Above Average Temperatures for the West and Central Plains; Lake Effect Snow Continues

Well above average temperatures will prevail across the Plains and the West Coast this week, while a cold front will bring Arctic air to the South and East Coast Thursday and Friday. Lake effect snow is forecast downwind of the Great Lakes through Thursday along and behind the Arctic front, as well as mountain snow across the Southern Appalachians. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

31°F

-1°C

Humidity 99%
Wind Speed NNE 0 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 13 Jan 11:52 PM PST
Extended Forecast for

9 Miles WNW Illinois Valley OR

Air Stagnation Advisory January 14, 12:43am until January 16, 10:00am
Freezing Fog Advisory until January 14, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
Freezing Fog Advisory
  •  
    Air Stagnation Advisory January 14, 12:43am until January 16, 10:00am
    Freezing Fog Advisory until January 14, 12:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 45 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 57. East northeast wind around 10 mph.

    High: 57 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 47. East northeast wind around 14 mph, with gusts as high as 21 mph.

    Low: 47 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 57. East northeast wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 47. East northeast wind around 11 mph.

    Low: 47 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 43.

    Low: 43 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

Detailed Forecast

Overnight
Clear, with a low around 45. East northeast wind around 9 mph.
Wednesday
Sunny, with a high near 57. East northeast wind around 10 mph.
Wednesday Night
Clear, with a low around 47. East northeast wind around 14 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 57. East northeast wind 10 to 15 mph, with gusts as high as 23 mph.
Thursday Night
Clear, with a low around 47. East northeast wind around 11 mph.
Friday
Sunny, with a high near 58.
Friday Night
Clear, with a low around 43.
Saturday
Sunny, with a high near 57.
Saturday Night
Clear, with a low around 42.
Sunday
Sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 40.
M.L.King Day
Sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
A slight chance of rain. Snow level 5500 feet. Partly sunny, with a high near 49.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WNW Illinois Valley OR
 42.15°N 123.85°W (Elev. 3356 ft)
9:46 pm PST Jan 13, 2026
12am PST Jan 14, 2026-6pm PST Jan 20, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database