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

34°F

1°C

Humidity 99%
Wind Speed WSW 0 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 30 Jan 05:52 AM PST
Extended Forecast for

14 Miles SE Agness OR

  • Today

    Today: A slight chance of rain before 2pm, then a slight chance of rain after 3pm.  Snow level 5000 feet rising to 7500 feet in the afternoon. Partly sunny, with a high near 56. South southwest wind 7 to 9 mph.  Chance of precipitation is 20%.

    High: 56 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tonight

    Tonight: Mostly cloudy, with a low around 48. East southeast wind 7 to 9 mph.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 60. South wind around 9 mph.

    High: 60 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of rain after 10pm.  Snow level 5300 feet. Mostly cloudy, with a low around 46. Southeast wind 6 to 8 mph.

    Low: 46 °F

    Chance Rain

  • Sunday

    Sunday: Rain, mainly before 4pm.  High near 49. South southwest wind 9 to 11 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain before 10pm.  Snow level 4800 feet. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

Today
A slight chance of rain before 2pm, then a slight chance of rain after 3pm. Snow level 5000 feet rising to 7500 feet in the afternoon. Partly sunny, with a high near 56. South southwest wind 7 to 9 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 48. East southeast wind 7 to 9 mph.
Saturday
Partly sunny, with a high near 60. South wind around 9 mph.
Saturday Night
A 50 percent chance of rain after 10pm. Snow level 5300 feet. Mostly cloudy, with a low around 46. Southeast wind 6 to 8 mph.
Sunday
Rain, mainly before 4pm. High near 49. South southwest wind 9 to 11 mph. Chance of precipitation is 90%. 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. Mostly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 55.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Sunny, with a high near 62.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles SE Agness OR
 42.42°N 123.87°W (Elev. 2461 ft)
5:32 am PST Jan 30, 2026
6am 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