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

44°F

7°C

Humidity 98%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 08 Dec 02:52 AM PST
Extended Forecast for

11 Miles NW Cave Junction OR

  • Overnight

    Overnight: A 30 percent chance of rain. Mostly cloudy, with a steady temperature around 46. Southwest wind around 13 mph, with gusts as high as 20 mph.

    Low: 46 °F

    Chance Rain

  • Monday

    Monday: A 40 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 47. West southwest wind 8 to 14 mph, with gusts as high as 21 mph.

    High: 47 °F

    Chance Rain

  • Monday Night

    Monday Night: A 30 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 44. Breezy, with a south southwest wind 17 to 24 mph, with gusts as high as 37 mph.

    Low: 44 °F

    Chance Rain
    and Breezy

  • Tuesday

    Tuesday: Rain likely, mainly after 10am. Mostly cloudy, with a high near 50. Breezy, with a southwest wind 16 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 60%.

    High: 50 °F

    Rain Likely
    and Breezy

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 47. Southwest wind 15 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

    Low: 47 °F

    Rain Likely

  • Wednesday

    Wednesday: A 50 percent chance of rain, mainly before 4pm. Partly sunny, with a high near 50.

    High: 50 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of rain. Mostly cloudy, with a steady temperature around 46. Southwest wind around 13 mph, with gusts as high as 20 mph.
Monday
A 40 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 47. West southwest wind 8 to 14 mph, with gusts as high as 21 mph.
Monday Night
A 30 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 44. Breezy, with a south southwest wind 17 to 24 mph, with gusts as high as 37 mph.
Tuesday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 50. Breezy, with a southwest wind 16 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 60%.
Tuesday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 47. Southwest wind 15 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of rain, mainly before 4pm. Partly sunny, with a high near 50.
Wednesday Night
A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 44.
Thursday
Sunny, with a high near 52.
Thursday Night
Mostly clear, with a low around 42.
Friday
Sunny, with a high near 54.
Friday Night
Mostly clear, with a low around 42.
Saturday
A slight chance of rain. Mostly sunny, with a high near 52.
Saturday Night
A chance of rain. Snow level 6900 feet. Mostly cloudy, with a low around 42.
Sunday
A chance of rain. Snow level 6300 feet. Partly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NW Cave Junction OR
 42.27°N 123.82°W (Elev. 4019 ft)
Last Update:
2:21 am PST Dec 8, 2025
Forecast Valid:
3am PST Dec 8, 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