Frigid Airmass to Bring Significantly Colder Temperatures; Snow Continues Downwind of the Great Lakes

A frigid cold airmass will bring significantly colder weather across the eastern two thirds of the country early this week. Record low temperatures are expected in the Southeast by Tuesday morning. Moderate to heavy lake effect snow will continue downwind of the Great Lakes through Monday. Several inches of snow accumulation is expected, including in portions of the Chicago Metro Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10375°NLon: 123.68508°WElev: 1389.0ft.

NA

46°F

8°C

Humidity 97%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 09 Nov 07:52 PM PST
Extended Forecast for

17 Miles ESE Cave Junction OR

  • Tonight

    Tonight: Mostly cloudy, with a steady temperature around 49. South southwest wind 3 to 8 mph.

    Low: 49 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 59. West southwest wind 6 to 8 mph.

    High: 59 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42. Calm wind becoming west southwest 5 to 7 mph in the evening.

    Low: 42 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 56. Southwest wind around 7 mph.

    High: 56 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 44. South southwest wind 7 to 13 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of rain after 10am.  Snow level 7800 feet. Mostly cloudy, with a high near 53.

    High: 53 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain.  Snow level 8000 feet lowering to 7200 feet after midnight . Low around 35. Breezy.  Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 35 °F

    Rain and
    Breezy

  • Thursday

    Thursday: Rain before 10am, then rain and snow.  Snow level 5700 feet lowering to 5000 feet in the afternoon . Cloudy, with a high near 37.

    High: 37 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: Snow.  Mostly cloudy, with a low around 31.

    Low: 31 °F

    Snow

Detailed Forecast

Tonight
Mostly cloudy, with a steady temperature around 49. South southwest wind 3 to 8 mph.
Monday
Mostly sunny, with a high near 59. West southwest wind 6 to 8 mph.
Monday Night
Partly cloudy, with a low around 42. Calm wind becoming west southwest 5 to 7 mph in the evening.
Veterans Day
Partly sunny, with a high near 56. Southwest wind around 7 mph.
Tuesday Night
Mostly cloudy, with a low around 44. South southwest wind 7 to 13 mph, with gusts as high as 20 mph.
Wednesday
A 40 percent chance of rain after 10am. Snow level 7800 feet. Mostly cloudy, with a high near 53.
Wednesday Night
Rain. Snow level 8000 feet lowering to 7200 feet after midnight . Low around 35. Breezy. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Thursday
Rain before 10am, then rain and snow. Snow level 5700 feet lowering to 5000 feet in the afternoon . Cloudy, with a high near 37.
Thursday Night
Snow. Mostly cloudy, with a low around 31.
Friday
Snow likely before 1pm, then rain and snow likely. Mostly cloudy, with a high near 36.
Friday Night
Rain likely. Snow level 5600 feet rising to 6100 feet after midnight. Mostly cloudy, with a low around 32.
Saturday
Rain likely. Snow level 6600 feet rising to 7100 feet in the afternoon. Mostly cloudy, with a high near 41.
Saturday Night
Rain likely. Snow level 7000 feet lowering to 6300 feet after midnight . Mostly cloudy, with a low around 35.
Sunday
Rain and snow. Snow level 5400 feet. Cloudy, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles ESE Cave Junction OR
 42.06°N 123.34°W (Elev. 4767 ft)
2:21 pm PST Nov 9, 2025
8pm PST Nov 9, 2025-6pm PST Nov 16, 2025
 
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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