National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Overcast

22°F

-6°C

Humidity 74%
Wind Speed Calm
Barometer 29.91 in
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 2 Jan 12:15 am CST
Extended Forecast for

Princeton IL

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 20. Calm wind becoming northwest around 5 mph.

    Low: 20 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 28. North wind around 5 mph.

    High: 28 °F

    Partly Sunny

  • Friday Night

    Friday Night: Cloudy, with a low around 20. North wind around 5 mph becoming calm.

    Low: 20 °F

    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 30. Calm wind becoming west around 5 mph.

    High: 30 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 20. Calm wind becoming northwest around 5 mph.
Friday
Partly sunny, with a high near 28. North wind around 5 mph.
Friday Night
Cloudy, with a low around 20. North wind around 5 mph becoming calm.
Saturday
Partly sunny, with a high near 30. Calm wind becoming west around 5 mph.
Saturday Night
Mostly clear, with a low around 17.
Sunday
Partly sunny, with a high near 32.
Sunday Night
Mostly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 47.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
Partly sunny, with a high near 50.
Tuesday Night
Partly cloudy, with a low around 29.
Wednesday
Mostly sunny, with a high near 46.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Mostly cloudy, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Princeton IL
 41.37°N 89.46°W (Elev. 709 ft)
Last Update:
12:11 am CST Jan 2, 2026
Forecast Valid:
12am CST Jan 2, 2026-6pm CST Jan 8, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation