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 and Breezy

39°F

4°C

Humidity 85%
Wind Speed NE 22 G 31 mph
Barometer 30.12 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 26 Mar 11:30 pm CDT
Extended Forecast for

Princeton IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 29. Blustery, with a northeast wind 15 to 20 mph, with gusts as high as 25 mph.

    Low: 29 °F

    Mostly Cloudy
    and Blustery

  • Friday

    Friday: Mostly sunny, with a high near 47. North wind around 15 mph, with gusts as high as 25 mph.

    High: 47 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Clear, with a low around 24. Northwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

    Low: 24 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 51. Light and variable wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, with a low around 29. Blustery, with a northeast wind 15 to 20 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 47. North wind around 15 mph, with gusts as high as 25 mph.
Friday Night
Clear, with a low around 24. Northwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Saturday
Sunny, with a high near 51. Light and variable wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 40.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 76.
Monday Night
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 59.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 78.
Tuesday Night
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 53.
Wednesday
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a high near 68.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 46.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 63.
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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:
11:42 pm CDT Mar 26, 2026
Forecast Valid:
11pm CDT Mar 26, 2026-6pm CDT Apr 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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