Dangerous Cold Persists through Monday; Wintry Weather from the Northern Plains to the Great Lakes

Bitter cold temperatures and dangerous wind chills will persist from Florida to the Northeast through the day. Daily record low temperatures are forecast across the Southeast and Florida, with some all-time February low temperature records possible across Florida. An Alberta clipper will spread wintry precipitation across the Northern Plains today and into the upper Great Lakes into tonight. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

39°F

4°C

Humidity 98%
Wind Speed NNE 1 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 02 Feb 10:52 AM PST
Extended Forecast for

17 Miles WNW Illinois Valley OR

  • Today

    Today: Mostly sunny, with a high near 54. East northeast wind around 8 mph.

    High: 54 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 48. Southeast wind around 11 mph, with gusts as high as 18 mph.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 58. South southeast wind 5 to 9 mph.

    High: 58 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48. East southeast wind around 9 mph.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 62. East wind 7 to 10 mph.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 48.

    Low: 48 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 54. East northeast wind around 8 mph.
Tonight
Mostly clear, with a low around 48. Southeast wind around 11 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 58. South southeast wind 5 to 9 mph.
Tuesday Night
Mostly clear, with a low around 48. East southeast wind around 9 mph.
Wednesday
Sunny, with a high near 62. East wind 7 to 10 mph.
Wednesday Night
Clear, with a low around 48.
Thursday
Sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 53.
Friday Night
A slight chance of rain after 4am. Snow level 6200 feet. Partly cloudy, with a low around 47.
Saturday
A chance of rain. Snow level 6300 feet. Partly sunny, with a high near 51.
Saturday Night
A chance of rain. Snow level 6500 feet. Mostly cloudy, with a low around 48.
Sunday
Rain and snow likely. Snow level 5700 feet. Mostly cloudy, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles WNW Illinois Valley OR
 42.18°N 123.98°W (Elev. 4344 ft)
9:41 am PST Feb 2, 2026
11am PST Feb 2, 2026-6pm PST Feb 8, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database