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Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Partly Cloudy

64°F

18°C

Humidity 78%
Wind Speed SW 8 G 12 mph
Barometer 29.92 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 22 Apr 5:00 am CDT
Extended Forecast for

Princeton IL

  • Today

    Today: Mostly sunny, with a high near 78. West wind around 5 mph.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. South wind around 5 mph becoming southeast in the evening.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 81. Breezy, with a south wind 10 to 20 mph, with gusts as high as 25 mph.

    High: 81 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers likely before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Partly sunny, with a high near 74. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 74 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 78. West wind around 5 mph.
Tonight
Mostly clear, with a low around 58. South wind around 5 mph becoming southeast in the evening.
Thursday
Mostly sunny, with a high near 81. Breezy, with a south wind 10 to 20 mph, with gusts as high as 25 mph.
Thursday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Friday
Showers likely before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Partly sunny, with a high near 74. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 70.
Saturday Night
Mostly cloudy, with a low around 47.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 54. Breezy. Chance of precipitation is 60%.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. Breezy. Chance of precipitation is 70%.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Princeton IL
 41.37°N 89.46°W (Elev. 709 ft)
Last Update:
4:27 am CDT Apr 22, 2026
Forecast Valid:
5am CDT Apr 22, 2026-6pm CDT Apr 28, 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