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Hazardous Weather Conditions

Current conditions at

Nevada County Air Park (KGOO)

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

Overcast

28°F

-2°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.73 in (1006.77 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 18 Feb 04:15 AM PST
Extended Forecast for

Grass Valley CA

Winter Storm Warning February 18, 04:44am until February 19, 10:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning February 18, 04:44am until February 19, 10:00pm

    NOW until 10:00pm Thu

    Winter Storm Warning

  • Overnight

    Low: 27 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: Snow likely, mainly after 1pm. Mostly cloudy, with a high near 37. South wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Chance Snow
    then Snow
    Likely

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times. Low around 29. South southeast wind around 8 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 29 °F

    Heavy Snow

  • Thursday

    Thursday: Snow, mainly before 4pm. The snow could be heavy at times. High near 37. South wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 37 °F

    Heavy Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 25. South wind around 6 mph becoming calm in the evening. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Chance Snow
    then Slight
    Chance Snow

  • Friday

    Friday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 10 percent chance of snow after 4am. Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: A slight chance of snow before 10am, then a chance of rain. Partly sunny, with a high near 50.

    High: 50 °F

    Slight Chance
    Rain/Snow
    then Chance
    Rain

Detailed Forecast

Overnight
A 20 percent chance of snow. Mostly cloudy, with a low around 27. South wind around 5 mph.
Wednesday
Snow likely, mainly after 1pm. Mostly cloudy, with a high near 37. South wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow. The snow could be heavy at times. Low around 29. South southeast wind around 8 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Thursday
Snow, mainly before 4pm. The snow could be heavy at times. High near 37. South wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Thursday Night
A 50 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 25. South wind around 6 mph becoming calm in the evening. New snow accumulation of less than a half inch possible.
Friday
Mostly sunny, with a high near 43.
Friday Night
A 10 percent chance of snow after 4am. Partly cloudy, with a low around 27.
Saturday
A slight chance of snow before 10am, then a chance of rain. Partly sunny, with a high near 50.
Saturday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 37.
Sunday
Rain. Mostly cloudy, with a high near 50.
Sunday Night
Rain. Cloudy, with a low around 43.
Monday
Rain. Cloudy, with a high near 51.
Monday Night
Rain. Cloudy, with a low around 42.
Tuesday
Rain. Cloudy, with a high near 52.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grass Valley CA
 39.23°N 121.05°W (Elev. 2657 ft)
Last Update:
1:21 am PST Feb 18, 2026
Forecast Valid:
4am PST Feb 18, 2026-6pm PST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation