Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

44°F

7°C

Humidity 98%
Wind Speed NE 0 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 07 Dec 11:52 PM PST
Extended Forecast for

12 Miles NE Happy Camp CA

  • Overnight

    Overnight: A 20 percent chance of rain after 2am.  Snow level 7600 feet. Mostly cloudy, with a low around 39. Southwest wind around 7 mph.

    Low: 39 °F

    Slight Chance
    Rain

  • Monday

    Monday: A 20 percent chance of rain after 3pm.  Snow level 7800 feet rising to 8700 feet in the afternoon. Partly sunny, with a high near 44. Southwest wind 6 to 8 mph.

    High: 44 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 39. Southwest wind 14 to 18 mph, with gusts as high as 28 mph.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after 4pm.  Snow level 8200 feet. Partly sunny, with a high near 45. Southwest wind 13 to 18 mph, with gusts as high as 28 mph.

    High: 45 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly before 10pm.  Snow level 9200 feet lowering to 8600 feet after midnight . Mostly cloudy, with a low around 42. West southwest wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: 42 °F

    Chance Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain.  Snow level 8200 feet. Mostly sunny, with a high near 48.

    High: 48 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Thursday Night

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

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of rain after 2am. Snow level 7600 feet. Mostly cloudy, with a low around 39. Southwest wind around 7 mph.
Monday
A 20 percent chance of rain after 3pm. Snow level 7800 feet rising to 8700 feet in the afternoon. Partly sunny, with a high near 44. Southwest wind 6 to 8 mph.
Monday Night
Mostly cloudy, with a low around 39. Southwest wind 14 to 18 mph, with gusts as high as 28 mph.
Tuesday
A 30 percent chance of rain, mainly after 4pm. Snow level 8200 feet. Partly sunny, with a high near 45. Southwest wind 13 to 18 mph, with gusts as high as 28 mph.
Tuesday Night
A 30 percent chance of rain, mainly before 10pm. Snow level 9200 feet lowering to 8600 feet after midnight . Mostly cloudy, with a low around 42. West southwest wind 10 to 13 mph, with gusts as high as 20 mph.
Wednesday
A 20 percent chance of rain. Snow level 8200 feet. Mostly sunny, with a high near 48.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Sunny, with a high near 50.
Thursday Night
Mostly clear, with a low around 40.
Friday
Sunny, with a high near 51.
Friday Night
Mostly clear, with a low around 39.
Saturday
Sunny, with a high near 49.
Saturday Night
A chance of rain. Snow level 7000 feet. Mostly cloudy, with a low around 38.
Sunday
A slight chance of rain and snow. Snow level 6400 feet. Partly sunny, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NE Happy Camp CA
 41.92°N 123.21°W (Elev. 5666 ft)
11:06 pm PST Dec 7, 2025
12am PST Dec 8, 2025-6pm PST Dec 14, 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