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.

Fair

43°F

6°C

Humidity 43%
Wind Speed W 13 G 20 mph
Barometer 30.02 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 20 Mar 5:35 pm CDT
Extended Forecast for

Peru IL

  • Tonight

    Tonight: Clear, with a low around 31. West northwest wind 5 to 10 mph becoming south southwest after midnight.

    Low: 31 °F

    Clear

  • Friday

    Friday: Increasing clouds, with a high near 61. Breezy, with a southwest wind 15 to 20 mph increasing to 20 to 25 mph in the morning. Winds could gust as high as 40 mph.

    High: 61 °F

    Increasing
    Clouds and
    Breezy

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 30. West southwest wind around 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph.

    Low: 30 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 50. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 50 °F

    Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 39. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers. High near 58. Breezy. Chance of precipitation is 90%.

    High: 58 °F

    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A slight chance of rain showers before 1am, then a slight chance of rain and snow showers. Partly cloudy, with a low around 33. Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Showers then
    Slight Chance
    Rain/Snow

  • Monday

    Monday: Mostly sunny, with a high near 49. Breezy.

    High: 49 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 31. West northwest wind 5 to 10 mph becoming south southwest after midnight.
Friday
Increasing clouds, with a high near 61. Breezy, with a southwest wind 15 to 20 mph increasing to 20 to 25 mph in the morning. Winds could gust as high as 40 mph.
Friday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 30. West southwest wind around 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph.
Saturday
Sunny, with a high near 50. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 39. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday
Showers. High near 58. Breezy. Chance of precipitation is 90%.
Sunday Night
A slight chance of rain showers before 1am, then a slight chance of rain and snow showers. Partly cloudy, with a low around 33. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 49. Breezy.
Monday Night
Partly cloudy, with a low around 32.
Tuesday
A chance of showers after 1pm. Partly sunny, with a high near 53.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
Mostly sunny, with a high near 55.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
Mostly sunny, with a high near 57.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Peru IL
 41.32°N 89.14°W
Last Update:
5:27 pm CDT Mar 20, 2025
Forecast Valid:
5pm CDT Mar 20, 2025-6pm CDT Mar 27, 2025
 
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