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

33°F

1°C

Humidity 93%
Wind Speed W 5 mph
Barometer 29.96 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 31 Dec 6:15 am CST
Extended Forecast for

Princeton IL

  • Today

    Today: A chance of snow before 1pm, then rain likely between 1pm and 5pm, then rain and snow likely after 5pm. Cloudy, with a high near 37. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

    High: 37 °F

    Slight Chance
    Snow then
    Rain/Snow
    Likely

  • Tonight

    Tonight: A 40 percent chance of snow, mainly before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 11. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 11 °F

    Chance Snow
    then Partly
    Cloudy

  • New Year's Day

    New Year's Day: Sunny, with a high near 24. North wind 5 to 10 mph becoming light and variable in the morning.

    High: 24 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 15. Calm wind.

    Low: 15 °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 15.

    Low: 15 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

  • Saturday Night

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

    Low: 16 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of snow before 1pm, then rain likely between 1pm and 5pm, then rain and snow likely after 5pm. Cloudy, with a high near 37. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A 40 percent chance of snow, mainly before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 11. North wind 10 to 15 mph, with gusts as high as 25 mph.
New Year's Day
Sunny, with a high near 24. North wind 5 to 10 mph becoming light and variable in the morning.
Thursday Night
Partly cloudy, with a low around 15. Calm wind.
Friday
Mostly sunny, with a high near 28.
Friday Night
Partly cloudy, with a low around 15.
Saturday
Partly sunny, with a high near 28.
Saturday Night
Partly cloudy, with a low around 16.
Sunday
Mostly sunny, with a high near 34.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Partly sunny, with a high near 41.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Partly sunny, with a high near 39.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Princeton IL
 41.37°N 89.46°W (Elev. 709 ft)
Last Update:
5:16 am CST Dec 31, 2025
Forecast Valid:
6am CST Dec 31, 2025-6pm CST Jan 6, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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