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

59°F

15°C

Humidity 58%
Wind Speed SSW 1 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 06 Jan 01:13 PM PST
Extended Forecast for

6 Miles W Penn Valley CA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 56. Light west wind.

    High: 56 °F

    Partly Sunny

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after 4am.  Patchy fog.  Otherwise, mostly cloudy, with a low around 45. Calm wind.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Patchy Fog
    then Chance
    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: A slight chance of rain before 7am, then a slight chance of rain after 3pm.  Patchy fog before noon.  Otherwise, partly sunny, with a high near 53. Calm wind becoming west southwest around 6 mph in the afternoon.  Chance of precipitation is 20%.

    High: 53 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain.  Patchy fog. Patchy frost after 5am.  Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 35. South southeast wind around 5 mph becoming calm  in the evening.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 10am. Patchy frost before 9am.  Otherwise, sunny, with a high near 47. Light north northeast wind becoming northwest 5 to 9 mph in the morning.

    High: 47 °F

    Patchy Frost
    and Patchy
    Fog then
    Sunny

  • Thursday Night

    Thursday Night: Areas of frost after 2am.  Otherwise, mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear
    then Areas
    Frost

  • Friday

    Friday: Areas of frost before 9am.  Otherwise, sunny, with a high near 49.

    High: 49 °F

    Areas Frost
    then Sunny

  • Friday Night

    Friday Night: Patchy fog between 9pm and 10pm. Areas of frost after 4am.  Otherwise, partly cloudy, with a low around 35.

    Low: 35 °F

    Patchy Fog
    then Areas
    Frost

  • Saturday

    Saturday: Areas of frost before 8am.  Otherwise, partly sunny, with a high near 51.

    High: 51 °F

    Areas Frost
    then Partly
    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 56. Light west wind.
Tonight
A 30 percent chance of rain, mainly after 4am. Patchy fog. Otherwise, mostly cloudy, with a low around 45. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A slight chance of rain before 7am, then a slight chance of rain after 3pm. Patchy fog before noon. Otherwise, partly sunny, with a high near 53. Calm wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
A 50 percent chance of rain. Patchy fog. Patchy frost after 5am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 35. South southeast wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Patchy fog before 10am. Patchy frost before 9am. Otherwise, sunny, with a high near 47. Light north northeast wind becoming northwest 5 to 9 mph in the morning.
Thursday Night
Areas of frost after 2am. Otherwise, mostly clear, with a low around 34.
Friday
Areas of frost before 9am. Otherwise, sunny, with a high near 49.
Friday Night
Patchy fog between 9pm and 10pm. Areas of frost after 4am. Otherwise, partly cloudy, with a low around 35.
Saturday
Areas of frost before 8am. Otherwise, partly sunny, with a high near 51.
Saturday Night
Patchy fog before midnight. Otherwise, mostly cloudy, with a low around 38.
Sunday
Mostly cloudy, with a high near 53.
Sunday Night
Patchy fog. Otherwise, partly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles W Penn Valley CA
 39.21°N 121.3°W (Elev. 509 ft)
1:21 pm PST Jan 6, 2026
2pm PST Jan 6, 2026-6pm PST Jan 12, 2026
 
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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