Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

40°F

4°C

Humidity 97%
Wind Speed SSE 0 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 15 Nov 09:52 PM PST
Extended Forecast for

7 Miles W Illinois Valley OR

  • Tonight

    Tonight: A 10 percent chance of rain after 5am.  Increasing clouds, with a low around 42. Southeast wind around 5 mph becoming southwest after midnight.

    Low: 42 °F

    Mostly Clear
    then Slight
    Chance Rain

  • Sunday

    Sunday: Rain, mainly after noon.  High near 46. South southwest wind 8 to 11 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 46 °F

    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: Rain.  Snow level 6800 feet lowering to 5700 feet after midnight . Low around 39. South southwest wind 5 to 9 mph becoming north after midnight.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 39 °F

    Rain

  • Monday

    Monday: Rain, mainly before 10am.  Snow level 4800 feet. High near 42. North northeast wind 7 to 9 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Rain then
    Chance Rain

  • Monday Night

    Monday Night: A 30 percent chance of rain, mainly before 10pm.  Snow level 4600 feet. Partly cloudy, with a low around 34. Northeast wind 7 to 9 mph.

    Low: 34 °F

    Chance Rain

  • Tuesday

    Tuesday: A slight chance of rain and snow before 10am.  Snow level 4100 feet. Mostly sunny, with a high near 43. Chance of precipitation is 20%.

    High: 43 °F

    Slight Chance
    Rain/Snow
    then Sunny

  • Tuesday Night

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

    Low: 32 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of rain after 10am.  Snow level 4400 feet rising to 5500 feet in the afternoon. Mostly sunny, with a high near 46.

    High: 46 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain.  Snow level 5800 feet lowering to 5200 feet after midnight . Mostly cloudy, with a low around 39.

    Low: 39 °F

    Rain

Detailed Forecast

Tonight
A 10 percent chance of rain after 5am. Increasing clouds, with a low around 42. Southeast wind around 5 mph becoming southwest after midnight.
Sunday
Rain, mainly after noon. High near 46. South southwest wind 8 to 11 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain. Snow level 6800 feet lowering to 5700 feet after midnight . Low around 39. South southwest wind 5 to 9 mph becoming north after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Rain, mainly before 10am. Snow level 4800 feet. High near 42. North northeast wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 30 percent chance of rain, mainly before 10pm. Snow level 4600 feet. Partly cloudy, with a low around 34. Northeast wind 7 to 9 mph.
Tuesday
A slight chance of rain and snow before 10am. Snow level 4100 feet. Mostly sunny, with a high near 43. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 32.
Wednesday
A chance of rain after 10am. Snow level 4400 feet rising to 5500 feet in the afternoon. Mostly sunny, with a high near 46.
Wednesday Night
Rain. Snow level 5800 feet lowering to 5200 feet after midnight . Mostly cloudy, with a low around 39.
Thursday
Rain. Snow level 5000 feet. Mostly cloudy, with a high near 41.
Thursday Night
A chance of rain. Snow level 5400 feet. Mostly cloudy, with a low around 37.
Friday
A slight chance of rain. Snow level 6000 feet. Mostly sunny, with a high near 47.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 38.
Saturday
A chance of rain. Mostly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles W Illinois Valley OR
 42.09°N 123.83°W (Elev. 3278 ft)
9:40 pm PST Nov 15, 2025
10pm PST Nov 15, 2025-6pm PST Nov 22, 2025
 
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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