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 Snow

25°F

-4°C

Humidity 80%
Wind Speed S 14 mph
Barometer 29.73 in
Dewpoint 19°F (-7°C)
Visibility 1.50 mi
Wind Chill13°F (-11°C)
Last update 15 Jan 10:41 pm CST
Extended Forecast for

Peru IL

  • Tonight

    Tonight: Snow before 2am, then a chance of snow after 4am. Temperature rising to around 28 by 5am. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of around an inch possible.

    Low: 25 °F⇑

    Snow

  • Friday

    Friday: A 40 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 36. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 36 °F

    Chance Snow
    and Breezy

  • Friday Night

    Friday Night: A 30 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 14. Wind chill values as low as zero. West northwest wind around 15 mph, with gusts as high as 20 mph.

    Low: 14 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A chance of flurries. Partly sunny, with a high near 18. Wind chill values as low as -1. Breezy, with a west wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 18 °F

    Partly Sunny
    then Chance
    Flurries and
    Breezy

  • Saturday Night

    Saturday Night: A chance of flurries before midnight. Mostly cloudy, with a low around 7. West wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 7 °F

    Chance
    Flurries

  • Sunday

    Sunday: Partly sunny, with a high near 21.

    High: 21 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 4. Blustery.

    Low: 4 °F

    Mostly Cloudy
    then Partly
    Cloudy and
    Blustery

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 11. Blustery.

    High: 11 °F

    Mostly Sunny
    and Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around 4.

    Low: 4 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow before 2am, then a chance of snow after 4am. Temperature rising to around 28 by 5am. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of around an inch possible.
Friday
A 40 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 36. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
A 30 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 14. Wind chill values as low as zero. West northwest wind around 15 mph, with gusts as high as 20 mph.
Saturday
A chance of flurries. Partly sunny, with a high near 18. Wind chill values as low as -1. Breezy, with a west wind 15 to 20 mph, with gusts as high as 25 mph.
Saturday Night
A chance of flurries before midnight. Mostly cloudy, with a low around 7. West wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 21.
Sunday Night
Partly cloudy, with a low around 4. Blustery.
M.L.King Day
Mostly sunny, with a high near 11. Blustery.
Monday Night
Partly cloudy, with a low around 4.
Tuesday
Mostly sunny, with a high near 23.
Tuesday Night
Mostly cloudy, with a low around 16.
Wednesday
Partly sunny, with a high near 28.
Wednesday Night
Partly cloudy, with a low around 12.
Thursday
Mostly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Peru IL
 41.32°N 89.12°W
Last Update:
9:41 pm CST Jan 15, 2026
Forecast Valid:
11pm CST Jan 15, 2026-6pm CST Jan 22, 2026
 
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Additional Resources

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Chance of Precipitation