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Hazardous Weather Conditions

Current conditions at

Nevada County Air Park (KGOO)

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

Mist

32°F

0°C

Humidity 100%
Wind Speed S 5 MPH
Barometer 29.64 in (1003.73 mb)
Dewpoint 32°F (0°C)
Visibility 0.75 mi
Wind Chill27°F (-3°C)
Last update 17 Feb 06:15 AM PST
Extended Forecast for

Grass Valley CA

Winter Storm Warning February 17, 06:39am until February 19, 10:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning February 17, 06:39am until February 19, 10:00pm

    NOW until 10:00pm Thu

    Winter Storm Warning

  • Today

    High: 38 °F

    Rain/Snow

  • Tonight

    Tonight: Rain and snow showers, becoming all snow after 7pm. Some thunder is also possible. Low around 27. South southwest wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 27 °F

    Rain/Snow
    then Chance
    Snow

  • Wednesday

    Wednesday: Snow, mainly after 10am. High near 38. South wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 38 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow. Low around 29. South southeast wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 29 °F

    Snow

  • Thursday

    Thursday: Snow. High near 39. South wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 39 °F

    Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 24. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Snow Likely
    then Chance
    Snow

  • Friday

    Friday: A slight chance of snow before 1pm, then a chance of rain. Mostly sunny, with a high near 43. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 43 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain and snow before 10pm, then a chance of snow. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance
    Rain/Snow
    then Chance
    Snow

Detailed Forecast

Today
Rain and snow before 2pm, then rain between 2pm and 4pm, then rain and snow after 4pm. Some thunder is also possible. High near 38. South wind 11 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Rain and snow showers, becoming all snow after 7pm. Some thunder is also possible. Low around 27. South southwest wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Wednesday
Snow, mainly after 10am. High near 38. South wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Snow. Low around 29. South southeast wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow. High near 39. South wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 24. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
A slight chance of snow before 1pm, then a chance of rain. Mostly sunny, with a high near 43. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday Night
A chance of rain and snow before 10pm, then a chance of snow. Mostly cloudy, with a low around 29.
Saturday
A slight chance of snow before 10am, then a chance of rain. Partly sunny, with a high near 48.
Saturday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 37.
Sunday
Rain likely. Mostly cloudy, with a high near 52.
Sunday Night
Rain. Cloudy, with a low around 42.
Monday
Rain. Cloudy, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grass Valley CA
 39.23°N 121.08°W (Elev. 2598 ft)
Last Update:
1:21 am PST Feb 17, 2026
Forecast Valid:
6am PST Feb 17, 2026-6pm PST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation