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

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

46°F

8°C

Humidity 98%
Wind Speed WNW 0 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 07 Dec 09:52 PM PST
Extended Forecast for

14 Miles N Happy Camp CA

  • Tonight

    Tonight: A 30 percent chance of rain. Snow level 7400 feet. Mostly cloudy, with a low around 38. Southwest wind around 7 mph.

    Low: 38 °F

    Chance Rain

  • Monday

    Monday: A 30 percent chance of rain, mainly before 10am. Partly sunny, with a high near 46. South wind around 7 mph.

    High: 46 °F

    Chance Rain

  • Monday Night

    Monday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 37. Southwest wind around 13 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A 50 percent chance of rain. Mostly cloudy, with a high near 47. Southwest wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 47 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 43. Southwest wind around 9 mph.

    Low: 43 °F

    Chance Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 50.

    High: 50 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 10pm. Snow level 8000 feet. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of rain. Snow level 7400 feet. Mostly cloudy, with a low around 38. Southwest wind around 7 mph.
Monday
A 30 percent chance of rain, mainly before 10am. Partly sunny, with a high near 46. South wind around 7 mph.
Monday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 37. Southwest wind around 13 mph, with gusts as high as 20 mph.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 47. Southwest wind 10 to 15 mph, with gusts as high as 23 mph.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 43. Southwest wind around 9 mph.
Wednesday
A 40 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 50.
Wednesday Night
A 20 percent chance of rain before 10pm. Snow level 8000 feet. Mostly cloudy, with a low around 39.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
Mostly clear, with a low around 39.
Friday
Sunny, with a high near 53.
Friday Night
Mostly clear, with a low around 38.
Saturday
Sunny, with a high near 52.
Saturday Night
A slight chance of rain. Snow level 7200 feet. Partly cloudy, with a low around 39.
Sunday
A chance of rain. Snow level 6900 feet. Partly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
14 Miles N Happy Camp CA
 42.01°N 123.39°W (Elev. 4977 ft)
Last Update:
9:41 pm PST Dec 7, 2025
Forecast Valid:
10pm PST Dec 7, 2025-6pm PST Dec 14, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation