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Storms Continue to Pound the Western U.S.

Storms will continue to bring heavy rain, flooding and strong winds to California and many states across the west. Heavy rain will result in flooding for some areas, and heavy snow will be possible at high elevation locations. By mid-week, these storms may bring heavy snow to the northern Rockies and Intermountain west. Heavy rain and flooding will also impact the central Gulf Coast this week. 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: 8:01 pm PST Feb 20, 2017
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  • Overnight

    Overnight: Rain. The rain could be heavy at times.  Low around 41. Breezy, with a south wind around 26 mph, with gusts as high as 37 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Heavy Rain
    and Breezy

    Low: 41 °F

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm.  High near 46. South southwest wind 15 to 18 mph, with gusts as high as 26 mph.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Showers

    High: 46 °F

  • Tuesday
    Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms after 10pm.  Mostly cloudy, with a low around 34. Southeast wind around 9 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely

    Low: 34 °F

  • Wednesday

    Wednesday: A chance of rain showers before 10am, then a chance of rain and snow showers between 10am and 4pm, then a chance of rain showers after 4pm.  Partly sunny, with a high near 42. South wind around 7 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    Chance
    Rain/Snow

    High: 42 °F

  • Wednesday
    Night

    Wednesday Night: A chance of rain showers before 10pm, then a chance of rain and snow showers.  Mostly cloudy, with a low around 28. East southeast wind 3 to 6 mph.  Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Chance
    Rain/Snow

    Low: 28 °F

  • Thursday

    Thursday: A 20 percent chance of snow showers.  Partly sunny, with a high near 41.

    Slight Chance
    Snow Showers

    High: 41 °F

  • Thursday
    Night

    Thursday Night: A 20 percent chance of snow showers.  Mostly cloudy, with a low around 29.

    Slight Chance
    Snow Showers

    Low: 29 °F

  • Friday

    Friday: A slight chance of snow showers.  Partly sunny, with a high near 43.

    Slight Chance
    Snow Showers

    High: 43 °F

  • Friday
    Night

    Friday Night: A chance of rain and snow showers.  Mostly cloudy, with a low around 32.

    Chance
    Rain/Snow

    Low: 32 °F



  • Overnight: Rain. The rain could be heavy at times. Low around 41. Breezy, with a south wind around 26 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Tuesday: Showers and possibly a thunderstorm. High near 46. South southwest wind 15 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Tuesday Night: Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 34. Southeast wind around 9 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Wednesday: A chance of rain showers before 10am, then a chance of rain and snow showers between 10am and 4pm, then a chance of rain showers after 4pm. Partly sunny, with a high near 42. South wind around 7 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Wednesday Night: A chance of rain showers before 10pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 28. East southeast wind 3 to 6 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Thursday: A 20 percent chance of snow showers. Partly sunny, with a high near 41.

    Thursday Night: A 20 percent chance of snow showers. Mostly cloudy, with a low around 29.

    Friday: A slight chance of snow showers. Partly sunny, with a high near 43.

    Friday Night: A chance of rain and snow showers. Mostly cloudy, with a low around 32.

    Saturday: Scattered snow showers. Mostly cloudy, with a high near 45.

    Saturday Night: A slight chance of rain and snow showers. Mostly cloudy, with a low around 30.

    Sunday: A slight chance of snow showers. Partly sunny, with a high near 44.

    Sunday Night: A chance of rain and snow showers. Mostly cloudy, with a low around 35.

    Monday: A chance of rain and snow showers. Partly sunny, with a high near 44.



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

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