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Tropical Storm Imelda Forms; Another Round of Heavy Rain and Potential Flooding in the Southwest

Tropical Storm Imelda has formed near the Bahamas Sunday afternoon, and continues to bring heavy rainfall. The risk of significant wind impacts from Imelda along the Southeast coast are decreasing. Another round of showers and storms with a heavy rain and flash flood threat will continue in the Southwest through Monday morning. Read More >

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

75°F

24°C

Humidity 61%
Wind Speed E 7 mph
Barometer 30.15 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 28 Sep 8:15 pm CDT
Extended Forecast for

Princeton IL

  • Tonight

    Tonight: Patchy fog before 4am, then patchy fog after 5am. Otherwise, clear, with a low around 54. East wind around 5 mph.

    Low: 54 °F

    Clear then
    Patchy Fog

  • Monday

    Monday: Sunny, with a high near 89. Calm wind.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog before 4am, then patchy fog after 5am. Otherwise, clear, with a low around 54. East wind around 5 mph.
Monday
Sunny, with a high near 89. Calm wind.
Monday Night
Mostly clear, with a low around 57. Calm wind.
Tuesday
Sunny, with a high near 88. Calm wind becoming northeast around 5 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 58.
Wednesday
Partly sunny, with a high near 85.
Wednesday Night
Mostly cloudy, with a low around 58.
Thursday
Sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 86.
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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:
5:36 pm CDT Sep 28, 2025
Forecast Valid:
8pm CDT Sep 28, 2025-6pm CDT Oct 5, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation