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

Tracking Atmospheric River for California; Record Temperatures Further East

An atmospheric river will bring gusty to high winds, moderate to heavy rainfall, and potential flooding to California today through Saturday. Heavy snow will be possible over the Sierra Nevada mountains into Friday associated with this atmospheric river. East of these impacts dozens of record high maximum and high minimum temperatures may be broken or tied today and Friday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

67°F

19°C

Humidity 48%
Wind Speed WSW 8 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 13 Nov 01:52 PM PST
Extended Forecast for

11 Miles ESE Illinois Valley OR

  • This Afternoon

    This Afternoon: A 40 percent chance of rain, mainly after 4pm. Snow level 7000 feet. Partly sunny, with a high near 50. South wind around 14 mph, with gusts as high as 23 mph.

    High: 50 °F

    Chance Rain

  • Tonight

    Tonight: A chance of rain before 2am, then a chance of rain and snow. Snow level 5700 feet. Partly cloudy, with a steady temperature around 41. South wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 41 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Friday

    Friday: A slight chance of rain and snow before 11am, then a slight chance of rain. Snow level 5400 feet rising to 6400 feet in the afternoon. Mostly sunny, with a steady temperature around 41. South southeast wind 5 to 9 mph becoming light and variable in the afternoon. Chance of precipitation is 20%.

    High: 41 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: Mostly clear, with a low around 39. Southwest wind 5 to 7 mph becoming south southeast after midnight.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 48. East southeast wind around 6 mph becoming calm in the morning.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain after 4am. Snow level 8000 feet. Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: Rain likely, mainly after 10am. Snow level 7200 feet lowering to 6600 feet in the afternoon . Mostly cloudy, with a high near 42. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain. Snow level 5800 feet lowering to 5200 feet after midnight . Cloudy, with a low around 32.

    Low: 32 °F

    Rain

  • Monday

    Monday: Snow likely, mainly before 4pm. Mostly cloudy, with a high near 36.

    High: 36 °F

    Snow Likely

Detailed Forecast

This Afternoon
A 40 percent chance of rain, mainly after 4pm. Snow level 7000 feet. Partly sunny, with a high near 50. South wind around 14 mph, with gusts as high as 23 mph.
Tonight
A chance of rain before 2am, then a chance of rain and snow. Snow level 5700 feet. Partly cloudy, with a steady temperature around 41. South wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
A slight chance of rain and snow before 11am, then a slight chance of rain. Snow level 5400 feet rising to 6400 feet in the afternoon. Mostly sunny, with a steady temperature around 41. South southeast wind 5 to 9 mph becoming light and variable in the afternoon. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 39. Southwest wind 5 to 7 mph becoming south southeast after midnight.
Saturday
Mostly sunny, with a high near 48. East southeast wind around 6 mph becoming calm in the morning.
Saturday Night
A 30 percent chance of rain after 4am. Snow level 8000 feet. Partly cloudy, with a low around 39.
Sunday
Rain likely, mainly after 10am. Snow level 7200 feet lowering to 6600 feet in the afternoon . Mostly cloudy, with a high near 42. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain. Snow level 5800 feet lowering to 5200 feet after midnight . Cloudy, with a low around 32.
Monday
Snow likely, mainly before 4pm. Mostly cloudy, with a high near 36.
Monday Night
A chance of snow before 10pm. Mostly cloudy, with a low around 30.
Tuesday
A slight chance of snow. Mostly sunny, with a high near 35.
Tuesday Night
A chance of snow. Partly cloudy, with a low around 30.
Wednesday
Snow. Partly sunny, with a high near 38.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles ESE Illinois Valley OR
 42.03°N 123.48°W (Elev. 5197 ft)
Last Update:
2:21 pm PST Nov 13, 2025
Forecast Valid:
2pm PST Nov 13, 2025-6pm PST Nov 19, 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