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

64°F

18°C

Humidity 61%
Wind Speed SW 5 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 08 Dec 02:52 PM PST
Extended Forecast for

7 Miles NE Happy Camp CA

  • Tonight

    Tonight: Partly cloudy, with a low around 40. Calm wind becoming north northeast around 6 mph in the evening.

    Low: 40 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Patchy fog before 10am.  Otherwise, partly sunny, with a high near 60. Light and variable wind becoming west northwest around 5 mph in the morning.

    High: 60 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42. South wind 3 to 7 mph.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 64. Light southwest wind.

    High: 64 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

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

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Thursday Night

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

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Friday Night

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

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 40. Calm wind becoming north northeast around 6 mph in the evening.
Tuesday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 60. Light and variable wind becoming west northwest around 5 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 42. South wind 3 to 7 mph.
Wednesday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 64. Light southwest wind.
Wednesday Night
Mostly clear, with a low around 41. Light southeast wind.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 41.
Friday
Sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 62.
Saturday Night
A slight chance of rain. Partly cloudy, with a low around 40.
Sunday
A chance of rain. Partly sunny, with a high near 57.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 42.
Monday
A chance of rain. Partly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NE Happy Camp CA
 41.87°N 123.26°W (Elev. 2041 ft)
3:41 pm PST Dec 8, 2025
3pm PST Dec 8, 2025-6pm PST Dec 15, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database