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.

Overcast

16°F

-9°C

Humidity 75%
Wind Speed W 13 mph
Barometer 30.07 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill2°F (-17°C)
Last update 17 Mar 2:55 am CDT
Extended Forecast for

Peru IL

  • Overnight

    Overnight: Scattered flurries before 4am. Partly cloudy, with a low around 9. Wind chill values as low as -5. West northwest wind around 15 mph, with gusts as high as 20 mph.

    Low: 9 °F

    Scattered
    Flurries

  • Tuesday

    Tuesday: Increasing clouds, with a high near 22. Wind chill values as low as -6. West northwest wind around 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 22 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Snow, mainly between 10pm and 4am. Temperature rising to around 26 by 5am. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 22 °F⇑

    Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow before 7am. Partly sunny, with a high near 42. South wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 42 °F

    Chance Snow
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34. West southwest wind around 5 mph becoming south after midnight.

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Scattered flurries before 4am. Partly cloudy, with a low around 9. Wind chill values as low as -5. West northwest wind around 15 mph, with gusts as high as 20 mph.
Tuesday
Increasing clouds, with a high near 22. Wind chill values as low as -6. West northwest wind around 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Tuesday Night
Snow, mainly between 10pm and 4am. Temperature rising to around 26 by 5am. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Wednesday
A 30 percent chance of snow before 7am. Partly sunny, with a high near 42. South wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 34. West southwest wind around 5 mph becoming south after midnight.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
Mostly cloudy, with a low around 38.
Friday
Partly sunny, with a high near 64.
Friday Night
Mostly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Partly sunny, with a high near 62.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 48.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Peru IL
 41.32°N 89.12°W
Last Update:
2:05 am CDT Mar 17, 2026
Forecast Valid:
3am CDT Mar 17, 2026-6pm CDT Mar 23, 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