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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Peru IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 62. Southwest wind around 5 mph, with gusts as high as 15 mph.

    High: 62 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. South southwest wind around 5 mph becoming west northwest after midnight. Winds could gust as high as 15 mph.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 62. West northwest wind around 5 mph becoming calm.

    High: 62 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: A 50 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 56. Light and variable wind becoming north 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 56 °F

    Slight Chance
    Rain then
    Chance Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain. Partly sunny, with a high near 45.

    High: 45 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 62. Southwest wind around 5 mph, with gusts as high as 15 mph.
Tonight
Mostly clear, with a low around 43. South southwest wind around 5 mph becoming west northwest after midnight. Winds could gust as high as 15 mph.
Tuesday
Sunny, with a high near 62. West northwest wind around 5 mph becoming calm.
Tuesday Night
Partly cloudy, with a low around 39. Calm wind.
Veterans Day
A 50 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 56. Light and variable wind becoming north 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.
Wednesday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 36.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 45.
Thursday Night
Mostly cloudy, with a low around 28.
Friday
Sunny, with a high near 43.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 46.
Saturday Night
Mostly clear, with a low around 29.
Sunday
Sunny, with a high near 51.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Peru IL
 41.34°N 89.14°W
Last Update:
2:46 pm CST Nov 9, 2026
Forecast Valid:
2pm CST Nov 9, 2026-6pm CST Nov 15, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation