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

53°F

12°C

Humidity 59%
Wind Speed NE 2 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 18 Jan 01:52 PM PST
Extended Forecast for

17 Miles WNW Illinois Valley OR

Air Stagnation Advisory January 18, 02:35pm until January 21, 04:00pm
Freezing Fog Advisory January 18, 08:00pm until January 19, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
Freezing Fog Advisory
  •  
    Air Stagnation Advisory January 18, 02:35pm until January 21, 04:00pm

    NOW until 4:00pm Wed

    Air Stagnation Advisory

  • This Afternoon

    High: 55 °F

    Mostly Sunny

  • Tonight

    Tonight: Clear, with a low around 50. East wind around 7 mph.

    Low: 50 °F

    Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 58. East wind 5 to 9 mph becoming calm  in the afternoon.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49. East southeast wind around 8 mph.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60. East wind around 6 mph becoming light and variable  in the afternoon.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly 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 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 55. Light west northwest wind.
Tonight
Clear, with a low around 50. East wind around 7 mph.
M.L.King Day
Sunny, with a high near 58. East wind 5 to 9 mph becoming calm in the afternoon.
Monday Night
Mostly clear, with a low around 49. East southeast wind around 8 mph.
Tuesday
Mostly sunny, with a high near 60. East wind around 6 mph becoming light and variable in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 47.
Wednesday
Partly sunny, with a high near 53.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Sunny, with a high near 46.
Thursday Night
A slight chance of rain and snow after 10pm. Snow level 5100 feet. Partly cloudy, with a low around 36.
Friday
A chance of rain and snow. Snow level 4900 feet. Partly sunny, with a high near 45.
Friday Night
A chance of rain and snow. Snow level 4700 feet. Mostly cloudy, with a low around 36.
Saturday
A chance of rain and snow. Snow level 4400 feet. Partly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles WNW Illinois Valley OR
 42.18°N 123.98°W (Elev. 4344 ft)
2:21 pm PST Jan 18, 2026
2pm PST Jan 18, 2026-6pm PST Jan 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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