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

30°F

-1°C

Humidity 99%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 05 Feb 05:52 AM PST
Extended Forecast for

17 Miles WNW Illinois Valley OR

  • Today

    Today: Sunny, with a high near 61. Southeast wind 5 to 8 mph becoming south southwest in the afternoon.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 45. South southeast wind around 7 mph.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 55. South southwest wind around 8 mph.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: A 10 percent chance of rain after 4am.  Snow level 6500 feet. Partly cloudy, with a low around 44. South wind around 7 mph.

    Low: 44 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: A 30 percent chance of rain, mainly after 10am.  Snow level 6400 feet. Mostly cloudy, with a high near 50. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.

    High: 50 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly after 10pm.  Mostly cloudy, with a low around 46. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Rain Likely

  • Sunday

    Sunday: Rain.  Snow level 7600 feet lowering to 6800 feet in the afternoon . High near 48. Breezy.  Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    High: 48 °F

    Rain and
    Breezy

  • Sunday Night

    Sunday Night: Rain, possibly mixed with snow.  Snow level 5500 feet lowering to 4500 feet after midnight . Cloudy, with a low around 41.

    Low: 41 °F

    Rain/Snow

  • Monday

    Monday: Snow likely.  Mostly cloudy, with a high near 42.

    High: 42 °F

    Snow Likely

Detailed Forecast

Today
Sunny, with a high near 61. Southeast wind 5 to 8 mph becoming south southwest in the afternoon.
Tonight
Mostly clear, with a low around 45. South southeast wind around 7 mph.
Friday
Sunny, with a high near 55. South southwest wind around 8 mph.
Friday Night
A 10 percent chance of rain after 4am. Snow level 6500 feet. Partly cloudy, with a low around 44. South wind around 7 mph.
Saturday
A 30 percent chance of rain, mainly after 10am. Snow level 6400 feet. Mostly cloudy, with a high near 50. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Saturday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 46. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. Snow level 7600 feet lowering to 6800 feet in the afternoon . High near 48. Breezy. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Sunday Night
Rain, possibly mixed with snow. Snow level 5500 feet lowering to 4500 feet after midnight . Cloudy, with a low around 41.
Monday
Snow likely. Mostly cloudy, with a high near 42.
Monday Night
Snow likely. Mostly cloudy, with a low around 36.
Tuesday
Snow likely. Mostly cloudy, with a high near 40.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 35.
Wednesday
A chance of snow. Partly sunny, with a high near 43.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles WNW Illinois Valley OR
 42.18°N 123.98°W (Elev. 4344 ft)
3:41 am PST Feb 5, 2026
6am PST Feb 5, 2026-6pm PST Feb 11, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database