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

Lake Effect Snow in the Lower Great Lakes; Unsettled Pattern in the Pacific Northwest

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. Lake Effect Snow Warnings have been issued. In the Western U.S., rain and higher elevation snow will continue over the Great Basin through Friday. A front will move over the Pacific Northwest this afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

41°F

5°C

Humidity 98%
Wind Speed WNW 0 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 12 Feb 05:52 AM PST
Extended Forecast for

Illinois Valley OR

  • Today

    Today: Patchy fog between 7am and 11am. Otherwise, partly sunny, with a high near 56. Calm wind.

    High: 56 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Patchy dense fog after 1am. Otherwise, partly cloudy, with a low around 31. Light and variable wind.

    Low: 31 °F

    Partly Cloudy
    then Patchy
    Dense Fog

  • Friday

    Friday: A 10 percent chance of rain after 4pm. Patchy fog before 11am. Snow level 4100 feet rising to 4600 feet in the afternoon. Otherwise, partly sunny, with a high near 54. Southwest wind 5 to 7 mph.

    High: 54 °F

    Patchy Fog
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A 40 percent chance of rain, mainly after 10pm. Snow level 4300 feet. Mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Chance Rain

  • Saturday

    Saturday: Rain. High near 50. Light west southwest wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 33. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 33 °F

    Rain

  • Sunday

    Sunday: Rain. Snow level 4400 feet. High near 51. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly before 10pm. Snow level 4400 feet. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Rain Likely

  • Washington's Birthday

    Washington's Birthday: Rain, mainly after 10am. Snow level 3700 feet. Mostly cloudy, with a high near 47.

    High: 47 °F

    Rain

Detailed Forecast

Today
Patchy fog between 7am and 11am. Otherwise, partly sunny, with a high near 56. Calm wind.
Tonight
Patchy dense fog after 1am. Otherwise, partly cloudy, with a low around 31. Light and variable wind.
Friday
A 10 percent chance of rain after 4pm. Patchy fog before 11am. Snow level 4100 feet rising to 4600 feet in the afternoon. Otherwise, partly sunny, with a high near 54. Southwest wind 5 to 7 mph.
Friday Night
A 40 percent chance of rain, mainly after 10pm. Snow level 4300 feet. Mostly cloudy, with a low around 33. Calm wind.
Saturday
Rain. High near 50. Light west southwest wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain. Low around 33. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. Snow level 4400 feet. High near 51. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely, mainly before 10pm. Snow level 4400 feet. Mostly cloudy, with a low around 32.
Washington's Birthday
Rain, mainly after 10am. Snow level 3700 feet. Mostly cloudy, with a high near 47.
Monday Night
Rain before 1am, then rain, possibly mixed with snow. Snow level 3200 feet lowering to 2600 feet after midnight . Cloudy, with a low around 27.
Tuesday
Rain, possibly mixed with snow. Snow level 2400 feet. Cloudy, with a high near 45.
Tuesday Night
Rain, possibly mixed with snow. Snow level 2200 feet. Mostly cloudy, with a low around 28.
Wednesday
Rain, possibly mixed with snow. Snow level 2100 feet rising to 2900 feet in the afternoon. Cloudy, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Illinois Valley OR
 42.11°N 123.69°W (Elev. 1398 ft)
Last Update:
3:41 am PST Feb 12, 2026
Forecast Valid:
6am PST Feb 12, 2026-6pm PST Feb 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation