Snow May Produce Poor Travel Conditions in the North-Central U.S. and East Coast

A strong cold front sweeping across the Northern Plains may bring snow showers and snow squalls from eastern Montana to north-central Nebraska, with blizzard conditions possible in eastern North Dakota and northwestern Montana. Heavy snow is expected to persist downwind of the Great Lakes. Snow showers will spread up the East Coast across the Mid-Atlantic and Northeast coasts. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

33°F

1°C

Humidity 97%
Wind Speed NNE 2 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 18 Jan 10:52 AM PST
Extended Forecast for

9 Miles WNW Illinois Valley OR

Air Stagnation Advisory January 18, 11:07am until January 21, 04:00pm
Freezing Fog Advisory until January 18, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
Freezing Fog Advisory
  •  
    Air Stagnation Advisory January 18, 11:07am until January 21, 04:00pm
    Freezing Fog Advisory until January 18, 12:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 55 °F

    Mostly Sunny

  • Tonight

    Tonight: Clear, with a low around 44. East wind 6 to 8 mph.

    Low: 44 °F

    Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 55. East northeast wind 6 to 10 mph.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. East wind around 8 mph.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 59. East wind 5 to 7 mph becoming light and variable  in the afternoon.

    High: 59 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 55. Southwest wind 3 to 5 mph.
Tonight
Clear, with a low around 44. East wind 6 to 8 mph.
M.L.King Day
Sunny, with a high near 55. East northeast wind 6 to 10 mph.
Monday Night
Mostly clear, with a low around 44. East wind around 8 mph.
Tuesday
Mostly sunny, with a high near 59. East wind 5 to 7 mph becoming light and variable in the afternoon.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Partly sunny, with a high near 53.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
A slight chance of rain after 4pm. Snow level 5100 feet. Mostly sunny, with a high near 48.
Thursday Night
A chance of rain, mainly after 10pm. Snow level 5100 feet. Partly cloudy, with a low around 35.
Friday
A chance of rain. Snow level 4700 feet. Partly sunny, with a high near 45.
Friday Night
A chance of rain and snow. Snow level 4500 feet. Mostly cloudy, with a low around 37.
Saturday
A chance of rain and snow. Snow level 4200 feet. Partly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WNW Illinois Valley OR
 42.15°N 123.85°W (Elev. 3356 ft)
10:11 am PST Jan 18, 2026
11am PST Jan 18, 2026-6pm PST Jan 24, 2026
 
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Additional Resources

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