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.

Mostly Cloudy

48°F

9°C

Humidity 87%
Wind Speed NE 12 mph
Barometer 30.02 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 31 Mar 10:36 pm CDT
Extended Forecast for

Princeton IL

  • Tonight

    Tonight: A 40 percent chance of showers, mainly after 3am. Cloudy, with a low around 39. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers, mainly after 2pm. Cloudy, with a high near 49. East wind around 15 mph, with gusts as high as 25 mph.

    High: 49 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers, then showers and possibly a thunderstorm after 8pm. Temperature rising to around 52 by 5am. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 46 °F⇑

    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 74. Breezy, with a south wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 74 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: A 40 percent chance of showers before 1am. Partly cloudy, with a low around 46. Breezy.

    Low: 46 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 48. Chance of precipitation is 90%.

    Low: 48 °F

    Showers

  • Saturday

    Saturday: A 50 percent chance of showers. Mostly cloudy, with a high near 59. Breezy.

    High: 59 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 33. Breezy.

    Low: 33 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

Tonight
A 40 percent chance of showers, mainly after 3am. Cloudy, with a low around 39. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
A 40 percent chance of showers, mainly after 2pm. Cloudy, with a high near 49. East wind around 15 mph, with gusts as high as 25 mph.
Wednesday Night
A chance of showers, then showers and possibly a thunderstorm after 8pm. Temperature rising to around 52 by 5am. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers and possibly a thunderstorm. High near 74. Breezy, with a south wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A 40 percent chance of showers before 1am. Partly cloudy, with a low around 46. Breezy.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 75.
Friday Night
Showers and possibly a thunderstorm. Low around 48. Chance of precipitation is 90%.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 59. Breezy.
Saturday Night
Mostly cloudy, with a low around 33. Breezy.
Sunday
Mostly sunny, with a high near 51. Breezy.
Sunday Night
Mostly clear, with a low around 31.
Monday
Sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Mostly sunny, with a high near 61.
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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:
10:47 pm CDT Mar 31, 2026
Forecast Valid:
10pm CDT Mar 31, 2026-6pm CDT Apr 7, 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