Lake Effect Snow in the Lower Great Lakes; Rain and High Elevation Snow in the West

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. 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 Thursday 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

51°F

11°C

Humidity 76%
Wind Speed SW 4 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 11 Feb 06:52 PM PST
Extended Forecast for

9 Miles WNW Illinois Valley OR

  • Tonight

    Tonight: Partly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 49. West southwest wind 3 to 5 mph.

    High: 49 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 36. North northwest wind around 5 mph becoming northeast after midnight.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of rain after 10am.  Snow level 4300 feet. Partly sunny, with a high near 47. East southeast wind 5 to 7 mph becoming west in the afternoon.

    High: 47 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: A 50 percent chance of rain.  Snow level 4400 feet. Mostly cloudy, with a low around 38. South southwest wind around 6 mph.

    Low: 38 °F

    Chance Rain

  • Saturday

    Saturday: Rain likely, possibly mixed with snow, becoming all rain after 1pm.  Snow level 4400 feet. Cloudy, with a high near 43. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 43 °F

    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: Rain before 1am, then rain, possibly mixed with snow.  Snow level 4600 feet. Low around 37. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain then
    Rain/Snow

  • Sunday

    Sunday: Rain, possibly mixed with snow, becoming all rain after 4pm.  Snow level 4300 feet. Mostly cloudy, with a high near 43.

    High: 43 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Rain likely before 7pm, then rain and snow likely.  Snow level 4200 feet. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Rain/Snow
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 38. Calm wind.
Thursday
Mostly sunny, with a high near 49. West southwest wind 3 to 5 mph.
Thursday Night
Partly cloudy, with a low around 36. North northwest wind around 5 mph becoming northeast after midnight.
Friday
A 20 percent chance of rain after 10am. Snow level 4300 feet. Partly sunny, with a high near 47. East southeast wind 5 to 7 mph becoming west in the afternoon.
Friday Night
A 50 percent chance of rain. Snow level 4400 feet. Mostly cloudy, with a low around 38. South southwest wind around 6 mph.
Saturday
Rain likely, possibly mixed with snow, becoming all rain after 1pm. Snow level 4400 feet. Cloudy, with a high near 43. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday Night
Rain before 1am, then rain, possibly mixed with snow. Snow level 4600 feet. Low around 37. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday
Rain, possibly mixed with snow, becoming all rain after 4pm. Snow level 4300 feet. Mostly cloudy, with a high near 43.
Sunday Night
Rain likely before 7pm, then rain and snow likely. Snow level 4200 feet. Mostly cloudy, with a low around 35.
Washington's Birthday
Rain and snow. Snow level 3400 feet. Mostly cloudy, with a high near 39.
Monday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 32.
Tuesday
Snow. Cloudy, with a high near 37.
Tuesday Night
Snow. The snow could be heavy at times. Mostly cloudy, with a low around 32.
Wednesday
Snow. The snow could be heavy at times. Cloudy, with a high near 39.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WNW Illinois Valley OR
 42.15°N 123.85°W (Elev. 3356 ft)
4:22 pm PST Feb 11, 2026
7pm PST Feb 11, 2026-6pm PST Feb 18, 2026
 
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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