National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10375°NLon: 123.68508°WElev: 1389.0ft.

NA

47°F

8°C

Humidity 98%
Wind Speed WNW 0 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 08 Dec 09:52 AM PST
Extended Forecast for

7 Miles NNE Cave Junction OR

  • Today

    Today: A 30 percent chance of rain, mainly between noon and 4pm. Partly sunny, with a high near 58. South southwest wind 3 to 8 mph.

    High: 58 °F

    Mostly Sunny
    then Chance
    Rain

  • Tonight

    Tonight: A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 42. South southwest wind around 10 mph.

    Low: 42 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: A 50 percent chance of rain, mainly after 10am. Partly sunny, with a high near 58. South southwest wind 7 to 9 mph.

    High: 58 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 45. South southwest wind 3 to 5 mph.

    Low: 45 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday

    Wednesday: A 30 percent chance of rain. Patchy fog before 10am. Otherwise, partly sunny, with a high near 61. Southwest wind 3 to 5 mph.

    High: 61 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: Patchy fog. Otherwise, partly cloudy, with a low around 41.

    Low: 41 °F

    Patchy Fog

  • Thursday

    Thursday: Areas of fog before noon. Otherwise, mostly sunny, with a high near 60.

    High: 60 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly clear, with a low around 39.

    Low: 39 °F

    Patchy Fog

  • Friday

    Friday: Areas of fog before 11am. Otherwise, sunny, with a high near 60.

    High: 60 °F

    Areas Fog
    then Sunny

Detailed Forecast

Today
A 30 percent chance of rain, mainly between noon and 4pm. Partly sunny, with a high near 58. South southwest wind 3 to 8 mph.
Tonight
A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 42. South southwest wind around 10 mph.
Tuesday
A 50 percent chance of rain, mainly after 10am. Partly sunny, with a high near 58. South southwest wind 7 to 9 mph.
Tuesday Night
A 50 percent chance of rain. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 45. South southwest wind 3 to 5 mph.
Wednesday
A 30 percent chance of rain. Patchy fog before 10am. Otherwise, partly sunny, with a high near 61. Southwest wind 3 to 5 mph.
Wednesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 41.
Thursday
Areas of fog before noon. Otherwise, mostly sunny, with a high near 60.
Thursday Night
Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly clear, with a low around 39.
Friday
Areas of fog before 11am. Otherwise, sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 38.
Saturday
A slight chance of rain. Mostly sunny, with a high near 60.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 39.
Sunday
A chance of rain. Partly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NNE Cave Junction OR
 42.26°N 123.58°W (Elev. 1401 ft)
Last Update:
9:41 am PST Dec 8, 2025
Forecast Valid:
10am PST Dec 8, 2025-6pm PST Dec 14, 2025
 
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Additional Resources

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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