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

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

43°F

6°C

Humidity 98%
Wind Speed NNE 0 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 06 Dec 06:52 AM PST
Extended Forecast for

4 Miles S Agness OR

  • Today

    Today: A 20 percent chance of rain. Partly sunny, with a high near 51. Calm wind.

    High: 51 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Rain likely, mainly after 4am. Mostly cloudy, with a low around 48. Calm wind becoming south southeast around 6 mph after midnight. Chance of precipitation is 60%.

    Low: 48 °F

    Chance Rain
    then Rain
    Likely

  • Sunday

    Sunday: Rain. High near 51. South wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 50. South wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Rain Likely
    then Slight
    Chance Rain

  • Monday

    Monday: A 30 percent chance of rain. Mostly cloudy, with a high near 52. South southwest wind 8 to 10 mph.

    High: 52 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain, mainly after 10pm. Low around 51. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 51 °F

    Rain

  • Tuesday

    Tuesday: Rain. High near 55. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 55 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 4am. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly after 10am. Mostly cloudy, with a high near 54.

    High: 54 °F

    Rain Likely

Detailed Forecast

Today
A 20 percent chance of rain. Partly sunny, with a high near 51. Calm wind.
Tonight
Rain likely, mainly after 4am. Mostly cloudy, with a low around 48. Calm wind becoming south southeast around 6 mph after midnight. Chance of precipitation is 60%.
Sunday
Rain. High near 51. South wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 50. South wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 30 percent chance of rain. Mostly cloudy, with a high near 52. South southwest wind 8 to 10 mph.
Monday Night
Rain, mainly after 10pm. Low around 51. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain. High near 55. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain, mainly before 4am. Mostly cloudy, with a low around 52.
Wednesday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 54.
Wednesday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 53.
Thursday
A chance of rain. Partly sunny, with a high near 59.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Agness OR
 42.48°N 124.06°W (Elev. 1929 ft)
Last Update:
3:40 am PST Dec 6, 2025
Forecast Valid:
7am PST Dec 6, 2025-6pm PST Dec 12, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation