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

Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

58°F

14°C

Humidity 71%
Wind Speed SW 5 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 08 Dec 04:52 PM PST
Extended Forecast for

Happy Camp CA

  • Tonight

    Tonight: Areas of fog before 10pm, then patchy fog after 1am. Otherwise, partly cloudy, with a low around 41. Light and variable wind.

    Low: 41 °F

    Areas Fog

  • Tuesday

    Tuesday: Areas of dense fog before noon. Otherwise, mostly sunny, with a high near 60. Light and variable wind.

    High: 60 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 43. South southwest wind around 5 mph becoming calm in the evening.

    Low: 43 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before noon. Otherwise, mostly sunny, with a high near 64. Calm wind.

    High: 64 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41. Light east southeast wind.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Patchy fog before 10am. Otherwise, sunny, with a high near 64.

    High: 64 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Tonight
Areas of fog before 10pm, then patchy fog after 1am. Otherwise, partly cloudy, with a low around 41. Light and variable wind.
Tuesday
Areas of dense fog before noon. Otherwise, mostly sunny, with a high near 60. Light and variable wind.
Tuesday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 43. South southwest wind around 5 mph becoming calm in the evening.
Wednesday
Patchy fog before noon. Otherwise, mostly sunny, with a high near 64. Calm wind.
Wednesday Night
Mostly clear, with a low around 41. Light east southeast wind.
Thursday
Patchy fog before 10am. Otherwise, sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 41.
Friday
Sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 40.
Saturday
Sunny, with a high near 64.
Saturday Night
A chance of rain. Partly cloudy, with a low around 40.
Sunday
A chance of rain. Partly sunny, with a high near 58.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 42.
Monday
A chance of rain. Mostly cloudy, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Happy Camp CA
 41.81°N 123.36°W (Elev. 1299 ft)
Last Update:
3:41 pm PST Dec 8, 2025
Forecast Valid:
5pm PST Dec 8, 2025-6pm PST Dec 15, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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Chance of Precipitation