Extreme Cold and Winter Weather Expected for Portions of the U.S. This Week

Arctic air will spread across much of the central U.S. into New England this week resulting in record-breaking cold and life threatening wind chill temperatures. Heavy snow will move from the northern Rockies to the central Plains by early Tuesday. A swath of significant snow and ice will likely move from the central Plains to the Mid-Atlantic states Tuesday through early Thursday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

45°F

7°C

Humidity 95%
Wind Speed SSW 5 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Wind Chill42°F (6°C)
Last update 17 Feb 09:52 AM PST
Extended Forecast for

9 Miles WNW Illinois Valley OR

  • Washington's Birthday

    Washington's Birthday: Showers.  Snow level 5100 feet. High near 38. Southwest wind around 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 38 °F

    Showers

  • Tonight

    Tonight: Showers likely, mainly before 7pm.  Snow level 4400 feet. Mostly cloudy, with a steady temperature around 37. South wind 7 to 9 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Showers
    Likely then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after 10am.  Snow level 4600 feet rising to 7000 feet in the afternoon. Mostly cloudy, with a high near 42. South wind 7 to 9 mph.

    High: 42 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely.  Snow level 5500 feet rising to 6800 feet. Cloudy, with a low around 40. Breezy, with a south southwest wind 15 to 24 mph, with gusts as high as 37 mph.  Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 40 °F

    Showers
    Likely and
    Breezy

  • Wednesday

    Wednesday: Showers. The rain could be heavy at times.  Snow level 5700 feet lowering to 5000 feet in the afternoon . High near 42. West southwest wind 16 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 42 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: Rain and snow showers likely, mainly before 10pm.  Snow level 4500 feet lowering to 4000 feet after midnight . Mostly cloudy, with a low around 34. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of rain and snow showers before 10am, then a chance of rain showers.  Snow level 3400 feet rising to 4400 feet in the afternoon. Partly sunny, with a high near 45. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 45 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

Detailed Forecast

Washington's Birthday
Showers. Snow level 5100 feet. High near 38. Southwest wind around 13 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Showers likely, mainly before 7pm. Snow level 4400 feet. Mostly cloudy, with a steady temperature around 37. South wind 7 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 20 percent chance of showers after 10am. Snow level 4600 feet rising to 7000 feet in the afternoon. Mostly cloudy, with a high near 42. South wind 7 to 9 mph.
Tuesday Night
Showers likely. Snow level 5500 feet rising to 6800 feet. Cloudy, with a low around 40. Breezy, with a south southwest wind 15 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
Showers. The rain could be heavy at times. Snow level 5700 feet lowering to 5000 feet in the afternoon . High near 42. West southwest wind 16 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday Night
Rain and snow showers likely, mainly before 10pm. Snow level 4500 feet lowering to 4000 feet after midnight . Mostly cloudy, with a low around 34. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
A chance of rain and snow showers before 10am, then a chance of rain showers. Snow level 3400 feet rising to 4400 feet in the afternoon. Partly sunny, with a high near 45. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Partly sunny, with a high near 52.
Friday Night
A slight chance of showers. Snow level 6000 feet. Mostly cloudy, with a low around 38.
Saturday
A chance of showers. Partly sunny, with a high near 51.
Saturday Night
Showers likely. Mostly cloudy, with a low around 45.
Sunday
Showers likely. Mostly cloudy, with a high near 50.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WNW Illinois Valley OR
 42.15°N 123.85°W (Elev. 3356 ft)
9:40 am PST Feb 17, 2025
10am PST Feb 17, 2025-6pm PST Feb 23, 2025
 
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