Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fog/Mist

N/A

Humidity NA
Wind Speed S 6 mph
Barometer 29.98 in
Dewpoint N/A
Visibility 1.00 mi
Last update 6 Mar 3:20 am CST
Extended Forecast for

Princeton IL

  • Overnight

    Overnight: A 40 percent chance of showers, mainly after 5am.  Areas of fog.  Otherwise, mostly cloudy, with a low around 46. Southeast wind around 5 mph.

    Low: 46 °F

    Chance
    Showers and
    Areas Fog

  • Friday

    Friday: Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm.  Areas of fog before 8am. High near 73. Southeast wind 10 to 15 mph becoming south in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 73 °F

    Showers and
    Areas Fog

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight.  Low around 54. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%.

    Low: 54 °F

    Chance
    T-storms then
    Showers and
    Breezy

  • Saturday

    Saturday: A 20 percent chance of rain before noon.  Mostly cloudy, with a high near 58. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 58 °F

    Breezy.
    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 63. Breezy.

    High: 63 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Overnight
A 40 percent chance of showers, mainly after 5am. Areas of fog. Otherwise, mostly cloudy, with a low around 46. Southeast wind around 5 mph.
Friday
Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. Areas of fog before 8am. High near 73. Southeast wind 10 to 15 mph becoming south in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 54. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.
Saturday
A 20 percent chance of rain before noon. Mostly cloudy, with a high near 58. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Sunny, with a high near 63. Breezy.
Sunday Night
Mostly clear, with a low around 45.
Monday
Sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Rain likely, mainly after noon. Partly sunny, with a high near 69. Chance of precipitation is 70%.
Tuesday Night
Rain. Low around 41. Chance of precipitation is 80%.
Wednesday
A 40 percent chance of rain. Partly sunny, with a high near 54. Breezy.
Wednesday Night
Partly cloudy, with a low around 30.
Thursday
Mostly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
Princeton IL
 41.37°N 89.46°W (Elev. 709 ft)
2:42 am CST Mar 6, 2026
3am CST Mar 6, 2026-6pm CDT Mar 12, 2026
 
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Additional Resources

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