Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

54°F

12°C

Humidity 81%
Wind Speed SSW 7 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 07 Dec 12:52 PM PST
Extended Forecast for

17 Miles SSE Agness OR

  • This Afternoon

    This Afternoon: Rain.  High near 48. South southwest wind around 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Rain

  • Tonight

    Tonight: Rain, mainly before 1am.  Low around 48. South southwest wind 9 to 11 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Rain

  • Monday

    Monday: Rain likely, mainly before 10am.  Mostly cloudy, with a high near 50. South southwest wind 9 to 16 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%.

    High: 50 °F

    Rain Likely

  • Monday Night

    Monday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 49. South southwest wind around 17 mph, with gusts as high as 26 mph.

    Low: 49 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain.  High near 52. South southwest wind around 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 50. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 50 °F

    Rain

  • Wednesday

    Wednesday: Rain likely.  Mostly cloudy, with a high near 53. Chance of precipitation is 60%.

    High: 53 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A chance of rain.  Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance Rain

  • Thursday

    Thursday: A slight chance of rain.  Mostly sunny, with a high near 56.

    High: 56 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
Rain. High near 48. South southwest wind around 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly before 1am. Low around 48. South southwest wind 9 to 11 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 50. South southwest wind 9 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 49. South southwest wind around 17 mph, with gusts as high as 26 mph.
Tuesday
Rain. High near 52. South southwest wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain. Low around 50. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain likely. Mostly cloudy, with a high near 53. Chance of precipitation is 60%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 50.
Thursday
A slight chance of rain. Mostly sunny, with a high near 56.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 57.
Friday Night
Mostly clear, with a low around 44.
Saturday
A slight chance of rain. Sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles SSE Agness OR
 42.32°N 123.96°W (Elev. 2408 ft)
12:41 pm PST Dec 7, 2025
1pm PST Dec 7, 2025-6pm PST Dec 13, 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