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

59°F

15°C

Humidity 42%
Wind Speed ENE 1 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 30 Jan 12:52 PM PST
Extended Forecast for

14 Miles SE Agness OR

  • This Afternoon

    This Afternoon: A 20 percent chance of rain before 2pm.  Partly sunny, with a high near 56. South southwest wind around 7 mph.

    High: 56 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Mostly cloudy, with a low around 48. Southeast wind 3 to 6 mph.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 60. East southeast wind around 6 mph becoming south southwest in the afternoon.

    High: 60 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of rain, mainly after 10pm.  Snow level 5300 feet. Mostly cloudy, with a low around 46. South wind around 7 mph.

    Low: 46 °F

    Chance Rain

  • Sunday

    Sunday: Rain, mainly before 4pm.  High near 49. South southwest wind around 7 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

This Afternoon
A 20 percent chance of rain before 2pm. Partly sunny, with a high near 56. South southwest wind around 7 mph.
Tonight
Mostly cloudy, with a low around 48. Southeast wind 3 to 6 mph.
Saturday
Partly sunny, with a high near 60. East southeast wind around 6 mph becoming south southwest in the afternoon.
Saturday Night
A 50 percent chance of rain, mainly after 10pm. Snow level 5300 feet. Mostly cloudy, with a low around 46. South wind around 7 mph.
Sunday
Rain, mainly before 4pm. High near 49. South southwest wind around 7 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)
12:42 pm PST Jan 30, 2026
1pm 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