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

45°F

7°C

Humidity 98%
Wind Speed SSW 0 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 08 Dec 12:52 AM PST
Extended Forecast for

14 Miles ESE Cave Junction OR

  • Overnight

    Overnight: A 20 percent chance of rain.  Snow level 7600 feet. Mostly cloudy, with a low around 40. South southwest wind around 8 mph.

    Low: 40 °F

    Slight Chance
    Rain

  • Monday

    Monday: A 20 percent chance of rain after 11am.  Snow level 7900 feet rising to 8900 feet in the afternoon. Partly sunny, with a high near 46. Southwest wind 7 to 9 mph.

    High: 46 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: A 10 percent chance of rain after 4am.  Snow level 8500 feet lowering to 7500 feet after midnight . Mostly cloudy, with a low around 39. Southwest wind 13 to 20 mph, with gusts as high as 30 mph.

    Low: 39 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after 10am.  Partly sunny, with a high near 47. West southwest wind 13 to 20 mph, with gusts as high as 30 mph.

    High: 47 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain, mainly before 10pm.  Mostly cloudy, with a low around 43. Southwest wind around 14 mph, with gusts as high as 21 mph.

    Low: 43 °F

    Chance Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly after 10am.  Snow level 8100 feet. Partly sunny, with a high near 50.

    High: 50 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Thursday Night

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

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of rain. Snow level 7600 feet. Mostly cloudy, with a low around 40. South southwest wind around 8 mph.
Monday
A 20 percent chance of rain after 11am. Snow level 7900 feet rising to 8900 feet in the afternoon. Partly sunny, with a high near 46. Southwest wind 7 to 9 mph.
Monday Night
A 10 percent chance of rain after 4am. Snow level 8500 feet lowering to 7500 feet after midnight . Mostly cloudy, with a low around 39. Southwest wind 13 to 20 mph, with gusts as high as 30 mph.
Tuesday
A 30 percent chance of rain, mainly after 10am. Partly sunny, with a high near 47. West southwest wind 13 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
A 40 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 43. Southwest wind around 14 mph, with gusts as high as 21 mph.
Wednesday
A 30 percent chance of rain, mainly after 10am. Snow level 8100 feet. Partly sunny, with a high near 50.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Sunny, with a high near 50.
Thursday Night
Mostly clear, with a low around 39.
Friday
Sunny, with a high near 51.
Friday Night
Mostly clear, with a low around 39.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
A chance of rain. Snow level 7000 feet. Mostly cloudy, with a low around 39.
Sunday
A chance of rain. Snow level 6400 feet. Partly sunny, with a high near 44.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles ESE Cave Junction OR
 42.09°N 123.38°W (Elev. 5157 ft)
11:06 pm PST Dec 7, 2025
1am PST Dec 8, 2025-6pm PST Dec 14, 2025
 
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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