National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

49°F

9°C

Humidity 92%
Wind Speed SW 9 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 03 Jan 08:52 PM PST
Extended Forecast for

6 Miles N Cave Junction OR

  • Tonight

    Tonight: Rain. Snow level 5500 feet lowering to 4800 feet after midnight . Steady temperature around 42. South wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 42 °F

    Rain

  • Sunday

    Sunday: A chance of rain and snow before 1pm, then a chance of rain between 1pm and 2pm, then rain, possibly mixed with snow after 2pm. Snow level 3900 feet. High near 40. South southwest wind 6 to 10 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 40 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow, becoming all snow after 1am. Snow level 3400 feet. Steady temperature around 36. South wind 3 to 7 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 36 °F

    Rain/Snow

  • Monday

    Monday: Snow likely before 1pm, then a chance of rain and snow. Partly sunny, with a high near 38. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Snow Likely
    then Chance
    Rain/Snow

  • Monday Night

    Monday Night: A slight chance of rain and snow before 10pm. Snow level 3400 feet. Partly cloudy, with a low around 29. Light and variable wind. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A chance of snow before 1pm, then rain, possibly mixed with snow. High near 39. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 39 °F

    Chance Snow
    then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow. Snow level 3800 feet. Low around 32. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain, possibly mixed with snow, becoming all snow after 1pm. Snow level 3400 feet. Mostly cloudy, with a high near 37.

    High: 37 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Snow

Detailed Forecast

Tonight
Rain. Snow level 5500 feet lowering to 4800 feet after midnight . Steady temperature around 42. South wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Sunday
A chance of rain and snow before 1pm, then a chance of rain between 1pm and 2pm, then rain, possibly mixed with snow after 2pm. Snow level 3900 feet. High near 40. South southwest wind 6 to 10 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Sunday Night
Rain and snow, becoming all snow after 1am. Snow level 3400 feet. Steady temperature around 36. South wind 3 to 7 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Monday
Snow likely before 1pm, then a chance of rain and snow. Partly sunny, with a high near 38. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday Night
A slight chance of rain and snow before 10pm. Snow level 3400 feet. Partly cloudy, with a low around 29. Light and variable wind. Chance of precipitation is 20%.
Tuesday
A chance of snow before 1pm, then rain, possibly mixed with snow. High near 39. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday Night
Rain and snow. Snow level 3800 feet. Low around 32. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday
Rain, possibly mixed with snow, becoming all snow after 1pm. Snow level 3400 feet. Mostly cloudy, with a high near 37.
Wednesday Night
Snow. Mostly cloudy, with a low around 29.
Thursday
Snow likely, mainly before 10am. Partly sunny, with a high near 37.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 40.
Friday Night
Mostly cloudy, with a low around 27.
Saturday
Partly sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles N Cave Junction OR
 42.25°N 123.67°W (Elev. 3409 ft)
Last Update:
3:41 pm PST Jan 3, 2026
Forecast Valid:
9pm PST Jan 3, 2026-6pm PST Jan 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation