National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Overcast

63°F

17°C

Humidity 65%
Wind Speed N 14 mph
Barometer 30.12 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 7 Oct 12:35 pm CDT
Extended Forecast for

Peru IL

  • This Afternoon

    This Afternoon: Mostly cloudy, then gradually becoming sunny, with a high near 68. North wind around 10 mph, with gusts as high as 20 mph.

    High: 68 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Clear, with a low around 44. North wind around 5 mph.

    Low: 44 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 67. Northeast wind around 5 mph, with gusts as high as 10 mph.

    High: 67 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 38. East wind around 5 mph, with gusts as high as 10 mph.

    Low: 38 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 67. East southeast wind around 5 mph, with gusts as high as 15 mph.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, then gradually becoming sunny, with a high near 68. North wind around 10 mph, with gusts as high as 20 mph.
Tonight
Clear, with a low around 44. North wind around 5 mph.
Wednesday
Sunny, with a high near 67. Northeast wind around 5 mph, with gusts as high as 10 mph.
Wednesday Night
Clear, with a low around 38. East wind around 5 mph, with gusts as high as 10 mph.
Thursday
Sunny, with a high near 67. East southeast wind around 5 mph, with gusts as high as 15 mph.
Thursday Night
Mostly clear, with a low around 41.
Friday
Mostly sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 57.
Columbus Day
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Peru IL
 41.34°N 89.11°W
Last Update:
10:56 am CDT Oct 7, 2025
Forecast Valid:
12pm CDT Oct 7, 2025-6pm CDT Oct 13, 2025
 
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Additional Resources

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Chance of Precipitation