Winter Storm in the Central Appalachians through the Northeast; Heavy Snow in the Great Basin and Rockies

A winter storm will impact the central Appalachians to the Northeast through the night. Accumulating snow is expected for interior New England and the northern Mid-Atlantic. Scattered showers and occasional thunderstorms will persist across Florida and the Southeast coast. Locally heavy mountain snow is expected in the Great Basin and Rockies over the next couple of days. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10375°NLon: 123.68508°WElev: 1389.0ft.

NA

33°F

1°C

Humidity 96%
Wind Speed ESE 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 02 Dec 11:52 PM PST
Extended Forecast for

Illinois Valley OR

  • Overnight

    Overnight: Areas of fog.  Otherwise, mostly cloudy, with a steady temperature around 33. Northeast wind around 6 mph.

    Low: 33 °F

    Areas Fog

  • Wednesday

    Wednesday: Areas of fog before 11am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 53. North northeast wind 3 to 6 mph.

    High: 53 °F

    Areas Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 57. Calm wind.

    High: 57 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers.  Areas of fog after 11pm.  Otherwise, mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Slight Chance
    Showers and
    Areas Fog

  • Friday

    Friday: A 40 percent chance of showers, mainly after 10am.  Areas of fog.  Otherwise, mostly cloudy, with a high near 59.

    High: 59 °F

    Chance
    Showers and
    Areas Fog

  • Friday Night

    Friday Night: Showers likely.  Areas of fog.  Otherwise, mostly cloudy, with a low around 44. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Showers
    Likely and
    Areas Fog

  • Saturday

    Saturday: Showers.  Areas of fog before 10am.  Otherwise, cloudy, with a high near 56.

    High: 56 °F

    Showers and
    Areas Fog

  • Saturday Night

    Saturday Night: A chance of showers.  Patchy fog.  Otherwise, mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance
    Showers and
    Patchy Fog

Detailed Forecast

Overnight
Areas of fog. Otherwise, mostly cloudy, with a steady temperature around 33. Northeast wind around 6 mph.
Wednesday
Areas of fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 53. North northeast wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 34. Calm wind.
Thursday
Partly sunny, with a high near 57. Calm wind.
Thursday Night
A 20 percent chance of showers. Areas of fog after 11pm. Otherwise, mostly cloudy, with a low around 40. Calm wind.
Friday
A 40 percent chance of showers, mainly after 10am. Areas of fog. Otherwise, mostly cloudy, with a high near 59.
Friday Night
Showers likely. Areas of fog. Otherwise, mostly cloudy, with a low around 44. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Showers. Areas of fog before 10am. Otherwise, cloudy, with a high near 56.
Saturday Night
A chance of showers. Patchy fog. Otherwise, mostly cloudy, with a low around 44.
Sunday
Showers likely, mainly between 10am and 4pm. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 56.
Sunday Night
A chance of showers. Patchy fog. Otherwise, mostly cloudy, with a low around 40.
Monday
A slight chance of showers. Areas of fog. Otherwise, partly sunny, with a high near 59.
Monday Night
A slight chance of showers. Patchy fog. Otherwise, mostly cloudy, with a low around 41.
Tuesday
A chance of showers. Areas of fog. Otherwise, partly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
Illinois Valley OR
 42.09°N 123.68°W (Elev. 1394 ft)
10:31 pm PST Dec 2, 2025
12am PST Dec 3, 2025-6pm PST Dec 9, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database