Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Overcast

16°F

-9°C

Humidity 79%
Wind Speed N 5 mph
Barometer 30.35 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 4 Feb 1:40 am CST
Extended Forecast for

Peru IL

  • Overnight

    Overnight: Partly cloudy, with a low around 16. North wind around 5 mph.

    Low: 16 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 28. North northeast wind around 5 mph.

    High: 28 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 14. Calm wind becoming southwest around 5 mph after midnight. Winds could gust as high as 10 mph.

    Low: 14 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 34. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 34 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A slight chance of snow and sleet after midnight.  Partly cloudy, with a low around 28. South southwest wind 10 to 15 mph becoming west northwest after midnight. Winds could gust as high as 30 mph.  Chance of precipitation is 20%.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance
    Snow/Sleet

  • Friday

    Friday: Partly sunny, with a high near 42. Breezy.

    High: 42 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 16. North wind around 5 mph.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 28. North northeast wind around 5 mph.
Wednesday Night
Increasing clouds, with a low around 14. Calm wind becoming southwest around 5 mph after midnight. Winds could gust as high as 10 mph.
Thursday
Mostly cloudy, with a high near 34. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A slight chance of snow and sleet after midnight. Partly cloudy, with a low around 28. South southwest wind 10 to 15 mph becoming west northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 42. Breezy.
Friday Night
Partly cloudy, with a low around 17.
Saturday
Mostly sunny, with a high near 32.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
Partly sunny, with a high near 36.
Sunday Night
Partly cloudy, with a low around 21.
Monday
Mostly sunny, with a high near 41.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Partly sunny, with a high near 47.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Peru IL
 41.32°N 89.12°W
9:36 pm CST Feb 3, 2026
1am CST Feb 4, 2026-6pm CST Feb 10, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database