Prolonged Extreme Cold; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the Gulf Coast, upper Ohio Valley, Mid-Atlantic, and Southeast U.S. into this weekend. A rapidly deepening storm centered just off the North Carolina coast Friday night through Saturday night will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

33°F

1°C

Humidity 99%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 30 Jan 01:52 AM PST
Extended Forecast for

9 Miles WNW Illinois Valley OR

  • Overnight

    Overnight: Mostly cloudy, with a low around 42. South southwest wind around 8 mph.

    Low: 42 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 51. South southwest wind 11 to 14 mph, with gusts as high as 21 mph.

    High: 51 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44. South wind 7 to 9 mph.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 56. South southwest wind 11 to 13 mph, with gusts as high as 20 mph.

    High: 56 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of rain after 10pm.  Snow level 5500 feet. Mostly cloudy, with a low around 43. South southwest wind 10 to 15 mph, with gusts as high as 23 mph.

    Low: 43 °F

    Chance Rain

  • Sunday

    Sunday: Rain, mainly before 4pm.  Snow level 5600 feet. High near 45. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain before 10pm.  Snow level 4800 feet. Partly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Monday Night

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

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 42. South southwest wind around 8 mph.
Friday
Partly sunny, with a high near 51. South southwest wind 11 to 14 mph, with gusts as high as 21 mph.
Friday Night
Mostly cloudy, with a low around 44. South wind 7 to 9 mph.
Saturday
Partly sunny, with a high near 56. South southwest wind 11 to 13 mph, with gusts as high as 20 mph.
Saturday Night
A 50 percent chance of rain after 10pm. Snow level 5500 feet. Mostly cloudy, with a low around 43. South southwest wind 10 to 15 mph, with gusts as high as 23 mph.
Sunday
Rain, mainly before 4pm. Snow level 5600 feet. High near 45. 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 4800 feet. Partly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 52.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WNW Illinois Valley OR
 42.15°N 123.85°W (Elev. 3356 ft)
2:22 am PST Jan 30, 2026
2am PST Jan 30, 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