Tracking Areas of Winter Weather and Heavy Rainfall

A cold front will move through the Great Lakes and Northeast U.S. today, bringing areas of snow and snow squalls which can bring rapid reductions to visibility and slick roads. A storm system will shift from the northern Gulf Coast through the Southeast U.S. today through Friday with areas of heavy to excessive rainfall and light snow further north. Heavy snow is also expected in the Rockies. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

31°F

-1°C

Humidity 98%
Wind Speed NW 1 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 04 Dec 04:52 AM PST
Extended Forecast for

11 Miles SE Agness OR

  • Today

    Today: A 20 percent chance of rain after 1pm.  Partly sunny, with a high near 48. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 48 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Tonight

    Tonight: Rain likely, mainly after 3am.  Mostly cloudy, with a low around 46. Light west northwest wind.  Chance of precipitation is 60%.

    Low: 46 °F

    Rain Likely

  • Friday

    Friday: Rain.  High near 47. West southwest wind 6 to 11 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Rain

  • Friday Night

    Friday Night: Rain.  Snow level 7500 feet lowering to 5900 feet after midnight . Low around 44. West southwest wind 3 to 6 mph.  Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Rain

  • Saturday

    Saturday: Rain likely.  Snow level 5400 feet rising to 6000 feet in the afternoon. Mostly cloudy, with a high near 46. West southwest wind 6 to 8 mph.  Chance of precipitation is 70%.

    High: 46 °F

    Rain Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of rain.  Snow level 6600 feet. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely.  Mostly cloudy, with a high near 47. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain likely, mainly before 10pm.  Mostly cloudy, with a low around 45.

    Low: 45 °F

    Rain Likely

  • Monday

    Monday: A chance of rain.  Mostly cloudy, with a high near 49.

    High: 49 °F

    Chance Rain

Detailed Forecast

Today
A 20 percent chance of rain after 1pm. Partly sunny, with a high near 48. Calm wind becoming northwest around 6 mph in the afternoon.
Tonight
Rain likely, mainly after 3am. Mostly cloudy, with a low around 46. Light west northwest wind. Chance of precipitation is 60%.
Friday
Rain. High near 47. West southwest wind 6 to 11 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain. Snow level 7500 feet lowering to 5900 feet after midnight . Low around 44. West southwest wind 3 to 6 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain likely. Snow level 5400 feet rising to 6000 feet in the afternoon. Mostly cloudy, with a high near 46. West southwest wind 6 to 8 mph. Chance of precipitation is 70%.
Saturday Night
A 50 percent chance of rain. Snow level 6600 feet. Mostly cloudy, with a low around 43.
Sunday
Rain likely. Mostly cloudy, with a high near 47. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 45.
Monday
A chance of rain. Mostly cloudy, with a high near 49.
Monday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 47.
Tuesday
Rain likely. Mostly cloudy, with a high near 49.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 48.
Wednesday
A chance of rain. Mostly cloudy, with a high near 50.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SE Agness OR
 42.44°N 123.9°W (Elev. 3671 ft)
3:41 am PST Dec 4, 2025
5am PST Dec 4, 2025-6pm PST Dec 10, 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