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

Tracking Atmospheric River for the West Coast; Space Weather Storming Continues

An atmospheric river will bring threats of gusty to high winds and heavy rainfall to California mainly Thursday into Saturday which may bring areas of flooding and wind damage. Heavy snow will be possible over the Sierra Nevada mountains Thursday into Friday associated with the atmospheric river. Minor to severe geomagnetic storming (space weather) is expected to continue into early Thursday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

56°F

13°C

Humidity 88%
Wind Speed SE 1 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 12 Nov 04:52 PM PST
Extended Forecast for

8 Miles WNW Illinois Valley OR

  • This Afternoon

    This Afternoon: A 20 percent chance of rain. Partly sunny, with a steady temperature around 53. West southwest wind around 7 mph.

    High: 53 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Rain, mainly after 1am. Steady temperature around 53. South southeast wind 10 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 53 °F

    Chance Rain
    then Rain

  • Thursday

    Thursday: Rain. Temperature falling to around 46 by 5pm. South southwest wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 51 °F⇓

    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 43. South wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Rain

  • Friday

    Friday: A 50 percent chance of rain, mainly before 4pm. Partly sunny, with a high near 48. Southwest wind around 10 mph.

    High: 48 °F

    Chance Rain

  • Friday Night

    Friday Night: A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain after 4am. Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: Rain, mainly after 4pm. Mostly cloudy, with a high near 47.

    High: 47 °F

    Rain

Detailed Forecast

This Afternoon
A 20 percent chance of rain. Partly sunny, with a steady temperature around 53. West southwest wind around 7 mph.
Tonight
Rain, mainly after 1am. Steady temperature around 53. South southeast wind 10 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. Temperature falling to around 46 by 5pm. South southwest wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
Rain. Low around 43. South wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 50 percent chance of rain, mainly before 4pm. Partly sunny, with a high near 48. Southwest wind around 10 mph.
Friday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 53.
Saturday Night
A slight chance of rain after 4am. Partly cloudy, with a low around 42.
Sunday
Rain, mainly after 4pm. Mostly cloudy, with a high near 47.
Sunday Night
Rain. Snow level 5700 feet lowering to 4800 feet after midnight . Mostly cloudy, with a low around 37.
Monday
Rain likely. Snow level 4600 feet. Mostly cloudy, with a high near 42.
Monday Night
A chance of rain. Snow level 4700 feet. Mostly cloudy, with a low around 33.
Tuesday
A slight chance of rain and snow. Snow level 3700 feet. Mostly sunny, with a high near 42.
Tuesday Night
A chance of rain. Snow level 3900 feet. Mostly cloudy, with a low around 40.
Wednesday
A chance of rain. Snow level 4600 feet rising to 6700 feet in the afternoon. Partly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WNW Illinois Valley OR
 42.14°N 123.81°W (Elev. 3209 ft)
Last Update:
3:40 pm PST Nov 12, 2025
Forecast Valid:
5pm PST Nov 12, 2025-6pm PST Nov 19, 2025
 
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Additional Resources

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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