Heavy Mountain Snow in the Northwest U.S.; Wintry Mix in the Northeast U.S.

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. overnight into Wednesday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

44°F

7°C

Humidity 87%
Wind Speed WSW 5 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Wind Chill41°F (5°C)
Last update 06 Jan 10:52 PM PST
Extended Forecast for

9 Miles ENE Happy Camp CA

Winter Weather Advisory January 7, 01:00pm until January 8, 01:00am
Click here for hazard details and duration
Winter Weather Advisory
  • Tonight

    Tonight: Rain, mainly before 5am.  Snow level 4400 feet. Steady temperature around 41. West wind around 6 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Rain

  • Wednesday

    Wednesday: Rain after 10am, mixing with snow after 5pm.  Snow level 4100 feet lowering to 3300 feet in the afternoon . High near 46. West southwest wind 6 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 46 °F

    Slight Chance
    Rain then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain likely, possibly mixed with snow, mainly before 4am.  Snow level 2400 feet lowering to 1800 feet after midnight . Mostly cloudy, with a low around 29. West southwest wind 5 to 7 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of snow before 10am, then a slight chance of rain and snow between 10am and 1pm, then a slight chance of rain after 1pm.  Snow level rising to 2200 feet in the afternoon. Mostly sunny, with a high near 44. Light and variable wind.  Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26. Light east wind.

    Low: 26 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain, mainly before 5am. Snow level 4400 feet. Steady temperature around 41. West wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain after 10am, mixing with snow after 5pm. Snow level 4100 feet lowering to 3300 feet in the afternoon . High near 46. West southwest wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
Rain likely, possibly mixed with snow, mainly before 4am. Snow level 2400 feet lowering to 1800 feet after midnight . Mostly cloudy, with a low around 29. West southwest wind 5 to 7 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow before 10am, then a slight chance of rain and snow between 10am and 1pm, then a slight chance of rain after 1pm. Snow level rising to 2200 feet in the afternoon. Mostly sunny, with a high near 44. Light and variable wind. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Thursday Night
Partly cloudy, with a low around 26. Light east wind.
Friday
Sunny, with a high near 49.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Mostly sunny, with a high near 51.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 60.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Happy Camp CA
 41.84°N 123.19°W (Elev. 1421 ft)
11:11 pm PST Jan 6, 2026
11pm PST Jan 6, 2026-6pm PST Jan 13, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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