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

48°F

9°C

Humidity 99%
Wind Speed NNE 3 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 02 Jan 09:52 PM PST
Extended Forecast for

5 Miles NNW Cave Junction OR

  • Tonight

    Tonight: Rain. Low around 42. Calm wind becoming south southeast around 5 mph after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Rain

  • Saturday

    Saturday: Rain, mainly after 11am. High near 50. Light south southeast wind becoming south 11 to 16 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 50 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. The rain could be heavy at times. Low around 40. South southwest wind 9 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 40 °F

    Heavy Rain

  • Sunday

    Sunday: Rain. Snow level 4100 feet. High near 46. South southwest wind around 7 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 46 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Snow level 3800 feet. Low around 36. Light south wind. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 36 °F

    Rain

  • Monday

    Monday: Rain, mainly before 4pm. Snow level 3700 feet. High near 44. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 44 °F

    Rain

  • Monday Night

    Monday Night: A chance of rain before 10pm, then a slight chance of rain after 4am. Snow level 3800 feet. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.

    Low: 33 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely, mainly after 4pm. Snow level 3900 feet. Mostly cloudy, with a high near 44.

    High: 44 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain. Snow level 4000 feet. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Rain

Detailed Forecast

Tonight
Rain. Low around 42. Calm wind becoming south southeast around 5 mph after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Rain, mainly after 11am. High near 50. Light south southeast wind becoming south 11 to 16 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
Rain. The rain could be heavy at times. Low around 40. South southwest wind 9 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Sunday
Rain. Snow level 4100 feet. High near 46. South southwest wind around 7 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain. Snow level 3800 feet. Low around 36. Light south wind. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Rain, mainly before 4pm. Snow level 3700 feet. High near 44. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
A chance of rain before 10pm, then a slight chance of rain after 4am. Snow level 3800 feet. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Tuesday
Rain likely, mainly after 4pm. Snow level 3900 feet. Mostly cloudy, with a high near 44.
Tuesday Night
Rain. Snow level 4000 feet. Mostly cloudy, with a low around 35.
Wednesday
Rain. Snow level 3400 feet. Mostly cloudy, with a high near 42.
Wednesday Night
Rain likely, possibly mixed with snow. Snow level 2700 feet. Mostly cloudy, with a low around 30.
Thursday
A chance of rain and snow. Snow level 2300 feet rising to 2900 feet in the afternoon. Partly sunny, with a high near 44.
Thursday Night
A slight chance of rain. Snow level 2500 feet. Partly cloudy, with a low around 29.
Friday
Partly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Cave Junction OR
 42.25°N 123.69°W (Elev. 1499 ft)
Last Update:
9:41 pm PST Jan 2, 2026
Forecast Valid:
11pm PST Jan 2, 2026-6pm PST Jan 9, 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