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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

37°F

3°C

Humidity 100%
Wind Speed SE 8 MPH
Barometer 29.53 in (1000.0 mb)
Dewpoint 37°F (3°C)
Visibility 9.00 mi
Wind Chill31°F (-1°C)
Last update 16 Feb 11:55 AM PST
Extended Forecast for

Grass Valley CA

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

    NOW until 10:00pm Wed

    Winter Storm Warning

  • Washington's Birthday

    High: 44 °F

    Rain

  • Tonight

    Tonight: Rain likely before 2am, then rain and snow. The snow could be heavy at times. Some thunder is also possible. Low around 32. South wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 32 °F

    Showers
    Likely then
    Rain/Snow

  • Tuesday

    Tuesday: Snow showers before 1pm, then rain and snow showers. The snow could be heavy at times. Some thunder is also possible. High near 38. South wind 13 to 15 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 38 °F

    Heavy Snow
    then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow, becoming all snow after 10pm. Low around 29. South southwest wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 29 °F

    Rain/Snow
    then Snow
    Likely

  • Wednesday

    Wednesday: Snow, mainly after 10am. High near 39. South wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 39 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow. Low around 31. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 31 °F

    Snow

  • Thursday

    Thursday: Snow before 1pm, then rain between 1pm and 4pm, then rain and snow likely after 4pm. High near 41. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 41 °F

    Snow then
    Rain/Snow

  • Thursday Night

    Thursday Night: Rain and snow likely, becoming all snow after 7pm. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Rain/Snow
    Likely then
    Chance Snow

Detailed Forecast

Washington's Birthday
Rain. High near 44. South southeast wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tonight
Rain likely before 2am, then rain and snow. The snow could be heavy at times. Some thunder is also possible. Low around 32. South wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Tuesday
Snow showers before 1pm, then rain and snow showers. The snow could be heavy at times. Some thunder is also possible. High near 38. South wind 13 to 15 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Tuesday Night
Rain and snow, becoming all snow after 10pm. Low around 29. South southwest wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Wednesday
Snow, mainly after 10am. High near 39. South wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Wednesday Night
Snow. Low around 31. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow before 1pm, then rain between 1pm and 4pm, then rain and snow likely after 4pm. High near 41. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
Rain and snow likely, becoming all snow after 7pm. Mostly cloudy, with a low around 28.
Friday
A chance of snow before 1pm, then a chance of rain. Partly sunny, with a high near 44.
Friday Night
A chance of rain before 7pm, then a chance of rain and snow between 7pm and 10pm, then a chance of snow after 10pm. Mostly cloudy, with a low around 30.
Saturday
A chance of rain and snow. Partly sunny, with a high near 49.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 36.
Sunday
Rain likely. Mostly cloudy, with a high near 53.
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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 16, 2026
Forecast Valid:
12pm PST Feb 16, 2026-6pm PST Feb 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation