Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

58°F

14°C

Humidity 58%
Wind Speed SSE 1 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 29 Jan 02:52 PM PST
Extended Forecast for

Illinois Valley OR

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 59. Calm wind.

    High: 59 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 60. Calm wind.

    High: 60 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain after 10pm.  Mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely, mainly before 4pm.  Mostly cloudy, with a high near 51. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of rain before 10pm.  Patchy fog after 1am.  Otherwise, partly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 56.

    High: 56 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 38. Calm wind.
Friday
Mostly sunny, with a high near 59. Calm wind.
Friday Night
Mostly cloudy, with a low around 37. Calm wind.
Saturday
Partly sunny, with a high near 60. Calm wind.
Saturday Night
A 30 percent chance of rain after 10pm. Mostly cloudy, with a low around 39. Calm wind.
Sunday
Rain likely, mainly before 4pm. Mostly cloudy, with a high near 51. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A 30 percent chance of rain before 10pm. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 33.
Monday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 34.
Tuesday
Sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Illinois Valley OR
 42.11°N 123.69°W (Elev. 1398 ft)
2:22 pm PST Jan 29, 2026
3pm PST Jan 29, 2026-6pm PST Feb 5, 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