Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast
A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >
Current conditions at
Nevada County Air Park (KGOO)
Lat: 39.224028°NLon: 121.003083°WElev: 3154.0ft.
Clear
55°F
13°C
| Humidity | 43% |
| Wind Speed | N 0 MPH |
| Barometer | 30.24 in (1024.04 mb) |
| Dewpoint | 34°F (1°C) |
| Visibility | 10.00 mi |
| Last update | 30 Dec 09:55 AM PST |
Extended Forecast for
Grass Valley CA
Today
High: 60 °F
Sunny
Tonight
Low: 43 °F
Mostly Cloudy
Wednesday
High: 57 °F
Chance Rain
then RainWednesday Night
Low: 46 °F
Rain
New Year's Day
High: 53 °F
Rain
Thursday Night
Low: 48 °F
Rain
Friday
High: 53 °F
Showers
Friday Night
Low: 41 °F
Rain
Saturday
High: 47 °F
Rain
Detailed Forecast
Today
Sunny, with a high near 60. Calm wind.
Tonight
Mostly cloudy, with a low around 43. Light east northeast wind.
Wednesday
Rain, mainly after 4pm. High near 57. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain. Low around 46. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
New Year's Day
Rain. High near 53. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 100%.
Thursday Night
Rain. Low around 48. Chance of precipitation is 100%.
Friday
Rain before 10am, then showers and possibly a thunderstorm after 10am. High near 53. Chance of precipitation is 90%.
Friday Night
Rain. Cloudy, with a low around 41.
Saturday
Rain. Cloudy, with a high near 47.
Saturday Night
Rain. Mostly cloudy, with a low around 39.
Sunday
Rain likely. Mostly cloudy, with a high near 50.
Sunday Night
Rain likely. Mostly cloudy, with a low around 39.
Monday
Rain likely. Mostly cloudy, with a high near 53.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Grass Valley CA
39.23°N 121.05°W (Elev. 2657 ft)
39.23°N 121.05°W (Elev. 2657 ft)
1:21 am PST Dec 30, 2025
10am PST Dec 30, 2025-6pm PST Jan 5, 2026
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