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

43°F

6°C

Humidity 98%
Wind Speed SE 1 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 29 Jan 10:52 AM PST
Extended Forecast for

11 Miles WSW Wilderville OR

  • Today

    Today: A 20 percent chance of showers before 1pm.  Snow level 5600 feet. Mostly cloudy, with a high near 48. South southwest wind around 11 mph.

    High: 48 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. South wind 10 to 14 mph, with gusts as high as 21 mph.

    Low: 44 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 52. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.

    High: 52 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44. East southeast wind around 11 mph.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 56. East southeast wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 56 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain after 10pm.  Snow level 6200 feet. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely, mainly before 4pm.  Snow level 5800 feet. Mostly cloudy, with a high near 46. Chance of precipitation is 70%.

    High: 46 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A chance of rain before 10pm.  Snow level 5200 feet. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of showers before 1pm. Snow level 5600 feet. Mostly cloudy, with a high near 48. South southwest wind around 11 mph.
Tonight
Mostly cloudy, with a low around 44. South wind 10 to 14 mph, with gusts as high as 21 mph.
Friday
Partly sunny, with a high near 52. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Friday Night
Mostly cloudy, with a low around 44. East southeast wind around 11 mph.
Saturday
Partly sunny, with a high near 56. East southeast wind 9 to 13 mph, with gusts as high as 20 mph.
Saturday Night
A 30 percent chance of rain after 10pm. Snow level 6200 feet. Mostly cloudy, with a low around 44.
Sunday
Rain likely, mainly before 4pm. Snow level 5800 feet. Mostly cloudy, with a high near 46. Chance of precipitation is 70%.
Sunday Night
A chance of rain before 10pm. Snow level 5200 feet. Mostly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Sunny, with a high near 55.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WSW Wilderville OR
 42.34°N 123.66°W (Elev. 4183 ft)
9:41 am PST Jan 29, 2026
11am PST Jan 29, 2026-6pm PST Feb 4, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database