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

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Overcast

31°F

-1°C

Humidity 90%
Wind Speed SW 6 mph
Barometer 29.92 in
Dewpoint 28°F (-2°C)
Visibility 7.00 mi
Wind Chill25°F (-4°C)
Last update 6 Dec 7:55 am CST
Extended Forecast for

Princeton IL

Winter Weather Advisory December 6, 09:00pm until December 7, 06:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Mostly cloudy, with a high near 29. Northwest wind around 5 mph becoming calm in the afternoon.

    High: 29 °F

    Mostly Cloudy

  • Tonight

    Tonight: Snow before 3am, then snow, possibly mixed with freezing rain between 3am and 4am, then snow after 4am. Steady temperature around 27. Light east wind increasing to 5 to 10 mph in the evening. Chance of precipitation is 90%. Little or no ice accumulation expected. New snow accumulation of 1 to 3 inches possible.

    Low: 27 °F

    Chance Snow
    then Wintry
    Mix

  • Sunday

    Sunday: A 30 percent chance of snow before noon. Cloudy through mid morning, then gradual clearing, with a temperature rising to near 24 by noon, then falling to around 15 during the remainder of the day. North wind around 10 mph, with gusts as high as 20 mph.

    High: 24 °F⇓

    Chance Snow
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 3. Wind chill values as low as -5. North wind 5 to 10 mph becoming light after midnight.

    Low: 3 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 12.

    Low: 12 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 38.

    High: 38 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Rain likely. Cloudy, with a low around 30. Chance of precipitation is 70%.

    Low: 30 °F

    Rain Likely

  • Wednesday

    Wednesday: A chance of rain and snow before noon, then a chance of snow. Mostly cloudy, with a high near 35. Chance of precipitation is 30%.

    High: 35 °F

    Chance
    Rain/Snow
    then Chance
    Snow

Detailed Forecast

Today
Mostly cloudy, with a high near 29. Northwest wind around 5 mph becoming calm in the afternoon.
Tonight
Snow before 3am, then snow, possibly mixed with freezing rain between 3am and 4am, then snow after 4am. Steady temperature around 27. Light east wind increasing to 5 to 10 mph in the evening. Chance of precipitation is 90%. Little or no ice accumulation expected. New snow accumulation of 1 to 3 inches possible.
Sunday
A 30 percent chance of snow before noon. Cloudy through mid morning, then gradual clearing, with a temperature rising to near 24 by noon, then falling to around 15 during the remainder of the day. North wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 3. Wind chill values as low as -5. North wind 5 to 10 mph becoming light after midnight.
Monday
Partly sunny, with a high near 23.
Monday Night
Mostly cloudy, with a low around 12.
Tuesday
Mostly cloudy, with a high near 38.
Tuesday Night
Rain likely. Cloudy, with a low around 30. Chance of precipitation is 70%.
Wednesday
A chance of rain and snow before noon, then a chance of snow. Mostly cloudy, with a high near 35. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 14.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 24.
Thursday Night
Mostly cloudy, with a low around 10.
Friday
Partly sunny, with a high near 19.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Princeton IL
 41.37°N 89.46°W (Elev. 709 ft)
Last Update:
6:26 am CST Dec 6, 2025
Forecast Valid:
8am CST Dec 6, 2025-6pm CST Dec 12, 2025
 
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