Snow in the Rockies; Showers and Thunderstorms Along the Gulf Coast; Potential Winter Storm for Northern Mid-Atlantic and Interior New England

A winter-like pattern will continue over much of the Lower 48 over the next few days, with snow stretching from the Rockies today into the Middle Mississippi Valley on Monday. Showers and thunderstorms will develop along the Gulf Coast and Southeast on Monday. As the storm moves northward late Monday into Tuesday, winter weather is possible from the Central Appalachians to Interior New England. Read More >

Current conditions at

READER RANCH (RRRC1)

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

NA

37°F

3°C

Humidity 99%
Wind Speed SSW 0 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 30 Nov 09:13 PM PST
Extended Forecast for

Penn Valley CA

  • Tonight

    Tonight: Widespread haze. Partly cloudy, with a low around 38. Light northeast wind.

    Low: 38 °F

    Haze

  • Monday

    Monday: Widespread haze before 11am. Sunny, with a high near 51. Calm wind.

    High: 51 °F

    Haze then
    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 42. Calm wind.

    Low: 42 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 58. Light and variable wind.

    High: 58 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39. Calm wind becoming northeast around 5 mph after midnight.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Tonight
Widespread haze. Partly cloudy, with a low around 38. Light northeast wind.
Monday
Widespread haze before 11am. Sunny, with a high near 51. Calm wind.
Monday Night
Increasing clouds, with a low around 42. Calm wind.
Tuesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 58. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 39. Calm wind becoming northeast around 5 mph after midnight.
Wednesday
Sunny, with a high near 58.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 41.
Saturday
Mostly sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Mostly sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
Penn Valley CA
 39.19°N 121.18°W (Elev. 1670 ft)
1:21 pm PST Nov 30, 2025
9pm PST Nov 30, 2025-6pm PST Dec 7, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database