Dense Plumes of Canadian Smoke Plague the Eastern U.S.

A persistent low pressure system in the Northeast combined with large Canadian wildfires producing a tremendous amount of smoke has resulted in deep plumes of smoke spreading into the Northeast, Mid-Atlantic, and Ohio Valleys. Unhealthy air quality alerts produced by the EPA are in effect for many high population urban centers along the I-95 corridor. Hazy conditions extend into the central U.S. Read More >

7-Day Forecast 39.23°N 121.05°W (Text-Only)
NWS Forecast for: Grass Valley CA
Issued by: National Weather Service Sacramento, CA
Last Update: 3:49 am PDT Jun 8, 2023
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  • Today

    Today: Mostly sunny, with a high near 73. Calm wind becoming southwest 5 to 8 mph in the morning.

    Mostly Sunny

    High: 73 °F

  • Tonight

    Tonight: Mostly clear, with a low around 53. South southwest wind around 6 mph becoming east southeast after midnight.

    Mostly Clear

    Low: 53 °F

  • Friday

    Friday: Mostly sunny, with a high near 75. East southeast wind 5 to 9 mph becoming southwest in the afternoon.

    Mostly Sunny

    High: 75 °F

  • Friday
    Night

    Friday Night: Mostly cloudy, with a low around 54. Southwest wind 5 to 8 mph becoming light and variable  in the evening.

    Mostly Cloudy

    Low: 54 °F

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 11am.  Mostly cloudy, with a high near 73. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    Chance
    T-storms

    High: 73 °F

  • Saturday
    Night

    Saturday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers.  Mostly cloudy, with a low around 54. Chance of precipitation is 30%.

    Chance
    Showers

    Low: 54 °F

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 11am.  Partly sunny, with a high near 74.

    Chance
    Showers

    High: 74 °F

  • Sunday
    Night

    Sunday Night: A chance of showers.  Mostly cloudy, with a low around 54.

    Chance
    Showers

    Low: 54 °F

  • Monday

    Monday: A chance of showers.  Partly sunny, with a high near 70.

    Chance
    Showers

    High: 70 °F

  • Today: Mostly sunny, with a high near 73. Calm wind becoming southwest 5 to 8 mph in the morning.

    Tonight: Mostly clear, with a low around 53. South southwest wind around 6 mph becoming east southeast after midnight.

    Friday: Mostly sunny, with a high near 75. East southeast wind 5 to 9 mph becoming southwest in the afternoon.

    Friday Night: Mostly cloudy, with a low around 54. Southwest wind 5 to 8 mph becoming light and variable in the evening.

    Saturday: A 30 percent chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 73. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    Saturday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.

    Sunday: A 40 percent chance of showers and thunderstorms after 11am. Partly sunny, with a high near 74.

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 54.

    Monday: A chance of showers. Partly sunny, with a high near 70.

    Monday Night: A chance of showers before 11pm. Mostly cloudy, with a low around 54.

    Tuesday: A slight chance of showers. Mostly sunny, with a high near 75.

    Tuesday Night: Partly cloudy, with a low around 57.

    Wednesday: Sunny, with a high near 80.



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

    Visit your local NWS office at: https://www.weather.gov/sto