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 and Breezy

N/A

Humidity NA
Wind Speed NE 21 G 25 mph
Barometer 30.17 in
Dewpoint N/A
Visibility 10.00 mi
Last update 27 Mar 12:50 am CDT
Extended Forecast for

Peru IL

  • Overnight

    Overnight: A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 30. Blustery, with a north northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 30 °F

    Slight Chance
    Showers and
    Blustery

  • Friday

    Friday: Mostly sunny, with a high near 47. North northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 47 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Clear, with a low around 25. North northwest wind 5 to 15 mph.

    Low: 25 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 51. Light and variable wind becoming south southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. South wind 10 to 15 mph.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 30. Blustery, with a north northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Friday
Mostly sunny, with a high near 47. North northwest wind around 15 mph, with gusts as high as 25 mph.
Friday Night
Clear, with a low around 25. North northwest wind 5 to 15 mph.
Saturday
Sunny, with a high near 51. Light and variable wind becoming south southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 40. South wind 10 to 15 mph.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 76.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Tuesday
A chance of showers. Mostly cloudy, with a high near 78.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 53.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 68.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 47.
Thursday
Showers likely. Mostly cloudy, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Peru IL
 41.32°N 89.12°W
Last Update:
11:41 pm CDT Mar 26, 2026
Forecast Valid:
1am CDT Mar 27, 2026-6pm CDT Apr 2, 2026
 
Forecast Discussion
 
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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