High-Impact and Far-Reaching Winter Storm Continues; Cold Expands and Persists

A major winter storm will shift its impacts into the Northeast U.S. with heavy snow through tonight while over the Mid-Atlantic, sleet and freezing rain will diminish. Extremely cold air behind the storm will prolong dangerous travel and infrastructure impacts. Sub-zero low temperatures are expected nearly every morning from the Northern Plains through the Ohio Valley and into the Northeast. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

28°F

-2°C

Humidity 95%
Wind Speed W 0 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 25 Jan 11:52 PM PST
Extended Forecast for

Illinois Valley OR

  • Overnight

    Overnight: Patchy fog.  Otherwise, mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 9am.  Otherwise, partly sunny, with a high near 53. Calm wind.

    High: 53 °F

    Patchy Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain, mainly after 4pm.  Snow level 4400 feet rising to 5200 feet in the afternoon. High near 53. Light southwest wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 21 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Chance Rain
    then Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 10pm.  Low around 37. Light south wind.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: A chance of rain before 10am, then a slight chance of rain after 4pm.  Partly sunny, with a high near 53. Chance of precipitation is 30%.

    High: 53 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain, mainly after 10pm.  Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain, mainly before 10am.  Partly sunny, with a high near 56.

    High: 56 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A slight chance of rain.  Mostly cloudy, with a low around 39.

    Low: 39 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 29. Calm wind.
Monday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 53. Calm wind.
Monday Night
Mostly cloudy, with a low around 33. Calm wind.
Tuesday
Rain, mainly after 4pm. Snow level 4400 feet rising to 5200 feet in the afternoon. High near 53. Light southwest wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain, mainly before 10pm. Low around 37. Light south wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A chance of rain before 10am, then a slight chance of rain after 4pm. Partly sunny, with a high near 53. Chance of precipitation is 30%.
Wednesday Night
A 30 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 36.
Thursday
A chance of rain, mainly before 10am. Partly sunny, with a high near 56.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 39.
Friday
A chance of rain. Mostly cloudy, with a high near 57.
Friday Night
A chance of rain. Mostly cloudy, with a low around 40.
Saturday
A chance of rain. Mostly cloudy, with a high near 58.
Saturday Night
Rain likely. Mostly cloudy, with a low around 39.
Sunday
A chance of rain. Partly sunny, with a high near 56.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Illinois Valley OR
 42.11°N 123.69°W (Elev. 1398 ft)
12:41 am PST Jan 26, 2026
12am PST Jan 26, 2026-6pm PST Feb 1, 2026
 
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