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

17°F

-8°C

Humidity 72%
Wind Speed W 10 mph
Barometer 30.26 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 30 Dec 9:55 am CST
Extended Forecast for

Princeton IL

  • Today

    Today: Snow likely, mainly after 5pm. Cloudy, with a high near 28. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

    High: 28 °F

    Cloudy then
    Snow Likely

  • Tonight

    Tonight: A chance of snow before 9pm, then a chance of flurries between 9pm and 10pm. Cloudy during the early evening, then clearing, with a low around 26. West wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Chance Snow
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of snow after noon. Cloudy, with a high near 33. West wind 10 to 15 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Cloudy then
    Chance Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 10. Wind chill values as low as zero. North wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 10 °F

    Slight Chance
    Snow then
    Mostly Clear

  • New Year's Day

    New Year's Day: Sunny, with a high near 23.

    High: 23 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 29.

    High: 29 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

Detailed Forecast

Today
Snow likely, mainly after 5pm. Cloudy, with a high near 28. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A chance of snow before 9pm, then a chance of flurries between 9pm and 10pm. Cloudy during the early evening, then clearing, with a low around 26. West wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Wednesday
A 50 percent chance of snow after noon. Cloudy, with a high near 33. West wind 10 to 15 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
A 20 percent chance of snow before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 10. Wind chill values as low as zero. North wind 5 to 15 mph, with gusts as high as 20 mph.
New Year's Day
Sunny, with a high near 23.
Thursday Night
Partly cloudy, with a low around 16.
Friday
Partly sunny, with a high near 29.
Friday Night
Mostly cloudy, with a low around 16.
Saturday
Mostly sunny, with a high near 30.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
Partly sunny, with a high near 38.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 38.
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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:
9:31 am CST Dec 30, 2025
Forecast Valid:
10am CST Dec 30, 2025-6pm CST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation