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

Lake Effect Snow in the Lower Great Lakes; Rain and High Elevation Snow in the West

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. In the Western U.S., rain and higher elevation snow will continue over the Great Basin through Friday. A front will move over the Pacific Northwest Thursday afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10386°NLon: 123.68519°WElev: 1389.0ft.

NA

39°F

4°C

Humidity 98%
Wind Speed N 0 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 12 Feb 12:52 AM PST
Extended Forecast for

9 Miles ENE Happy Camp CA

  • Overnight

    Overnight: Mostly clear, with a low around 37. Light north northwest wind.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 59. Calm wind.

    High: 59 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 58. Calm wind becoming west around 5 mph in the afternoon.

    High: 58 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 37. West wind 3 to 5 mph.

    Low: 37 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A 50 percent chance of rain. Snow level 4400 feet rising to 5200 feet in the afternoon. Mostly cloudy, with a high near 52.

    High: 52 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Rain Likely

  • Sunday

    Sunday: Rain likely. Snow level 4400 feet. Mostly cloudy, with a high near 53.

    High: 53 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain likely, mainly before 10pm. Snow level 4300 feet. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Rain Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 37. Light north northwest wind.
Thursday
Mostly sunny, with a high near 59. Calm wind.
Thursday Night
Partly cloudy, with a low around 36. Calm wind.
Friday
Mostly sunny, with a high near 58. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 37. West wind 3 to 5 mph.
Saturday
A 50 percent chance of rain. Snow level 4400 feet rising to 5200 feet in the afternoon. Mostly cloudy, with a high near 52.
Saturday Night
Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain likely. Snow level 4400 feet. Mostly cloudy, with a high near 53.
Sunday Night
Rain likely, mainly before 10pm. Snow level 4300 feet. Mostly cloudy, with a low around 35.
Washington's Birthday
Rain likely, mainly after 10am. Snow level 3700 feet. Mostly cloudy, with a high near 48.
Monday Night
Rain, possibly mixed with snow. Snow level 3400 feet lowering to 2700 feet after midnight . Cloudy, with a low around 29.
Tuesday
Rain, possibly mixed with snow. Snow level 2000 feet rising to 2600 feet in the afternoon. Cloudy, with a high near 44.
Tuesday Night
Rain, possibly mixed with snow. Snow level 2300 feet. Mostly cloudy, with a low around 29.
Wednesday
Rain and snow. Snow level 2000 feet rising to 3100 feet in the afternoon. Mostly cloudy, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Happy Camp CA
 41.84°N 123.19°W (Elev. 1421 ft)
Last Update:
1:06 am PST Feb 12, 2026
Forecast Valid:
1am PST Feb 12, 2026-6pm PST Feb 18, 2026
 
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Additional Resources

Radar & Satellite Image

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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