Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday
Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >
Current conditions at
Nevada County Air Park (KGOO)
Lat: 39.224028°NLon: 121.003083°WElev: 3154.0ft.
Clear
46°F
8°C
| Humidity | 42% |
| Wind Speed | N 0 MPH |
| Barometer | 30.3 in (1026.08 mb) |
| Dewpoint | 25°F (-4°C) |
| Visibility | 10.00 mi |
| Last update | 12 Jan 05:15 AM PST |
Extended Forecast for
Grass Valley CA
Today
High: 61 °F
Sunny
Tonight
Low: 41 °F
Clear
Tuesday
High: 64 °F
Sunny
Tuesday Night
Low: 43 °F
Clear
Wednesday
High: 66 °F
Sunny
Wednesday Night
Low: 45 °F
Clear
Thursday
High: 67 °F
Sunny
Thursday Night
Low: 44 °F
Clear
Friday
High: 66 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 61. Light and variable wind.
Tonight
Clear, with a low around 41. East wind 3 to 5 mph.
Tuesday
Sunny, with a high near 64. East northeast wind around 5 mph becoming calm in the morning.
Tuesday Night
Clear, with a low around 43. East northeast wind around 5 mph.
Wednesday
Sunny, with a high near 66. East northeast wind around 5 mph becoming calm in the morning.
Wednesday Night
Clear, with a low around 45.
Thursday
Sunny, with a high near 67.
Thursday Night
Clear, with a low around 44.
Friday
Sunny, with a high near 66.
Friday Night
Clear, with a low around 43.
Saturday
Sunny, with a high near 66.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Sunny, with a high near 65.
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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 Jan 12, 2026
5am PST Jan 12, 2026-6pm PST Jan 18, 2026
Additional Resources
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