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 >

Hazardous Weather Conditions

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

53°F

12°C

Humidity 92%
Wind Speed W 1 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 02 Jan 02:52 PM PST
Extended Forecast for

13 Miles NE 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

  • Tonight

    Tonight: Rain and snow, becoming all snow after 2am. Snow level 6500 feet lowering to 5800 feet after midnight . Low around 34. Breezy, with a south wind 15 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 34 °F

    Rain/Snow and
    Breezy

  • Saturday

    Saturday: Snow after 10am. High near 36. South wind 14 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 36 °F

    Chance Snow
    then Snow

  • Saturday Night

    Saturday Night: Snow. The snow could be heavy at times. Low around 31. Windy, with a south wind 30 to 32 mph, with gusts as high as 49 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 31 °F

    Heavy Snow
    and Windy

  • Sunday

    Sunday: Snow. The snow could be heavy at times. High near 34. South southwest wind 15 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 34 °F

    Heavy Snow

  • Sunday Night

    Sunday Night: Snow. Low around 31. South southwest wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 31 °F

    Snow

  • Monday

    Monday: Snow likely, mainly before 4pm. Mostly cloudy, with a high near 32. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    High: 32 °F

    Snow Likely

  • Monday Night

    Monday Night: A 30 percent chance of snow before 10pm. Mostly cloudy, with a low around 29. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Snow likely, mainly after 4pm. Mostly cloudy, with a high near 33.

    High: 33 °F

    Snow Likely

  • Tuesday Night

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

    Low: 29 °F

    Snow Likely

Detailed Forecast

Tonight
Rain and snow, becoming all snow after 2am. Snow level 6500 feet lowering to 5800 feet after midnight . Low around 34. Breezy, with a south wind 15 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.
Saturday
Snow after 10am. High near 36. South wind 14 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Saturday Night
Snow. The snow could be heavy at times. Low around 31. Windy, with a south wind 30 to 32 mph, with gusts as high as 49 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Sunday
Snow. The snow could be heavy at times. High near 34. South southwest wind 15 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Sunday Night
Snow. Low around 31. South southwest wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Monday
Snow likely, mainly before 4pm. Mostly cloudy, with a high near 32. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Monday Night
A 30 percent chance of snow before 10pm. Mostly cloudy, with a low around 29. New snow accumulation of less than a half inch possible.
Tuesday
Snow likely, mainly after 4pm. Mostly cloudy, with a high near 33.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 29.
Wednesday
Snow. Mostly cloudy, with a high near 30.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 24.
Thursday
A chance of snow. Partly sunny, with a high near 30.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Mostly sunny, with a high near 34.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NE Happy Camp CA
 41.93°N 123.18°W (Elev. 5801 ft)
Last Update:
2:21 pm PST Jan 2, 2026
Forecast Valid:
3pm PST Jan 2, 2026-6pm PST Jan 9, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation