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

44°F

7°C

Humidity 89%
Wind Speed SE 1 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 02 Dec 02:52 PM PST
Extended Forecast for

11 Miles ESE Illinois Valley OR

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 35. North northeast wind 9 to 13 mph becoming east southeast after midnight. Winds could gust as high as 20 mph.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a steady temperature around 39. East wind 7 to 10 mph.

    High: 39 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37. East wind 7 to 9 mph.

    Low: 37 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 45. East wind 5 to 7 mph becoming calm  in the afternoon.

    High: 45 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 4am.  Mostly cloudy, with a low around 41. Light and variable wind becoming west around 6 mph in the evening.

    Low: 41 °F

    Slight Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers after 10am.  Mostly cloudy, with a high near 47.

    High: 47 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely.  Mostly cloudy, with a low around 41. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers.  Snow level 8200 feet lowering to 7600 feet in the afternoon . Mostly cloudy, with a high near 47.

    High: 47 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before 10pm.  Snow level 7100 feet. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a steady temperature around 35. North northeast wind 9 to 13 mph becoming east southeast after midnight. Winds could gust as high as 20 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a steady temperature around 39. East wind 7 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 37. East wind 7 to 9 mph.
Thursday
Partly sunny, with a high near 45. East wind 5 to 7 mph becoming calm in the afternoon.
Thursday Night
A 20 percent chance of showers before 4am. Mostly cloudy, with a low around 41. Light and variable wind becoming west around 6 mph in the evening.
Friday
A 40 percent chance of showers after 10am. Mostly cloudy, with a high near 47.
Friday Night
Showers likely. Mostly cloudy, with a low around 41. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Showers. Snow level 8200 feet lowering to 7600 feet in the afternoon . Mostly cloudy, with a high near 47.
Saturday Night
Showers likely, mainly before 10pm. Snow level 7100 feet. Mostly cloudy, with a low around 39.
Sunday
A chance of rain showers before 10am, then rain likely, possibly mixed with snow showers between 10am and 1pm, then rain showers likely after 1pm. Snow level 6900 feet. Mostly cloudy, with a high near 44.
Sunday Night
A chance of rain and snow showers. Snow level 6600 feet. Mostly cloudy, with a low around 39.
Monday
A slight chance of rain and snow showers. Snow level 6300 feet rising to 6900 feet in the afternoon. Partly sunny, with a high near 46.
Monday Night
A slight chance of showers. Snow level 7800 feet. Mostly cloudy, with a low around 42.
Tuesday
A chance of showers. Snow level 8300 feet. Partly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles ESE Illinois Valley OR
 42.03°N 123.48°W (Elev. 5197 ft)
2:16 pm PST Dec 2, 2025
3pm PST Dec 2, 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