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

Arctic Air for the Northeast and Mid-Atlantic; Increase Rainfall for Pacific Northwest

An arctic cold front will quickly track across the Great Lakes, Northeast and mid-Atlantic. Snow showers and squalls will accompany this system with increasing winds and falling temperatures. Damaging wind gusts may result in tree damage and power outages. Meanwhile, moisture returns for the Pacific Northwest this weekend with both coverage and intensity of rainfall and higher elevation snows. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10386°NLon: 123.68519°WElev: 1389.0ft.

NA

31°F

-1°C

Humidity 99%
Wind Speed WSW 0 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 06 Feb 06:52 AM PST
Extended Forecast for

Illinois Valley OR

  • Today

    Today: Areas of fog before 11am. Otherwise, sunny, with a high near 63. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 63 °F

    Areas Fog
    then Sunny

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 37. Light south southwest wind.

    Low: 37 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: A 30 percent chance of rain after 10am. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 57. Light south southwest wind increasing to 5 to 9 mph in the morning.

    High: 57 °F

    Chance Rain
    and Patchy
    Fog

  • Saturday Night

    Saturday Night: Rain likely, mainly after 10pm. Patchy fog after 10pm. Otherwise, cloudy, with a low around 42. Light south wind. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Rain Likely
    and Patchy
    Fog

  • Sunday

    Sunday: Rain. High near 51. South wind 5 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 51 °F

    Rain

  • Sunday Night

    Sunday Night: Rain, mainly before 10pm. Patchy fog after 10pm. Snow level 5200 feet lowering to 4300 feet after midnight . Low around 32. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 32 °F

    Rain and
    Patchy Fog
    then Chance
    Rain and
    Patchy Fog

  • Monday

    Monday: A 30 percent chance of rain, mainly before 10am. Patchy fog before 11am. Snow level 4000 feet. Otherwise, partly sunny, with a high near 52.

    High: 52 °F

    Chance Rain
    and Patchy
    Fog

  • Monday Night

    Monday Night: A slight chance of rain. Patchy fog before 10pm, then patchy fog after 1am. Snow level 3900 feet. Otherwise, mostly cloudy, with a low around 30.

    Low: 30 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Tuesday

    Tuesday: A chance of rain. Patchy fog before 11am. Snow level 3200 feet rising to 3900 feet in the afternoon. Otherwise, partly sunny, with a high near 49.

    High: 49 °F

    Chance Rain
    and Patchy
    Fog

Detailed Forecast

Today
Areas of fog before 11am. Otherwise, sunny, with a high near 63. Calm wind becoming south southwest around 6 mph in the afternoon.
Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 37. Light south southwest wind.
Saturday
A 30 percent chance of rain after 10am. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 57. Light south southwest wind increasing to 5 to 9 mph in the morning.
Saturday Night
Rain likely, mainly after 10pm. Patchy fog after 10pm. Otherwise, cloudy, with a low around 42. Light south wind. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. High near 51. South wind 5 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain, mainly before 10pm. Patchy fog after 10pm. Snow level 5200 feet lowering to 4300 feet after midnight . Low around 32. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A 30 percent chance of rain, mainly before 10am. Patchy fog before 11am. Snow level 4000 feet. Otherwise, partly sunny, with a high near 52.
Monday Night
A slight chance of rain. Patchy fog before 10pm, then patchy fog after 1am. Snow level 3900 feet. Otherwise, mostly cloudy, with a low around 30.
Tuesday
A chance of rain. Patchy fog before 11am. Snow level 3200 feet rising to 3900 feet in the afternoon. Otherwise, partly sunny, with a high near 49.
Tuesday Night
A chance of rain, mainly before 10pm. Patchy fog. Snow level 3800 feet. Otherwise, partly cloudy, with a low around 29.
Wednesday
A slight chance of rain. Patchy fog. Snow level 3300 feet rising to 4300 feet in the afternoon. Otherwise, mostly sunny, with a high near 51.
Wednesday Night
A slight chance of rain. Patchy fog. Snow level 4200 feet. Otherwise, partly cloudy, with a low around 30.
Thursday
A slight chance of rain. Patchy fog. Snow level 3800 feet rising to 4600 feet in the afternoon. Otherwise, partly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
Illinois Valley OR
 42.09°N 123.68°W (Elev. 1394 ft)
Last Update:
3:41 am PST Feb 6, 2026
Forecast Valid:
7am PST Feb 6, 2026-6pm PST Feb 12, 2026
 
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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