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 Rain and Breezy

55°F

13°C

Humidity 94%
Wind Speed SE 23 G 32 mph
Barometer 29.46 in
Dewpoint 54°F (12°C)
Visibility 5.00 mi
Wind Chill50°F (10°C)
Last update 8 Jan 5:19 pm CST
Extended Forecast for

Princeton IL

  • This Afternoon

    This Afternoon: Rain and possibly a thunderstorm. High near 56. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    High: 56 °F

    Rain

  • Tonight

    Tonight: Rain and thunderstorms before 2am, then a slight chance of rain between 2am and 4am. Low around 40. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 80%.

    Low: 40 °F

    Breezy. Rain
    then Chance
    Rain

  • Friday

    Friday: Partly sunny, with a steady temperature around 43. Breezy, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 43 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Sunny

  • Friday Night

    Friday Night: A slight chance of rain after midnight, mixing with snow after 3am. Mostly cloudy, with a low around 32. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 32 °F

    Partly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of rain and snow before 9am, then a chance of snow. Partly sunny, with a high near 38. Chance of precipitation is 40%.

    High: 38 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Rain and possibly a thunderstorm. High near 56. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Tonight
Rain and thunderstorms before 2am, then a slight chance of rain between 2am and 4am. Low around 40. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 80%.
Friday
Partly sunny, with a steady temperature around 43. Breezy, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 35 mph.
Friday Night
A slight chance of rain after midnight, mixing with snow after 3am. Mostly cloudy, with a low around 32. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 20%.
Saturday
A chance of rain and snow before 9am, then a chance of snow. Partly sunny, with a high near 38. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 30.
Sunday Night
Mostly clear, with a low around 23.
Monday
Mostly sunny, with a high near 41.
Monday Night
Partly cloudy, with a low around 32.
Tuesday
Mostly cloudy, with a high near 45.
Tuesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 30.
Wednesday
Mostly cloudy, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 19.
Thursday
Partly sunny, with a high near 30.
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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:
4:21 pm CST Jan 8, 2026
Forecast Valid:
5pm CST Jan 8, 2026-6pm CST Jan 15, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation