Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

47°F

8°C

Humidity 95%
Wind Speed S 3 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 09 Dec 01:52 AM PST
Extended Forecast for

14 Miles N Happy Camp CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 38. Southwest wind around 9 mph.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after noon.  Partly sunny, with a high near 48. West southwest wind around 9 mph.

    High: 48 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 40. Southwest wind around 8 mph.

    Low: 40 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 53. West southwest wind 5 to 7 mph.

    High: 53 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 38. South wind 7 to 9 mph.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 38. Southwest wind around 9 mph.
Tuesday
A 20 percent chance of rain after noon. Partly sunny, with a high near 48. West southwest wind around 9 mph.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 40. Southwest wind around 8 mph.
Wednesday
Mostly sunny, with a high near 53. West southwest wind 5 to 7 mph.
Wednesday Night
Mostly clear, with a low around 38. South wind 7 to 9 mph.
Thursday
Sunny, with a high near 52.
Thursday Night
Mostly clear, with a low around 39.
Friday
Sunny, with a high near 54.
Friday Night
Mostly clear, with a low around 39.
Saturday
Sunny, with a high near 52.
Saturday Night
A slight chance of rain. Snow level 6800 feet. Partly cloudy, with a low around 37.
Sunday
A chance of rain. Snow level 6600 feet. Partly sunny, with a high near 45.
Sunday Night
A chance of rain. Snow level 6900 feet. Mostly cloudy, with a low around 39.
Monday
Rain likely. Snow level 7600 feet. Mostly cloudy, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles N Happy Camp CA
 42.01°N 123.39°W (Elev. 4977 ft)
2:21 am PST Dec 9, 2025
2am PST Dec 9, 2025-6pm PST Dec 15, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database