Major Winter Storm Ongoing in the Upper Midwest and Great Lakes; Severe Weather Along the East Coast

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through today across the Upper Midwest and Upper Great Lakes. Widespread severe storms are expected across the entire eastern U.S. with the highest threat over the interior Mid-Atlantic, where there is a risk for damaging wind gusts and a few tornadoes. Heat continues to build in the West. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

78°F

26°C

Humidity 31%
Wind Speed N 2 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Heat Index78°F (26°C)
Last update 16 Mar 03:52 PM PDT
Extended Forecast for

9 Miles WNW Illinois Valley OR

  • Tonight

    Tonight: Clear, with a low around 48. Southwest wind 3 to 5 mph.

    Low: 48 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 68. West southwest wind 5 to 7 mph.

    High: 68 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49. South wind 5 to 8 mph.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 67. South wind 6 to 10 mph becoming west southwest in the afternoon.

    High: 67 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50. West southwest wind 5 to 9 mph becoming south after midnight.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of rain, mainly after 11pm.  Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance Rain

Detailed Forecast

Tonight
Clear, with a low around 48. Southwest wind 3 to 5 mph.
Tuesday
Sunny, with a high near 68. West southwest wind 5 to 7 mph.
Tuesday Night
Mostly clear, with a low around 49. South wind 5 to 8 mph.
Wednesday
Sunny, with a high near 67. South wind 6 to 10 mph becoming west southwest in the afternoon.
Wednesday Night
Partly cloudy, with a low around 50. West southwest wind 5 to 9 mph becoming south after midnight.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Partly sunny, with a high near 66.
Friday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 47.
Saturday
A chance of rain, mainly before 11am. Partly sunny, with a high near 58.
Saturday Night
A slight chance of rain and snow. Snow level 6700 feet lowering to 5800 feet after midnight . Partly cloudy, with a low around 39.
Sunday
A slight chance of rain and snow. Snow level 5600 feet. Mostly sunny, with a high near 55.
Sunday Night
A slight chance of rain and snow. Snow level 6000 feet lowering to 5000 feet after midnight . Mostly cloudy, with a low around 37.
Monday
A chance of rain and snow. Snow level 4700 feet. Partly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WNW Illinois Valley OR
 42.15°N 123.85°W (Elev. 3356 ft)
3:21 pm PDT Mar 16, 2026
4pm PDT Mar 16, 2026-6pm PDT Mar 23, 2026
 
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Additional Resources

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