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

45°F

7°C

Humidity 71%
Wind Speed W 22 G 37 mph
Barometer 29.97 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 4 Apr 4:30 pm CDT
Extended Forecast for

Princeton IL

  • This Afternoon

    This Afternoon: A chance of sprinkles. Cloudy, with a steady temperature around 46. Breezy, with a west wind around 20 mph, with gusts as high as 35 mph.

    High: 46 °F

    Chance
    Sprinkles and
    Breezy

  • Tonight

    Tonight: A chance of sprinkles before 8pm. Mostly cloudy, with a low around 35. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 35 °F

    Breezy then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 54. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 54 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 67. Breezy.

    High: 67 °F

    Partly Sunny
    and Breezy

Detailed Forecast

This Afternoon
A chance of sprinkles. Cloudy, with a steady temperature around 46. Breezy, with a west wind around 20 mph, with gusts as high as 35 mph.
Tonight
A chance of sprinkles before 8pm. Mostly cloudy, with a low around 35. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 54. Northwest wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 36. West wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 51.
Monday Night
Partly cloudy, with a low around 24.
Tuesday
Mostly sunny, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Partly sunny, with a high near 67. Breezy.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 51.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 67.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 46.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 65.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 50.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 68.
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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:
2:46 pm CDT Apr 4, 2026
Forecast Valid:
5pm CDT Apr 4, 2026-6pm CDT Apr 11, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation