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Hazardous Weather Conditions

Current conditions at

Nevada County Air Park (KGOO)

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

Mostly Cloudy

46°F

8°C

Humidity 87%
Wind Speed SSE 4 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 14 Feb 07:35 PM PST
Extended Forecast for

Grass Valley CA

Winter Storm Warning February 15, 10:00pm until February 18, 10:00pm
Click here for hazard details and duration
Winter Storm Warning

  • Tonight

    Tonight: Rain likely, mainly between 10pm and 3am. Mostly cloudy, with a low around 41. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Rain Likely

  • Sunday

    Sunday: Rain likely, mainly after 2pm. Increasing clouds, with a high near 54. South wind 5 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 54 °F

    Chance Rain
    then Rain
    Likely

  • Sunday Night

    Sunday Night: Rain. Low around 37. South southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 37 °F

    Rain

  • Washington's Birthday

    Washington's Birthday: Rain. High near 46. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 46 °F

    Rain

  • Monday Night

    Monday Night: Rain before 4am, then snow. Low around 33. South wind around 7 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain then
    Rain/Snow

  • Tuesday

    Tuesday: Snow before 10am, then rain. Some thunder is also possible. High near 40. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

    High: 40 °F

    Rain/Snow
    then Showers

  • Tuesday Night

    Tuesday Night: Rain and snow showers, becoming all snow after 7pm. Some thunder is also possible. Low around 30. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 30 °F

    Rain/Snow
    then Snow
    Likely

  • Wednesday

    Wednesday: Snow before 1pm, then rain between 1pm and 4pm, then rain and snow after 4pm. Mostly cloudy, with a high near 41.

    High: 41 °F

    Snow then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow, mainly before 4am. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Snow

Detailed Forecast

Tonight
Rain likely, mainly between 10pm and 3am. Mostly cloudy, with a low around 41. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain likely, mainly after 2pm. Increasing clouds, with a high near 54. South wind 5 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain. Low around 37. South southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Washington's Birthday
Rain. High near 46. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Monday Night
Rain before 4am, then snow. Low around 33. South wind around 7 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Tuesday
Snow before 10am, then rain. Some thunder is also possible. High near 40. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
Tuesday Night
Rain and snow showers, becoming all snow after 7pm. Some thunder is also possible. Low around 30. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Snow before 1pm, then rain between 1pm and 4pm, then rain and snow after 4pm. Mostly cloudy, with a high near 41.
Wednesday Night
Snow, mainly before 4am. Mostly cloudy, with a low around 30.
Thursday
A chance of snow before 10am, then a chance of rain. Partly sunny, with a high near 44.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 29.
Friday
Rain and snow likely. Partly sunny, with a high near 46.
Friday Night
Rain and snow likely. Mostly cloudy, with a low around 32.
Saturday
A chance of rain and snow. Partly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grass Valley CA
 39.23°N 121.05°W (Elev. 2657 ft)
Last Update:
1:21 pm PST Feb 14, 2026
Forecast Valid:
7pm PST Feb 14, 2026-6pm PST Feb 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation