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

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

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

27°F

-3°C

Humidity 97%
Wind Speed ESE 0 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 27 Jan 04:52 AM PST
Extended Forecast for

Illinois Valley OR

  • Today

    Today: Rain, mainly after 3pm. Snow level 4200 feet rising to 5700 feet in the afternoon. High near 54. Light west southwest wind becoming south southwest 11 to 16 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Mostly Cloudy
    then Rain

  • Tonight

    Tonight: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 36. South wind 5 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Rain Likely

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 52. South southwest wind 3 to 6 mph.

    High: 52 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 38. South wind 3 to 5 mph.

    Low: 38 °F

    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 55. Calm wind becoming south around 5 mph in the afternoon.

    High: 55 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of rain. Partly sunny, with a high near 57.

    High: 57 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: A slight chance of rain before 10pm. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain after 4pm. Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny
    then Slight
    Chance Rain

Detailed Forecast

Today
Rain, mainly after 3pm. Snow level 4200 feet rising to 5700 feet in the afternoon. High near 54. Light west southwest wind becoming south southwest 11 to 16 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 36. South wind 5 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 30 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 52. South southwest wind 3 to 6 mph.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 38. South wind 3 to 5 mph.
Thursday
A 30 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 55. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 38.
Friday
A 20 percent chance of rain. Partly sunny, with a high near 57.
Friday Night
A slight chance of rain before 10pm. Mostly cloudy, with a low around 38.
Saturday
A slight chance of rain after 4pm. Partly sunny, with a high near 59.
Saturday Night
A chance of rain, mainly after 10pm. Mostly cloudy, with a low around 38.
Sunday
A chance of rain. Partly sunny, with a high near 54.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 37.
Monday
A slight chance of rain. Mostly sunny, with a high near 56.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Illinois Valley OR
 42.11°N 123.69°W (Elev. 1398 ft)
Last Update:
3:41 am PST Jan 27, 2026
Forecast Valid:
5am PST Jan 27, 2026-6pm PST Feb 2, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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