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

Tracking Winter Weather and Frigid Temperatures Through This Weekend

A clipper storm will move across the Great Lakes through this weekend with periods of light snow, gusty winds, and lake effect snow bands which could make for hazardous travel at times. A frigid airmass will spread eastward behind this storm into the Midwest and Eastern U.S. through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

40°F

4°C

Humidity 91%
Wind Speed NE 1 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 17 Jan 11:52 AM PST
Extended Forecast for

4 Miles SE Cave Junction OR

Air Stagnation Advisory January 17, 12:46pm until January 20, 10:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 17, 12:46pm until January 20, 10:00am

    NOW until 10:00am Tue

    Air Stagnation Advisory

  • This Afternoon

    High: 49 °F

    Sunny

  • Tonight

    Tonight: Patchy freezing fog. Partly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Patchy
    Freezing Fog

  • Sunday

    Sunday: Patchy dense fog between 10am and 1pm. Patchy freezing fog before 10am. Otherwise, mostly sunny, with a high near 48. Calm wind.

    High: 48 °F

    Patchy
    Freezing Fog
    and Patchy
    Dense Fog

  • Sunday Night

    Sunday Night: Patchy freezing fog. Mostly clear, with a low around 28. Calm wind.

    Low: 28 °F

    Patchy
    Freezing Fog

  • M.L.King Day

    M.L.King Day: Patchy fog between 10am and 1pm. Patchy freezing fog before 10am. Otherwise, sunny, with a high near 52. Calm wind.

    High: 52 °F

    Patchy
    Freezing Fog
    and Patchy
    Fog

  • Monday Night

    Monday Night: Patchy freezing fog. Clear, with a low around 28.

    Low: 28 °F

    Patchy
    Freezing Fog

  • Tuesday

    Tuesday: Patchy fog between 10am and 1pm. Patchy freezing fog before 10am. Otherwise, sunny, with a high near 44.

    High: 44 °F

    Patchy
    Freezing Fog
    and Patchy
    Fog

  • Tuesday Night

    Tuesday Night: Patchy fog after 7pm. Otherwise, mostly clear, with a low around 30.

    Low: 30 °F

    Patchy Fog

Detailed Forecast

This Afternoon
Sunny, with a high near 49. Calm wind.
Tonight
Patchy freezing fog. Partly cloudy, with a low around 29. Calm wind.
Sunday
Patchy dense fog between 10am and 1pm. Patchy freezing fog before 10am. Otherwise, mostly sunny, with a high near 48. Calm wind.
Sunday Night
Patchy freezing fog. Mostly clear, with a low around 28. Calm wind.
M.L.King Day
Patchy fog between 10am and 1pm. Patchy freezing fog before 10am. Otherwise, sunny, with a high near 52. Calm wind.
Monday Night
Patchy freezing fog. Clear, with a low around 28.
Tuesday
Patchy fog between 10am and 1pm. Patchy freezing fog before 10am. Otherwise, sunny, with a high near 44.
Tuesday Night
Patchy fog after 7pm. Otherwise, mostly clear, with a low around 30.
Wednesday
Patchy fog before 1pm. Otherwise, mostly sunny, with a high near 45.
Wednesday Night
Patchy fog after 7pm. Otherwise, partly cloudy, with a low around 34.
Thursday
Patchy fog. Otherwise, mostly sunny, with a high near 49.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Mostly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Cave Junction OR
 42.13°N 123.57°W (Elev. 1585 ft)
Last Update:
12:41 pm PST Jan 17, 2026
Forecast Valid:
12pm PST Jan 17, 2026-6pm PST Jan 23, 2026
 
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