National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

48°F

9°C

Humidity 95%
Wind Speed SW 1 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 28 Jan 11:52 AM PST
Extended Forecast for

3 Miles SSW Illinois Valley OR

  • This Afternoon

    This Afternoon: A 20 percent chance of rain after 3pm. Partly sunny, with a high near 50. Southwest wind 3 to 6 mph.

    High: 50 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A slight chance of rain between 10pm and 4am. Mostly cloudy, with a low around 37. Light south wind. Chance of precipitation is 20%.

    Low: 37 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A 20 percent chance of rain between 9am and 1pm. Mostly cloudy, with a high near 55. Calm wind.

    High: 55 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 57. Calm wind.

    High: 57 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of rain after 10pm. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely, mainly before 4pm. Mostly cloudy, with a high near 51.

    High: 51 °F

    Rain Likely

Detailed Forecast

This Afternoon
A 20 percent chance of rain after 3pm. Partly sunny, with a high near 50. Southwest wind 3 to 6 mph.
Tonight
A slight chance of rain between 10pm and 4am. Mostly cloudy, with a low around 37. Light south wind. Chance of precipitation is 20%.
Thursday
A 20 percent chance of rain between 9am and 1pm. Mostly cloudy, with a high near 55. Calm wind.
Thursday Night
Mostly cloudy, with a low around 39. Calm wind.
Friday
Partly sunny, with a high near 57. Calm wind.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Partly sunny, with a high near 60.
Saturday Night
A chance of rain after 10pm. Mostly cloudy, with a low around 39.
Sunday
Rain likely, mainly before 4pm. Mostly cloudy, with a high near 51.
Sunday Night
A chance of rain, mainly before 10pm. Mostly cloudy, with a low around 36.
Monday
A slight chance of rain. Partly sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
Mostly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Illinois Valley OR
 42.07°N 123.7°W (Elev. 1512 ft)
Last Update:
12:41 pm PST Jan 28, 2026
Forecast Valid:
12pm PST Jan 28, 2026-6pm PST Feb 3, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation