Major Winter Storm Ongoing in the Upper Midwest; Severe Weather Tonight from the Mid-South to the Ohio Valley

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through Monday across the Upper Midwest and Upper Great Lakes. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-South to the Ohio Valley and the Southeast through tonight, moving into the Mid-Atlantic Monday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10386°NLon: 123.68519°WElev: 1389.0ft.

NA

48°F

9°C

Humidity 80%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 15 Mar 09:52 PM PDT
Extended Forecast for

8 Miles WNW Illinois Valley OR

  • Tonight

    Tonight: Partly cloudy, with a low around 48. Light north northeast wind.

    Low: 48 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 69. Light and variable wind becoming east around 5 mph.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 48. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 48 °F

    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69. Light and variable wind becoming southwest 5 to 7 mph in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48. South wind 5 to 8 mph.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 48. Light north northeast wind.
Monday
Sunny, with a high near 69. Light and variable wind becoming east around 5 mph.
Monday Night
Clear, with a low around 48. West southwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 69. Light and variable wind becoming southwest 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 48. South wind 5 to 8 mph.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 68.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 47.
Saturday
A slight chance of rain and snow. Snow level 7000 feet lowering to 6100 feet. Partly sunny, with a high near 59.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
A slight chance of rain and snow. Snow level 4600 feet rising to 5400 feet in the afternoon. Mostly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WNW Illinois Valley OR
 42.14°N 123.81°W (Elev. 3209 ft)
4:41 pm PDT Mar 15, 2026
10pm PDT Mar 15, 2026-6pm PDT Mar 22, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database