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

71°F

22°C

Humidity 40%
Wind Speed E 2 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 16 Mar 01:52 PM PDT
Extended Forecast for

17 Miles WNW Illinois Valley OR

  • This Afternoon

    This Afternoon: Sunny, with a high near 65. West wind 6 to 8 mph.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 51. Light and variable wind becoming west southwest around 6 mph in the evening.

    Low: 51 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65. South southeast wind 5 to 8 mph becoming west southwest in the morning.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50. West southwest wind 5 to 10 mph becoming south southeast after midnight.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64. Southeast wind 6 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 21 mph.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 65.

    High: 65 °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 63.

    High: 63 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 65. West wind 6 to 8 mph.
Tonight
Clear, with a low around 51. Light and variable wind becoming west southwest around 6 mph in the evening.
Tuesday
Sunny, with a high near 65. South southeast wind 5 to 8 mph becoming west southwest in the morning.
Tuesday Night
Mostly clear, with a low around 50. West southwest wind 5 to 10 mph becoming south southeast after midnight.
Wednesday
Sunny, with a high near 64. Southeast wind 6 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Partly sunny, with a high near 63.
Friday Night
A chance of rain, mainly after 11pm. Snow level 8700 feet lowering to 7200 feet after midnight . Mostly cloudy, with a low around 47.
Saturday
A chance of rain and snow. Snow level 6600 feet lowering to 5900 feet. Partly sunny, with a high near 56. Breezy.
Saturday Night
A slight chance of rain and snow. Snow level 6200 feet lowering to 5400 feet after midnight . Partly cloudy, with a low around 39. Breezy.
Sunday
A slight chance of rain and snow. Snow level 5100 feet rising to 5600 feet in the afternoon. Mostly sunny, with a high near 53. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles WNW Illinois Valley OR
 42.18°N 123.98°W (Elev. 4344 ft)
1:41 pm PDT Mar 16, 2026
2pm PDT Mar 16, 2026-6pm PDT Mar 22, 2026
 
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Additional Resources

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