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.

Light Drizzle

62°F

17°C

Humidity 90%
Wind Speed SW 10 mph
Barometer 29.82 in
Dewpoint 59°F (15°C)
Visibility 7.00 mi
Last update 12 Apr 8:35 pm CDT
Extended Forecast for

Princeton IL

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 11pm, then a slight chance of showers between 11pm and midnight. Low around 61. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    Low: 61 °F

    Showers then
    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 78. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 78 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 83 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 64 °F

    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 74. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 74 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.

    Low: 60 °F

    Showers
    Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before 11pm, then a slight chance of showers between 11pm and midnight. Low around 61. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Monday
Mostly cloudy, with a high near 78. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers and possibly a thunderstorm. High near 74. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 58.
Friday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 83.
Friday Night
Showers and possibly a thunderstorm. Low around 56. Chance of precipitation is 80%.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 68.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 39.
Sunday
Mostly sunny, with a high near 59.
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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:
8:26 pm CDT Apr 12, 2026
Forecast Valid:
9pm CDT Apr 12, 2026-6pm CDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation