Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

50°F

10°C

Humidity 58%
Wind Speed E 1 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 30 Jan 06:52 PM PST
Extended Forecast for

8 Miles WNW Illinois Valley OR

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. South southwest wind 5 to 7 mph.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 55. South southwest wind around 7 mph.

    High: 55 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of rain after 10pm.  Snow level 5100 feet. Mostly cloudy, with a low around 41. South southwest wind around 8 mph.

    Low: 41 °F

    Chance Rain

  • Sunday

    Sunday: Rain, mainly before 4pm.  Snow level 5700 feet. High near 47. South southwest wind around 9 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain before 10pm.  Snow level 5000 feet. Partly cloudy, with a low around 38. South southwest wind around 6 mph becoming southeast after midnight.

    Low: 38 °F

    Chance Rain
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 42. South southwest wind 5 to 7 mph.
Saturday
Partly sunny, with a high near 55. South southwest wind around 7 mph.
Saturday Night
A 50 percent chance of rain after 10pm. Snow level 5100 feet. Mostly cloudy, with a low around 41. South southwest wind around 8 mph.
Sunday
Rain, mainly before 4pm. Snow level 5700 feet. High near 47. South southwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A 30 percent chance of rain before 10pm. Snow level 5000 feet. Partly cloudy, with a low around 38. South southwest wind around 6 mph becoming southeast after midnight.
Monday
Mostly sunny, with a high near 53.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Mostly sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Sunny, with a high near 61.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WNW Illinois Valley OR
 42.14°N 123.81°W (Elev. 3209 ft)
3:41 pm PST Jan 30, 2026
7pm PST Jan 30, 2026-6pm PST Feb 6, 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