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

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 79%
Wind Speed W 8 mph
Barometer 29.98 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 30 Dec 10:15 pm CST
Extended Forecast for

Princeton IL

  • Tonight

    Tonight: A chance of snow and freezing rain before 11pm, then a slight chance of snow between 11pm and midnight. Cloudy, with a steady temperature around 30. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 30 °F

    Chance Wintry
    Mix then
    Cloudy

  • Wednesday

    Wednesday: Snow likely, mainly after 3pm. Cloudy, with a high near 32. West wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Cloudy then
    Snow Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 11. North wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 11 °F

    Chance Snow
    then Mostly
    Clear

  • New Year's Day

    New Year's Day: Sunny, with a high near 23. North wind around 5 mph becoming calm in the morning.

    High: 23 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of snow and freezing rain before 11pm, then a slight chance of snow between 11pm and midnight. Cloudy, with a steady temperature around 30. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday
Snow likely, mainly after 3pm. Cloudy, with a high near 32. West wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
A 30 percent chance of snow before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 11. North wind 5 to 15 mph, with gusts as high as 20 mph.
New Year's Day
Sunny, with a high near 23. North wind around 5 mph becoming calm in the morning.
Thursday Night
Partly cloudy, with a low around 14.
Friday
Mostly sunny, with a high near 28.
Friday Night
Partly cloudy, with a low around 13.
Saturday
Partly sunny, with a high near 27.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
Partly sunny, with a high near 35.
Sunday Night
Mostly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 37.
Monday Night
Mostly cloudy, with a low around 22.
Tuesday
Mostly sunny, with a high near 34.
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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:
10:16 pm CST Dec 30, 2025
Forecast Valid:
10pm CST Dec 30, 2025-6pm CST Jan 6, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation