread frost before 8am. Otherwise, mostly sunny, with a high near 55. East northeast wind around 5 mph becoming calm in the morning.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 57.
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 63.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grass Valley CA
 39.23°N 121.08°W (Elev. 2598 ft)
Last Update:
1:21 pm PST Jan 8, 2026
Forecast Valid:
2pm PST Jan 8, 2026-6pm PST Jan 14, 2026
 
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