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

Late January Extreme Cold; Watching for Another East Coast Storm Threat This Weekend

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

29°F

-2°C

Humidity 97%
Wind Speed SE 1 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 27 Jan 08:52 AM PST
Extended Forecast for

12 Miles ESE Cave Junction OR

  • Today

    Today: Rain and snow likely before 4pm, then rain between 4pm and 5pm, then rain, possibly mixed with snow after 5pm. Snow level rising to 5600 feet in the afternoon. High near 46. South wind 17 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 46 °F

    Mostly Cloudy
    then
    Rain/Snow

  • Tonight

    Tonight: A chance of rain and snow before 1am, then a chance of snow after 4am. Cloudy, then gradually becoming partly cloudy, with a low around 35. South wind around 17 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 35 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Wednesday

    Wednesday: A chance of snow before 10am, then a slight chance of rain and snow between 10am and 1pm, then a slight chance of rain after 1pm. Snow level rising to 5200 feet in the afternoon. Mostly cloudy, with a high near 44. Southwest wind 11 to 14 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 44 °F

    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Snow level 5400 feet. Mostly cloudy, with a low around 42. South wind 11 to 14 mph.

    Low: 42 °F

    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before 10am. Snow level 5600 feet rising to 6400 feet in the afternoon. Mostly cloudy, with a high near 50. South southwest wind 9 to 13 mph.

    High: 50 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 10pm. Snow level 6500 feet. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of rain after 10am. Snow level 5900 feet. Partly sunny, with a high near 53.

    High: 53 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

Detailed Forecast

Today
Rain and snow likely before 4pm, then rain between 4pm and 5pm, then rain, possibly mixed with snow after 5pm. Snow level rising to 5600 feet in the afternoon. High near 46. South wind 17 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tonight
A chance of rain and snow before 1am, then a chance of snow after 4am. Cloudy, then gradually becoming partly cloudy, with a low around 35. South wind around 17 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday
A chance of snow before 10am, then a slight chance of rain and snow between 10am and 1pm, then a slight chance of rain after 1pm. Snow level rising to 5200 feet in the afternoon. Mostly cloudy, with a high near 44. Southwest wind 11 to 14 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday Night
A 40 percent chance of rain. Snow level 5400 feet. Mostly cloudy, with a low around 42. South wind 11 to 14 mph.
Thursday
A 30 percent chance of rain, mainly before 10am. Snow level 5600 feet rising to 6400 feet in the afternoon. Mostly cloudy, with a high near 50. South southwest wind 9 to 13 mph.
Thursday Night
A 20 percent chance of rain before 10pm. Snow level 6500 feet. Mostly cloudy, with a low around 45.
Friday
A 20 percent chance of rain after 10am. Snow level 5900 feet. Partly sunny, with a high near 53.
Friday Night
Mostly cloudy, with a low around 44.
Saturday
Partly sunny, with a high near 55.
Saturday Night
A slight chance of rain after 10pm. Snow level 6400 feet. Mostly cloudy, with a low around 45.
Sunday
A chance of rain. Snow level 5800 feet. Partly sunny, with a high near 50.
Sunday Night
A chance of rain and snow. Snow level 5600 feet. Mostly cloudy, with a low around 42.
Monday
A slight chance of rain and snow. Snow level 5200 feet rising to 5900 feet in the afternoon. Mostly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles ESE Cave Junction OR
 42.09°N 123.44°W (Elev. 4610 ft)
Last Update:
7:37 am PST Jan 27, 2026
Forecast Valid:
9am PST Jan 27, 2026-6pm PST Feb 2, 2026
 
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Additional Resources

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National Digital Forecast Database

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation