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

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

42°F

6°C

Humidity 96%
Wind Speed SW 1 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 15 Nov 07:52 PM PST
Extended Forecast for

9 Miles WNW Cave Junction OR

  • Tonight

    Tonight: A 10 percent chance of rain after 5am. Increasing clouds, with a low around 43. East wind around 6 mph becoming south southwest after midnight.

    Low: 43 °F

    Mostly Clear
    then Slight
    Chance Rain

  • Sunday

    Sunday: Rain, mainly after noon. High near 44. South southwest wind 8 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 44 °F

    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: Rain. Snow level 6700 feet lowering to 5600 feet after midnight . Low around 38. South southwest wind 5 to 9 mph becoming north northwest after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 38 °F

    Rain

  • Monday

    Monday: Rain, mainly before 4pm. Snow level 4800 feet. High near 40. North wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 40 °F

    Rain

  • Monday Night

    Monday Night: A chance of rain before 1am, then a slight chance of rain and snow. Snow level 4500 feet. Partly cloudy, with a low around 36. Northeast wind 7 to 9 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 36 °F

    Chance Rain
    then Slight
    Chance
    Rain/Snow

  • Tuesday

    Tuesday: A slight chance of rain and snow before 1pm, then a slight chance of rain. Snow level 4100 feet. Mostly sunny, with a high near 42. Chance of precipitation is 20%.

    High: 42 °F

    Slight Chance
    Rain/Snow

  • Tuesday Night

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

    Low: 34 °F

    Mostly Clear

  • Wednesday

    Wednesday: Rain likely, mainly after 4pm. Snow level 4300 feet rising to 5500 feet in the afternoon. Partly sunny, with a high near 45.

    High: 45 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain. Snow level 5800 feet lowering to 5100 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 43. East wind around 6 mph becoming south southwest after midnight.
Sunday
Rain, mainly after noon. High near 44. South southwest wind 8 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain. Snow level 6700 feet lowering to 5600 feet after midnight . Low around 38. South southwest wind 5 to 9 mph becoming north northwest after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Rain, mainly before 4pm. Snow level 4800 feet. High near 40. North wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A chance of rain before 1am, then a slight chance of rain and snow. Snow level 4500 feet. Partly cloudy, with a low around 36. Northeast wind 7 to 9 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday
A slight chance of rain and snow before 1pm, then a slight chance of rain. Snow level 4100 feet. Mostly sunny, with a high near 42. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 34.
Wednesday
Rain likely, mainly after 4pm. Snow level 4300 feet rising to 5500 feet in the afternoon. Partly sunny, with a high near 45.
Wednesday Night
Rain. Snow level 5800 feet lowering to 5100 feet after midnight . Mostly cloudy, with a low around 39.
Thursday
Rain. Snow level 4900 feet. Mostly cloudy, with a high near 40.
Thursday Night
A chance of rain. Snow level 5400 feet. Mostly cloudy, with a low around 38.
Friday
A chance of rain. Snow level 5900 feet. Mostly sunny, with a high near 45.
Friday Night
A slight chance of rain. Snow level 6400 feet. Partly cloudy, with a low around 39.
Saturday
A chance of rain. Snow level 6800 feet. Partly sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WNW Cave Junction OR
 42.2°N 123.83°W (Elev. 3730 ft)
Last Update:
6:36 pm PST Nov 15, 2025
Forecast Valid:
8pm PST Nov 15, 2025-6pm PST Nov 22, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation