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

52°F

11°C

Humidity 97%
Wind Speed ENE 0 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 02 Jan 01:52 PM PST
Extended Forecast for

12 Miles W Happy Camp CA

Winter Storm Warning January 3, 04:00pm until January 4, 04:00pm
Click here for hazard details and duration
Winter Storm Warning
  • This Afternoon

    This Afternoon: A 30 percent chance of rain, mainly between 3pm and 4pm.  Snow level 6200 feet. Partly sunny, with a high near 42. South southeast wind around 16 mph, with gusts as high as 37 mph.

    High: 42 °F

    Chance Rain

  • Tonight

    Tonight: Rain before midnight, then rain and snow.  Snow level 6500 feet lowering to 5600 feet after midnight . Low around 36. Breezy, with a south wind 18 to 22 mph, with gusts as high as 41 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain then
    Rain/Snow and
    Breezy

  • Saturday

    Saturday: Rain and snow.  Snow level 5200 feet. High near 38. Breezy, with a south wind 18 to 25 mph, with gusts as high as 45 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 38 °F

    Rain/Snow and
    Breezy

  • Saturday Night

    Saturday Night: Rain, possibly mixed with snow. The rain could be heavy at times.  Snow level 5300 feet. Low around 34. Breezy, with a south southwest wind 24 to 26 mph, with gusts as high as 43 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 34 °F

    Rain/Snow and
    Breezy

  • Sunday

    Sunday: Snow. The snow could be heavy at times.  High near 36. South southwest wind 15 to 18 mph, with gusts as high as 29 mph.  Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    High: 36 °F

    Heavy Snow

  • Sunday Night

    Sunday Night: Snow. The snow could be heavy at times.  Low around 33. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    Low: 33 °F

    Heavy Snow

  • Monday

    Monday: Snow, mainly before 4pm. The snow could be heavy at times.  High near 34. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 34 °F

    Heavy Snow

  • Monday Night

    Monday Night: A chance of snow, mainly before 10pm.  Mostly cloudy, with a low around 30.

    Low: 30 °F

    Chance Snow

  • Tuesday

    Tuesday: Snow likely, mainly after 4pm.  Mostly cloudy, with a high near 36.

    High: 36 °F

    Snow Likely

Detailed Forecast

This Afternoon
A 30 percent chance of rain, mainly between 3pm and 4pm. Snow level 6200 feet. Partly sunny, with a high near 42. South southeast wind around 16 mph, with gusts as high as 37 mph.
Tonight
Rain before midnight, then rain and snow. Snow level 6500 feet lowering to 5600 feet after midnight . Low around 36. Breezy, with a south wind 18 to 22 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Saturday
Rain and snow. Snow level 5200 feet. High near 38. Breezy, with a south wind 18 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Saturday Night
Rain, possibly mixed with snow. The rain could be heavy at times. Snow level 5300 feet. Low around 34. Breezy, with a south southwest wind 24 to 26 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Sunday
Snow. The snow could be heavy at times. High near 36. South southwest wind 15 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Sunday Night
Snow. The snow could be heavy at times. Low around 33. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Monday
Snow, mainly before 4pm. The snow could be heavy at times. High near 34. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Monday Night
A chance of snow, mainly before 10pm. Mostly cloudy, with a low around 30.
Tuesday
Snow likely, mainly after 4pm. Mostly cloudy, with a high near 36.
Tuesday Night
Snow. Mostly cloudy, with a low around 32.
Wednesday
Snow. The snow could be heavy at times. Mostly cloudy, with a high near 33.
Wednesday Night
Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 27.
Thursday
A chance of snow. Partly sunny, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W Happy Camp CA
 41.79°N 123.59°W (Elev. 5000 ft)
12:46 pm PST Jan 2, 2026
2pm PST Jan 2, 2026-6pm PST Jan 8, 2026
 
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Additional Resources

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