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 77%
Wind Speed SW 4 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 07 Dec 09:52 AM PST
Extended Forecast for

8 Miles NW Cave Junction OR

  • Today

    Today: Rain likely, mainly after 4pm.  Mostly cloudy, with a high near 45. Southwest wind 11 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%.

    High: 45 °F

    Rain Likely

  • Tonight

    Tonight: Rain likely, mainly before 10pm.  Mostly cloudy, with a low around 45. Southwest wind 8 to 10 mph.  Chance of precipitation is 70%.

    Low: 45 °F

    Rain Likely
    then Chance
    Rain

  • Monday

    Monday: A 40 percent chance of rain.  Partly sunny, with a high near 47. Southwest wind 9 to 17 mph, with gusts as high as 26 mph.

    High: 47 °F

    Chance Rain

  • Monday Night

    Monday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 47. Breezy, with a south southwest wind around 22 mph, with gusts as high as 33 mph.

    Low: 47 °F

    Chance Rain
    and Breezy

  • Tuesday

    Tuesday: Rain, mainly after 4pm.  High near 50. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 33 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Chance Rain
    and Breezy
    then Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 47. Breezy.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Breezy. Rain
    then Rain
    Likely

  • Wednesday

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

    High: 50 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain.  Mostly cloudy, with a low around 48.

    Low: 48 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

Today
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 45. Southwest wind 11 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Tonight
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 45. Southwest wind 8 to 10 mph. Chance of precipitation is 70%.
Monday
A 40 percent chance of rain. Partly sunny, with a high near 47. Southwest wind 9 to 17 mph, with gusts as high as 26 mph.
Monday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 47. Breezy, with a south southwest wind around 22 mph, with gusts as high as 33 mph.
Tuesday
Rain, mainly after 4pm. High near 50. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain. Low around 47. Breezy. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 50.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 52.
Friday Night
Clear, with a low around 42.
Saturday
Sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NW Cave Junction OR
 42.24°N 123.75°W (Elev. 4163 ft)
9:40 am PST Dec 7, 2025
10am PST Dec 7, 2025-6pm PST Dec 13, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database