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

41°F

5°C

Humidity 98%
Wind Speed NE 0 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 12 Feb 03:52 AM PST
Extended Forecast for

11 Miles NNE Happy Camp CA

  • Today

    Today: Partly sunny, with a high near 45. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 45 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 34. Calm wind becoming south around 6 mph after midnight.

    Low: 34 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 46. South southwest wind 8 to 10 mph.

    High: 46 °F

    Partly Sunny

  • Friday Night

    Friday Night: Snow likely, possibly mixed with rain, mainly after 4am.  Snow level 5200 feet lowering to 4500 feet after midnight . Mostly cloudy, with a low around 36. South southwest wind around 9 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 36 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Saturday

    Saturday: Rain likely, possibly mixed with snow before 1pm, then rain.  Snow level 4600 feet rising to 5300 feet in the afternoon. High near 42. South wind 9 to 11 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Rain/Snow

  • Saturday Night

    Saturday Night: Rain before 7pm, then rain, possibly mixed with snow.  Snow level 4800 feet. Low around 35. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 35 °F

    Rain/Snow

  • Sunday

    Sunday: Snow likely before 10am, then rain, possibly mixed with snow.  Snow level 4500 feet. High near 41. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Rain likely, possibly mixed with snow before 1am, then a chance of snow.  Snow level 4400 feet. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Rain/Snow
    Likely

  • Washington's Birthday

    Washington's Birthday: Snow likely, mainly after 10am.  Mostly cloudy, with a high near 39.

    High: 39 °F

    Snow Likely

Detailed Forecast

Today
Partly sunny, with a high near 45. Calm wind becoming northeast around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 34. Calm wind becoming south around 6 mph after midnight.
Friday
Partly sunny, with a high near 46. South southwest wind 8 to 10 mph.
Friday Night
Snow likely, possibly mixed with rain, mainly after 4am. Snow level 5200 feet lowering to 4500 feet after midnight . Mostly cloudy, with a low around 36. South southwest wind around 9 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
Rain likely, possibly mixed with snow before 1pm, then rain. Snow level 4600 feet rising to 5300 feet in the afternoon. High near 42. South wind 9 to 11 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday Night
Rain before 7pm, then rain, possibly mixed with snow. Snow level 4800 feet. Low around 35. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Sunday
Snow likely before 10am, then rain, possibly mixed with snow. Snow level 4500 feet. High near 41. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Sunday Night
Rain likely, possibly mixed with snow before 1am, then a chance of snow. Snow level 4400 feet. Mostly cloudy, with a low around 34.
Washington's Birthday
Snow likely, mainly after 10am. Mostly cloudy, with a high near 39.
Monday Night
Snow. Cloudy, with a low around 30.
Tuesday
Snow. The snow could be heavy at times. Cloudy, with a high near 35.
Tuesday Night
Snow. The snow could be heavy at times. Mostly cloudy, with a low around 29.
Wednesday
Snow. The snow could be heavy at times. Cloudy, with a high near 35. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNE Happy Camp CA
 41.94°N 123.25°W (Elev. 4360 ft)
3:41 am PST Feb 12, 2026
4am 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