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

54°F

12°C

Humidity 83%
Wind Speed SSW 4 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 07 Dec 01:52 PM PST
Extended Forecast for

17 Miles ESE Cave Junction OR

  • This Afternoon

    This Afternoon: A 50 percent chance of rain. Mostly cloudy, with a high near 43. West southwest wind around 7 mph.

    High: 43 °F

    Chance Rain

  • Tonight

    Tonight: A 50 percent chance of rain, mainly after 11pm. Snow level 7500 feet. Mostly cloudy, with a low around 39. Southwest wind around 8 mph.

    Low: 39 °F

    Chance Rain

  • Monday

    Monday: A 30 percent chance of rain, mainly before 10am. Partly sunny, with a high near 48. Southwest wind 6 to 8 mph.

    High: 48 °F

    Chance Rain

  • Monday Night

    Monday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 38. Southwest wind around 14 mph, with gusts as high as 21 mph.

    Low: 38 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A 50 percent chance of rain. Mostly cloudy, with a high near 49. Southwest wind 11 to 16 mph, with gusts as high as 24 mph.

    High: 49 °F

    Chance Rain

  • Tuesday Night

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

    Low: 43 °F

    Chance Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 52.

    High: 52 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain before 10pm. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of rain. Mostly cloudy, with a high near 43. West southwest wind around 7 mph.
Tonight
A 50 percent chance of rain, mainly after 11pm. Snow level 7500 feet. Mostly cloudy, with a low around 39. Southwest wind around 8 mph.
Monday
A 30 percent chance of rain, mainly before 10am. Partly sunny, with a high near 48. Southwest wind 6 to 8 mph.
Monday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 38. Southwest wind around 14 mph, with gusts as high as 21 mph.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 49. Southwest wind 11 to 16 mph, with gusts as high as 24 mph.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 43.
Wednesday
A 40 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 52.
Wednesday Night
A slight chance of rain before 10pm. Mostly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 53.
Thursday Night
Mostly clear, with a low around 39.
Friday
Sunny, with a high near 54.
Friday Night
Mostly clear, with a low around 39.
Saturday
Sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
17 Miles ESE Cave Junction OR
 42.05°N 123.37°W (Elev. 4573 ft)
Last Update:
2:11 pm PST Dec 7, 2025
Forecast Valid:
2pm 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