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.

Fair

10°F

-12°C

Humidity 47%
Wind Speed W 17 G 23 mph
Barometer 30.32 in
Dewpoint -6°F (-21°C)
Visibility 10.00 mi
Wind Chill-8°F (-22°C)
Last update 19 Jan 4:39 pm CST
Extended Forecast for

Peru IL

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 3. Wind chill values as low as -9. West southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 3 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Increasing clouds, with a high near 26. Wind chill values as low as -6. West southwest wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 15 mph.

    High: 26 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow, mainly after midnight. Cloudy, with a temperature rising to around 29 by 3am. South southeast wind 5 to 15 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 22 °F⇑

    Slight Chance
    Snow then
    Chance Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 32. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 32 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 15. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 15 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -4.

    Low: -4 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny and cold, with a high near 1.

    High: 1 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -9.

    Low: -9 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 3. Wind chill values as low as -9. West southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday
Increasing clouds, with a high near 26. Wind chill values as low as -6. West southwest wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 15 mph.
Tuesday Night
A 50 percent chance of snow, mainly after midnight. Cloudy, with a temperature rising to around 29 by 3am. South southeast wind 5 to 15 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Wednesday
Mostly sunny, with a high near 32. West wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 15. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 24.
Thursday Night
Mostly cloudy, with a low around -4.
Friday
Partly sunny and cold, with a high near 1.
Friday Night
Mostly cloudy, with a low around -9.
Saturday
Partly sunny and cold, with a high near 6.
Saturday Night
Mostly cloudy, with a low around -4.
Sunday
Mostly sunny, with a high near 14.
Sunday Night
Partly cloudy, with a low around 4.
Monday
Mostly sunny, with a high near 22.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Peru IL
 41.32°N 89.12°W
Last Update:
3:11 pm CST Jan 19, 2026
Forecast Valid:
4pm CST Jan 19, 2026-6pm CST Jan 26, 2026
 
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Additional Resources

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Chance of Precipitation