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

55°F

13°C

Humidity 73%
Wind Speed W 5 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 07 Dec 10:52 AM PST
Extended Forecast for

9 Miles ENE Happy Camp CA

  • Today

    Today: A 30 percent chance of rain after 4pm. Partly sunny, with a high near 55. Calm wind becoming west around 5 mph in the afternoon.

    High: 55 °F

    Chance Rain

  • Tonight

    Tonight: A 30 percent chance of rain before 10pm. Mostly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Chance Rain
    then Mostly
    Cloudy

  • Monday

    Monday: A 10 percent chance of rain after 4pm. Mostly sunny, with a high near 60. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 60 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 44. South southwest wind 6 to 8 mph.

    Low: 44 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain before 4pm. Partly sunny, with a high near 59. Southwest wind around 7 mph.

    High: 59 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain before 10am. Partly sunny, with a high near 62.

    High: 62 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of rain after 4pm. Partly sunny, with a high near 55. Calm wind becoming west around 5 mph in the afternoon.
Tonight
A 30 percent chance of rain before 10pm. Mostly cloudy, with a low around 45. Calm wind.
Monday
A 10 percent chance of rain after 4pm. Mostly sunny, with a high near 60. Calm wind becoming west northwest around 5 mph in the afternoon.
Monday Night
A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 44. South southwest wind 6 to 8 mph.
Tuesday
A 20 percent chance of rain before 4pm. Partly sunny, with a high near 59. Southwest wind around 7 mph.
Tuesday Night
A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 48.
Wednesday
A 20 percent chance of rain before 10am. Partly sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Sunny, with a high near 64.
Thursday Night
Clear, with a low around 45.
Friday
Sunny, with a high near 65.
Friday Night
Clear, with a low around 42.
Saturday
Sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Happy Camp CA
 41.84°N 123.19°W (Elev. 1421 ft)
Last Update:
9:40 am PST Dec 7, 2025
Forecast Valid:
11am PST Dec 7, 2025-6pm PST Dec 13, 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