Heavy Snow in the Cascades and Northern Rockies; Wintry Mix in the Northeast; High Winds in Southern California

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. today. High winds could blow down trees and power lines in the mountains of southern California this evening through Thursday. Read More >

Current conditions at

Nevada County Air Park (KGOO)

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

Mostly Cloudy

45°F

7°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 07 Jan 04:55 PM PST
Extended Forecast for

4 Miles ENE Grass Valley CA

  • This Afternoon

    This Afternoon: A 20 percent chance of rain.  Patchy fog.  Otherwise, mostly cloudy, with a steady temperature around 45. Light south wind.

    High: 45 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Tonight

    Tonight: Rain and thunderstorms before midnight, then a chance of rain between midnight and 2am.  Patchy fog. Widespread frost, mainly after 5am. Low around 31. Light and variable wind.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 31 °F

    Showers and
    Patchy Fog
    then Chance
    Rain and
    Patchy Fog

  • Thursday

    Thursday: Widespread frost, mainly before 9am.  Otherwise, sunny, with a high near 46. Calm wind becoming north around 5 mph in the afternoon.

    High: 46 °F

    Frost then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33. North northeast wind around 5 mph.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 53. Light and variable wind.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of rain. Patchy fog. Otherwise, mostly cloudy, with a steady temperature around 45. Light south wind.
Tonight
Rain and thunderstorms before midnight, then a chance of rain between midnight and 2am. Patchy fog. Widespread frost, mainly after 5am. Low around 31. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 46. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 33. North northeast wind around 5 mph.
Friday
Sunny, with a high near 53. Light and variable wind.
Friday Night
Mostly clear, with a low around 36.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
Mostly cloudy, with a low around 40.
Sunday
Partly sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Grass Valley CA
 39.26°N 121°W (Elev. 2772 ft)
1:20 pm PST Jan 7, 2026
5pm PST Jan 7, 2026-6pm PST Jan 14, 2026
 
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Additional Resources

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