Dangerous Cold and Gusty Winds Anticipated This Weekend

A significant arctic outbreak will bring frigid temperatures and dangerously cold wind chills to the Northeast and Mid-Atlantic this weekend. Strong winds which could produce tree damage and power outages, and periods of snow squalls are also possible. Relief from this cold and a warming trend is forecast to commence by the beginning to middle of next week. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10386°NLon: 123.68519°WElev: 1389.0ft.

NA

43°F

6°C

Humidity 91%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 05 Feb 06:52 PM PST
Extended Forecast for

14 Miles SE Agness OR

  • Tonight

    Tonight: Mostly clear, with a low around 47. Light and variable wind.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45. Light and variable wind.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of rain after 10am.  Partly sunny, with a high near 56. South southwest wind 3 to 6 mph.

    High: 56 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly after 10pm.  Mostly cloudy, with a low around 50. South wind around 7 mph.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Rain Likely

  • Sunday

    Sunday: Rain.  High near 51. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    High: 51 °F

    Rain

  • Sunday Night

    Sunday Night: Rain.  Snow level 5900 feet lowering to 4700 feet after midnight . Low around 42. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Rain

  • Monday

    Monday: Showers likely.  Snow level 4200 feet. Mostly cloudy, with a high near 48.

    High: 48 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers.  Snow level 4300 feet lowering to 3600 feet after midnight . Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 47. Light and variable wind.
Friday
Sunny, with a high near 60. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 45. Light and variable wind.
Saturday
A 30 percent chance of rain after 10am. Partly sunny, with a high near 56. South southwest wind 3 to 6 mph.
Saturday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 50. South wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. High near 51. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Sunday Night
Rain. Snow level 5900 feet lowering to 4700 feet after midnight . Low around 42. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Showers likely. Snow level 4200 feet. Mostly cloudy, with a high near 48.
Monday Night
A chance of showers. Snow level 4300 feet lowering to 3600 feet after midnight . Mostly cloudy, with a low around 39.
Tuesday
Showers likely, mainly after 10am. Snow level 3200 feet rising to 3800 feet in the afternoon. Mostly cloudy, with a high near 45.
Tuesday Night
Showers likely. Snow level 3200 feet. Mostly cloudy, with a low around 36.
Wednesday
A chance of rain and snow. Snow level 2900 feet rising to 3800 feet in the afternoon. Partly sunny, with a high near 49.
Wednesday Night
A chance of rain. Snow level 4000 feet. Mostly cloudy, with a low around 38.
Thursday
A chance of rain. Snow level 3800 feet rising to 4500 feet in the afternoon. Partly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles SE Agness OR
 42.42°N 123.87°W (Elev. 2461 ft)
3:41 pm PST Feb 5, 2026
7pm PST Feb 5, 2026-6pm PST Feb 12, 2026
 
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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