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

67°F

19°C

Humidity 36%
Wind Speed N 2 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 30 Jan 02:52 PM PST
Extended Forecast for

7 Miles SW Illinois Valley OR

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. Southwest wind 3 to 5 mph.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 58. South southwest wind around 6 mph.

    High: 58 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Rain, mainly after 4am.  Snow level 5200 feet. Low around 41. South southwest wind around 6 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Chance Rain
    then Rain

  • Sunday

    Sunday: Rain, mainly before 4pm.  High near 50. South southwest wind around 7 mph, with gusts as high as 18 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Rain

  • Sunday Night

    Sunday Night: A 20 percent chance of rain before 10pm.  Snow level 5000 feet. Partly cloudy, with a low around 36. Light southeast wind.

    Low: 36 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 40. Southwest wind 3 to 5 mph.
Saturday
Partly sunny, with a high near 58. South southwest wind around 6 mph.
Saturday Night
Rain, mainly after 4am. Snow level 5200 feet. Low around 41. South southwest wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain, mainly before 4pm. High near 50. South southwest wind around 7 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A 20 percent chance of rain before 10pm. Snow level 5000 feet. Partly cloudy, with a low around 36. Light southeast wind.
Monday
Mostly sunny, with a high near 54.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Mostly sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 40.
Thursday
Sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SW Illinois Valley OR
 42.03°N 123.78°W (Elev. 2428 ft)
2:22 pm PST Jan 30, 2026
3pm 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