Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

63°F

17°C

Humidity 57%
Wind Speed SW 3 mph
Barometer 30.07 in
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 19 Mar 1:10 pm CDT
Extended Forecast for

Princeton IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 64. South wind around 5 mph.

    High: 64 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 43. Calm wind becoming southwest around 5 mph after midnight.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 68. Southwest wind around 10 mph becoming northwest in the afternoon.

    High: 68 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41. North wind around 5 mph becoming east after midnight.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy, with a high near 71.

    High: 71 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 64. South wind around 5 mph.
Tonight
Partly cloudy, with a low around 43. Calm wind becoming southwest around 5 mph after midnight.
Friday
Partly sunny, with a high near 68. Southwest wind around 10 mph becoming northwest in the afternoon.
Friday Night
Mostly cloudy, with a low around 41. North wind around 5 mph becoming east after midnight.
Saturday
Sunny, with a high near 70.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Mostly cloudy, with a high near 71.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Sunny, with a high near 50.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
Mostly cloudy, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Mostly cloudy, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Princeton IL
 41.37°N 89.46°W (Elev. 709 ft)
1:26 pm CDT Mar 19, 2026
1pm CDT Mar 19, 2026-6pm CDT Mar 25, 2026
 
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