Late January Extreme Cold; Watching for Another East Coast Storm Threat This Weekend

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

25°F

-4°C

Humidity 97%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 27 Jan 12:52 AM PST
Extended Forecast for

11 Miles WSW Wilderville OR

  • Overnight

    Overnight: Mostly cloudy, with a low around 39. South southwest wind around 14 mph.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain, mainly after 3pm.  Snow level rising to 5600 feet in the afternoon. High near 46. South wind 15 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Mostly Cloudy
    then Rain

  • Tuesday Night

    Tuesday Night: Rain and snow likely before 1am, then a chance of rain and snow after 4am.  Snow level 4700 feet. Mostly cloudy, with a low around 37. Breezy, with a south southwest wind around 22 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain/Snow
    Likely and
    Breezy

  • Wednesday

    Wednesday: A chance of rain and snow before 1pm, then a slight chance of rain.  Snow level 4800 feet. Mostly cloudy, with a high near 43. South wind 16 to 18 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 43 °F

    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain.  Snow level 5300 feet. Mostly cloudy, with a low around 41. South wind 16 to 18 mph.

    Low: 41 °F

    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain, mainly before 4pm.  Snow level 5600 feet rising to 6200 feet in the afternoon. Mostly cloudy, with a high near 48.

    High: 48 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 10pm.  Snow level 6100 feet. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday

    Friday: A slight chance of rain.  Snow level 5700 feet. Mostly cloudy, with a high near 52.

    High: 52 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: A slight chance of rain before 10pm.  Snow level 6200 feet. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 39. South southwest wind around 14 mph.
Tuesday
Rain, mainly after 3pm. Snow level rising to 5600 feet in the afternoon. High near 46. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain and snow likely before 1am, then a chance of rain and snow after 4am. Snow level 4700 feet. Mostly cloudy, with a low around 37. Breezy, with a south southwest wind around 22 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday
A chance of rain and snow before 1pm, then a slight chance of rain. Snow level 4800 feet. Mostly cloudy, with a high near 43. South wind 16 to 18 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday Night
A 50 percent chance of rain. Snow level 5300 feet. Mostly cloudy, with a low around 41. South wind 16 to 18 mph.
Thursday
A 40 percent chance of rain, mainly before 4pm. Snow level 5600 feet rising to 6200 feet in the afternoon. Mostly cloudy, with a high near 48.
Thursday Night
A 20 percent chance of rain before 10pm. Snow level 6100 feet. Mostly cloudy, with a low around 44.
Friday
A slight chance of rain. Snow level 5700 feet. Mostly cloudy, with a high near 52.
Friday Night
A slight chance of rain before 10pm. Snow level 6200 feet. Mostly cloudy, with a low around 43.
Saturday
A slight chance of rain after 4pm. Snow level 6100 feet. Partly sunny, with a high near 53.
Saturday Night
A chance of rain. Snow level 6300 feet. Mostly cloudy, with a low around 44.
Sunday
A chance of rain. Snow level 5800 feet. Partly sunny, with a high near 49.
Sunday Night
A chance of rain. Snow level 5400 feet. Mostly cloudy, with a low around 43.
Monday
A slight chance of rain and snow. Snow level 5400 feet. Mostly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WSW Wilderville OR
 42.34°N 123.66°W (Elev. 4183 ft)
1:30 am PST Jan 27, 2026
1am PST Jan 27, 2026-6pm PST Feb 2, 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