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

27°F

-3°C

Humidity 72%
Wind Speed NW 10 G 17 mph
Barometer 30.21 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 3 Dec 8:35 pm CST
Extended Forecast for

Princeton IL

  • Tonight

    Tonight: A chance of flurries before 11pm. Cloudy during the early evening, then gradual clearing, with a low around -6. Wind chill values as low as -15. North wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: -6 °F

    Chance
    Flurries

  • Thursday

    Thursday: Sunny, with a high near 11. Wind chill values as low as -15. Northwest wind around 5 mph becoming calm in the morning.

    High: 11 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a temperature falling to near -5 by 10pm, then rising to around 2 during the remainder of the night. Wind chill values as low as -15. Calm wind becoming south around 5 mph in the evening.

    Low: -5 °F⇑

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 27. Wind chill values as low as -10. Southwest wind 5 to 10 mph.

    High: 27 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 28.

    High: 28 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 14.

    Low: 14 °F

    Chance Snow

  • Sunday

    Sunday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 1.

    Low: 1 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of flurries before 11pm. Cloudy during the early evening, then gradual clearing, with a low around -6. Wind chill values as low as -15. North wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 11. Wind chill values as low as -15. Northwest wind around 5 mph becoming calm in the morning.
Thursday Night
Mostly clear, with a temperature falling to near -5 by 10pm, then rising to around 2 during the remainder of the night. Wind chill values as low as -15. Calm wind becoming south around 5 mph in the evening.
Friday
Mostly sunny, with a high near 27. Wind chill values as low as -10. Southwest wind 5 to 10 mph.
Friday Night
Mostly cloudy, with a low around 19.
Saturday
Mostly cloudy, with a high near 28.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 14.
Sunday
Partly sunny, with a high near 23.
Sunday Night
Mostly cloudy, with a low around 1.
Monday
Partly sunny, with a high near 23.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 14.
Tuesday
Mostly cloudy, with a high near 33.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 24.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.
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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:
6:01 pm CST Dec 3, 2025
Forecast Valid:
8pm CST Dec 3, 2025-6pm CST Dec 10, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation