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Significant Snowfall for Washington Cascades and Northern Rocky Mountains

A cold front will linger for several days from the Pacific Northwest to portions of the northern Plains early this week. Cold temperatures and copious moisture will combine to produce several feet of snow into the mountain passes, with up to 4 feet of snow down to 4000 feet in the northern Rockies. Travel through mountain passes will be very difficult. Read More >

7-Day Forecast for Latitude 39.23°N and Longitude 121.05°W (Elev. 2657 ft) (Text-Only)
NWS Forecast for: Grass Valley CA
Issued by: National Weather Service Sacramento, CA
Last Update: 2:02 am PST Dec 18, 2017
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  • Today

    Today: Mostly sunny, with a high near 58. East wind around 5 mph becoming calm  in the morning.

    Mostly Sunny




    High: 58 °F

  • Tonight

    Tonight: Partly cloudy, with a low around 39. East wind 3 to 6 mph.

    Partly Cloudy




    Low: 39 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58. South wind 7 to 9 mph.

    Mostly Sunny




    High: 58 °F

  • Tuesday
    Night

    Tuesday Night: Showers, mainly between 10pm and 4am.  Low around 38. South wind 9 to 15 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Showers




    Low: 38 °F

  • Wednesday

    Wednesday: A chance of rain showers before 10am, then a slight chance of rain and snow showers.  Mostly sunny, with a high near 46. West wind 7 to 15 mph, with gusts as high as 21 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    Chance
    Rain/Snow
    then Slight
    Chance
    Rain/Snow

    High: 46 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 29.

    Mostly Clear




    Low: 29 °F

  • Thursday

    Thursday: Sunny, with a high near 51.

    Sunny




    High: 51 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 31.

    Mostly Clear




    Low: 31 °F

  • Friday

    Friday: Mostly sunny, with a high near 52.

    Mostly Sunny




    High: 52 °F



  • Today: Mostly sunny, with a high near 58. East wind around 5 mph becoming calm in the morning.

    Tonight: Partly cloudy, with a low around 39. East wind 3 to 6 mph.

    Tuesday: Mostly sunny, with a high near 58. South wind 7 to 9 mph.

    Tuesday Night: Showers, mainly between 10pm and 4am. Low around 38. South wind 9 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Wednesday: A chance of rain showers before 10am, then a slight chance of rain and snow showers. Mostly sunny, with a high near 46. West wind 7 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Wednesday Night: Mostly clear, with a low around 29.

    Thursday: Sunny, with a high near 51.

    Thursday Night: Mostly clear, with a low around 31.

    Friday: Mostly sunny, with a high near 52.

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

    Saturday: Mostly sunny, with a high near 52.

    Saturday Night: Mostly clear, with a low around 33.

    Sunday: Sunny, with a high near 53.



    Grass Valley CA
     39.23°N 121.05°W (Elev. 2657 ft)

    Visit your local NWS office at: http://www.wrh.noaa.gov/sto