Another Round of Heavy Rain and Mountain Snow in California; Snow in the Great Lakes and Northeast

Another round of heavy rainfall will renew concerns for additional flash flooding and landslides in southern California around burn scars and coastal mountain ranges. A low pressure system is bringing enhanced snowfall downwind from the lower Great Lakes into the Northeast mountain ranges. Above average temperatures will challenge or break daily record high temperatures across the southern Plains. Read More >

Current conditions at

Nevada County Air Park (KGOO)

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

Overcast

43°F

6°C

Humidity 93%
Wind Speed ESE 8 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 41°F (5°C)
Visibility 9.00 mi
Wind Chill38°F (3°C)
Last update 17 Nov 08:55 AM PST
Extended Forecast for

Grass Valley CA

  • Today

    Today: Showers before 4pm, then a slight chance of showers after 5pm.  High near 48. South southeast wind 3 to 6 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Showers

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 10pm.  Cloudy during the early evening, then gradual clearing, with a low around 37. Calm wind.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51. Light and variable wind.

    High: 51 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 51. Light and variable wind.

    High: 51 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers after 10pm.  Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely, mainly before 4pm.  Mostly cloudy, with a high near 49. Chance of precipitation is 70%.

    High: 49 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers, mainly before 10pm.  Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

Detailed Forecast

Today
Showers before 4pm, then a slight chance of showers after 5pm. High near 48. South southeast wind 3 to 6 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
A 30 percent chance of showers, mainly before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 37. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Mostly sunny, with a high near 51. Light and variable wind.
Tuesday Night
Mostly cloudy, with a low around 40. Calm wind.
Wednesday
Partly sunny, with a high near 51. Light and variable wind.
Wednesday Night
A 50 percent chance of showers after 10pm. Mostly cloudy, with a low around 42.
Thursday
Showers likely, mainly before 4pm. Mostly cloudy, with a high near 49. Chance of precipitation is 70%.
Thursday Night
A chance of showers, mainly before 10pm. Mostly cloudy, with a low around 38.
Friday
Mostly sunny, with a high near 57.
Friday Night
Mostly clear, with a low around 38.
Saturday
Sunny, with a high near 58.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Mostly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Grass Valley CA
 39.23°N 121.05°W (Elev. 2657 ft)
1:21 am PST Nov 17, 2025
9am PST Nov 17, 2025-6pm PST Nov 23, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database