National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Snow in the Northwest; Wintry Mix from the Great Lakes to Northeast

Two cold fronts will pass through the Northwest U.S. this week with the main impact being heavy mountain snow across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain to the Upper Midwest and Great Lakes today then the Northeast U.S. tonight into Wednesday. Read More >

Current conditions at

READER RANCH (RRRC1)

Lat: 39.30351°NLon: 121.11725°WElev: 1968.0ft.

NA

56°F

13°C

Humidity 69%
Wind Speed WNW 1 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 06 Jan 03:13 PM PST
Extended Forecast for

3 Miles NW Grass Valley CA

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after 3am. Patchy fog. Otherwise, increasing clouds, with a low around 40. Calm wind.

    Low: 40 °F

    Patchy Fog
    then Chance
    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: Rain likely, mainly after 4pm. Patchy fog before 3pm. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 51. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Chance Rain
    and Patchy
    Fog then Rain
    Likely and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Rain likely and possibly a thunderstorm before 7pm, then showers likely and possibly a thunderstorm between 7pm and 10pm, then a chance of rain after 10pm. Patchy fog. Widespread frost, mainly after 5am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 30. Light southwest wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 30 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 10am. Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 47. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 47 °F

    Frost and
    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Widespread frost before 3am, then widespread frost after 4am. Otherwise, mostly clear, with a low around 31. North northeast wind around 6 mph.

    Low: 31 °F

    Frost

  • Friday

    Friday: Widespread frost before 7am. Otherwise, sunny, with a high near 52.

    High: 52 °F

    Frost then
    Sunny

  • Friday Night

    Friday Night: Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 33.

    Low: 33 °F

    Frost

  • Saturday

    Saturday: Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 55.

    High: 55 °F

    Frost then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Patchy fog between 7pm and 8pm. Otherwise, mostly cloudy, with a low around 36.

    Low: 36 °F

    Patchy Fog
    then Mostly
    Cloudy

Detailed Forecast

Tonight
A 30 percent chance of rain, mainly after 3am. Patchy fog. Otherwise, increasing clouds, with a low around 40. Calm wind.
Wednesday
Rain likely, mainly after 4pm. Patchy fog before 3pm. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 51. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely and possibly a thunderstorm before 7pm, then showers likely and possibly a thunderstorm between 7pm and 10pm, then a chance of rain after 10pm. Patchy fog. Widespread frost, mainly after 5am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 30. Light southwest wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Patchy fog before 10am. Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 47. Calm wind becoming north northwest around 6 mph in the afternoon.
Thursday Night
Widespread frost before 3am, then widespread frost after 4am. Otherwise, mostly clear, with a low around 31. North northeast wind around 6 mph.
Friday
Widespread frost before 7am. Otherwise, sunny, with a high near 52.
Friday Night
Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 33.
Saturday
Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 55.
Saturday Night
Patchy fog between 7pm and 8pm. Otherwise, mostly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Grass Valley CA
 39.24°N 121.11°W (Elev. 1998 ft)
Last Update:
1:21 pm PST Jan 6, 2026
Forecast Valid:
3pm PST Jan 6, 2026-6pm PST Jan 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation