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.

Mostly Cloudy and Breezy

1°F

-17°C

Humidity 60%
Wind Speed W 21 G 37 mph
Barometer 30.14 in
Dewpoint -9°F (-23°C)
Visibility 10.00 mi
Wind Chill-21°F (-29°C)
Last update 19 Jan 6:19 am CST
Extended Forecast for

Princeton IL

Cold Weather Advisory January 19, 06:31am until January 19, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 19, 06:31am until January 19, 12:00pm

    NOW until 12:00pm Mon

    Cold Weather Advisory

  • M.L.King Day

    High: 10 °F

    Scattered
    Flurries and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 4. Wind chill values as low as -10. West wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 4 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Increasing clouds, with a high near 25. Wind chill values as low as -5. West wind 5 to 10 mph becoming south in the afternoon.

    High: 25 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after midnight. Cloudy, with a low around 20. South wind 5 to 15 mph becoming southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Snow Likely

  • Wednesday

    Wednesday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 23.

    High: 23 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 2.

    Low: 2 °F

    Mostly Cloudy

Detailed Forecast

M.L.King Day
Scattered flurries before noon. Partly sunny and cold, with a high near 10. Wind chill values as low as -25. Breezy, with a west wind 15 to 25 mph, with gusts as high as 40 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 4. Wind chill values as low as -10. West wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday
Increasing clouds, with a high near 25. Wind chill values as low as -5. West wind 5 to 10 mph becoming south in the afternoon.
Tuesday Night
Snow likely, mainly after midnight. Cloudy, with a low around 20. South wind 5 to 15 mph becoming southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday
Partly sunny, with a high near 31.
Wednesday Night
Partly cloudy, with a low around 13.
Thursday
Mostly sunny, with a high near 23.
Thursday Night
Mostly cloudy, with a low around 2.
Friday
Partly sunny and cold, with a high near 8.
Friday Night
Partly cloudy, with a low around -10.
Saturday
Mostly sunny and cold, with a high near 5.
Saturday Night
Partly cloudy, with a low around -2.
Sunday
Mostly sunny, with a high near 16.
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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:
4:51 am CST Jan 19, 2026
Forecast Valid:
6am CST Jan 19, 2026-6pm CST Jan 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation