Snow Expected from the Ohio Valley into the Mid-Atlantic; Rain and Thunderstorms in the Southeast

A frontal system is expected to bring wintry precipitation to the Central Appalachians and portions of the Mid-Atlantic into Wednesday, meanwhile, showers and thunderstorms are expected along the Gulf Coast and Southeast. A series of Clipper systems will bring periods of snow to the Northern Plains and Great Lakes over the next several days. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10386°NLon: 123.68519°WElev: 1389.0ft.

NA

31°F

-1°C

Humidity 99%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 04 Feb 07:52 AM PST
Extended Forecast for

17 Miles WNW Illinois Valley OR

  • Today

    Today: Sunny, with a high near 63. South wind 7 to 14 mph.

    High: 63 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 51. East southeast wind 14 to 16 mph becoming south after midnight.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 61. East southeast wind 9 to 13 mph becoming south southwest in the afternoon.

    High: 61 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46. East northeast wind around 8 mph becoming south southwest after midnight.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 54. East wind 7 to 10 mph becoming west southwest in the afternoon.

    High: 54 °F

    Sunny

  • Friday Night

    Friday Night: A 10 percent chance of rain after 4am.  Snow level 6400 feet. Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: A 30 percent chance of rain, mainly after 10am.  Snow level 6300 feet. Mostly cloudy, with a high near 51.

    High: 51 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly after 4am.  Snow level 6800 feet. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Rain Likely

  • Sunday

    Sunday: Rain before 4pm, then rain, possibly mixed with snow.  Snow level 6700 feet lowering to 6000 feet in the afternoon . Mostly cloudy, with a high near 46.

    High: 46 °F

    Rain then
    Rain/Snow

Detailed Forecast

Today
Sunny, with a high near 63. South wind 7 to 14 mph.
Tonight
Mostly clear, with a low around 51. East southeast wind 14 to 16 mph becoming south after midnight.
Thursday
Sunny, with a high near 61. East southeast wind 9 to 13 mph becoming south southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 46. East northeast wind around 8 mph becoming south southwest after midnight.
Friday
Sunny, with a high near 54. East wind 7 to 10 mph becoming west southwest in the afternoon.
Friday Night
A 10 percent chance of rain after 4am. Snow level 6400 feet. Partly cloudy, with a low around 44.
Saturday
A 30 percent chance of rain, mainly after 10am. Snow level 6300 feet. Mostly cloudy, with a high near 51.
Saturday Night
Rain likely, mainly after 4am. Snow level 6800 feet. Mostly cloudy, with a low around 44.
Sunday
Rain before 4pm, then rain, possibly mixed with snow. Snow level 6700 feet lowering to 6000 feet in the afternoon . Mostly cloudy, with a high near 46.
Sunday Night
Rain and snow, becoming all snow after 1am. Snow level 5000 feet lowering to 4300 feet after midnight . Cloudy, with a low around 39.
Monday
Snow likely. Mostly cloudy, with a high near 42.
Monday Night
Snow likely. Mostly cloudy, with a low around 35.
Tuesday
A chance of snow. Partly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles WNW Illinois Valley OR
 42.18°N 123.98°W (Elev. 4344 ft)
3:41 am PST Feb 4, 2026
8am PST Feb 4, 2026-6pm PST Feb 10, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database