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

Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

40°F

4°C

Humidity 98%
Wind Speed W 1 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 26 Dec 07:52 PM PST
Extended Forecast for

5 Miles NNW Cave Junction OR

  • Tonight

    Tonight: A 30 percent chance of showers, mainly between midnight and 5am. Patchy dense fog. Snow level 2500 feet. Otherwise, mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Chance
    Showers and
    Patchy Dense
    Fog

  • Saturday

    Saturday: A slight chance of showers before 8am, then a slight chance of showers after 1pm. Patchy dense fog before 10am. Snow level 2100 feet rising to 2600 feet in the afternoon. Otherwise, partly sunny, with a high near 40. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 40 °F

    Slight Chance
    Showers and
    Patchy Dense
    Fog

  • Saturday Night

    Saturday Night: Widespread fog, mainly between 1am and 2am. Widespread freezing fog after 4am. Otherwise, mostly cloudy, with a low around 27. Northeast wind around 6 mph.

    Low: 27 °F

    Freezing Fog
    and Fog

  • Sunday

    Sunday: Widespread freezing fog before 9am. Mostly sunny, with a high near 44. Northeast wind 5 to 7 mph.

    High: 44 °F

    Freezing Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30. Light east northeast wind.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly between midnight and 5am. Patchy dense fog. Snow level 2500 feet. Otherwise, mostly cloudy, with a low around 31. Calm wind.
Saturday
A slight chance of showers before 8am, then a slight chance of showers after 1pm. Patchy dense fog before 10am. Snow level 2100 feet rising to 2600 feet in the afternoon. Otherwise, partly sunny, with a high near 40. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
Widespread fog, mainly between 1am and 2am. Widespread freezing fog after 4am. Otherwise, mostly cloudy, with a low around 27. Northeast wind around 6 mph.
Sunday
Widespread freezing fog before 9am. Mostly sunny, with a high near 44. Northeast wind 5 to 7 mph.
Sunday Night
Partly cloudy, with a low around 30. Light east northeast wind.
Monday
Sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 32.
Tuesday
Mostly sunny, with a high near 52.
Tuesday Night
Mostly clear, with a low around 34.
Wednesday
Mostly sunny, with a high near 54.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 36.
New Year's Day
A chance of showers. Mostly cloudy, with a high near 49.
Thursday Night
Showers likely. Snow level 4200 feet. Mostly cloudy, with a low around 36.
Friday
Showers likely. Snow level 3600 feet. Mostly cloudy, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Cave Junction OR
 42.25°N 123.69°W (Elev. 1499 ft)
Last Update:
8:11 pm PST Dec 26, 2025
Forecast Valid:
8pm PST Dec 26, 2025-6pm PST Jan 2, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation