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

46°F

8°C

Humidity 72%
Wind Speed ESE 2 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 04 Dec 11:52 AM PST
Extended Forecast for

17 Miles SSE Agness OR

  • This Afternoon

    This Afternoon: A 20 percent chance of rain after 1pm.  Partly sunny, with a high near 53. Calm wind becoming north 5 to 7 mph.

    High: 53 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Rain likely, mainly after 3am.  Mostly cloudy, with a low around 48. Northwest wind 3 to 5 mph.  Chance of precipitation is 60%.

    Low: 48 °F

    Rain Likely

  • Friday

    Friday: Rain.  High near 49. West southwest wind 5 to 8 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Rain

  • Friday Night

    Friday Night: Rain.  Low around 46. Southwest wind 5 to 7 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Rain

  • Saturday

    Saturday: Rain likely.  Mostly cloudy, with a high near 47. West southwest wind 5 to 7 mph.  Chance of precipitation is 70%.

    High: 47 °F

    Rain Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely.  Mostly cloudy, with a high near 49. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain likely, mainly before 10pm.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Rain Likely

  • Monday

    Monday: A chance of rain.  Mostly cloudy, with a high near 52.

    High: 52 °F

    Chance Rain

Detailed Forecast

This Afternoon
A 20 percent chance of rain after 1pm. Partly sunny, with a high near 53. Calm wind becoming north 5 to 7 mph.
Tonight
Rain likely, mainly after 3am. Mostly cloudy, with a low around 48. Northwest wind 3 to 5 mph. Chance of precipitation is 60%.
Friday
Rain. High near 49. West southwest wind 5 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain. Low around 46. Southwest wind 5 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain likely. Mostly cloudy, with a high near 47. West southwest wind 5 to 7 mph. Chance of precipitation is 70%.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 45.
Sunday
Rain likely. Mostly cloudy, with a high near 49. 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 46.
Monday
A chance of rain. Mostly cloudy, with a high near 52.
Monday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 47.
Tuesday
Rain likely. Mostly cloudy, with a high near 51.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 49.
Wednesday
A chance of rain. Partly sunny, with a high near 52.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles SSE Agness OR
 42.32°N 123.96°W (Elev. 2408 ft)
9:41 am PST Dec 4, 2025
12pm 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