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

51°F

11°C

Humidity 98%
Wind Speed NE 1 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 02 Jan 11:52 AM PST
Extended Forecast for

14 Miles S Murphy OR

  • This Afternoon

    This Afternoon: A 20 percent chance of rain before 2pm. Snow level 6900 feet lowering to 6200 feet. Partly sunny, with a high near 48. Calm wind becoming southeast around 5 mph.

    High: 48 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Rain. Snow level 6800 feet lowering to 5500 feet after midnight . Low around 40. South southwest wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 40 °F

    Rain

  • Saturday

    Saturday: Rain. Snow level 5200 feet. High near 45. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 45 °F

    Rain and
    Breezy

  • Saturday Night

    Saturday Night: Rain. Snow level 5200 feet. Low around 39. South southwest wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 39 °F

    Rain

  • Sunday

    Sunday: Rain, possibly mixed with snow. Snow level 4300 feet. High near 41. South southwest wind around 11 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 41 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow. Snow level 3900 feet. Low around 37. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain/Snow

  • Monday

    Monday: Rain and snow, mainly before 4pm. Snow level 3800 feet. High near 40. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow

  • Monday Night

    Monday Night: A chance of rain and snow before 10pm. Snow level 3900 feet. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow after 10am. Snow level 3600 feet rising to 4300 feet in the afternoon. Mostly cloudy, with a high near 40.

    High: 40 °F

    Chance
    Rain/Snow

Detailed Forecast

This Afternoon
A 20 percent chance of rain before 2pm. Snow level 6900 feet lowering to 6200 feet. Partly sunny, with a high near 48. Calm wind becoming southeast around 5 mph.
Tonight
Rain. Snow level 6800 feet lowering to 5500 feet after midnight . Low around 40. South southwest wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday
Rain. Snow level 5200 feet. High near 45. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
Rain. Snow level 5200 feet. Low around 39. South southwest wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Sunday
Rain, possibly mixed with snow. Snow level 4300 feet. High near 41. South southwest wind around 11 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Sunday Night
Rain and snow. Snow level 3900 feet. Low around 37. Chance of precipitation is 80%. Little or no snow accumulation expected.
Monday
Rain and snow, mainly before 4pm. Snow level 3800 feet. High near 40. Chance of precipitation is 80%. Little or no snow accumulation expected.
Monday Night
A chance of rain and snow before 10pm. Snow level 3900 feet. Mostly cloudy, with a low around 34.
Tuesday
A chance of rain and snow after 10am. Snow level 3600 feet rising to 4300 feet in the afternoon. Mostly cloudy, with a high near 40.
Tuesday Night
Rain and snow likely, mainly after 10pm. Snow level 4200 feet. Mostly cloudy, with a low around 37.
Wednesday
Snow likely. Mostly cloudy, with a high near 38.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 31.
Thursday
A chance of snow. Partly sunny, with a high near 38.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles S Murphy OR
 42.15°N 123.34°W (Elev. 3570 ft)
Last Update:
11:46 am PST Jan 2, 2026
Forecast Valid:
12pm PST Jan 2, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation