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

  • Tonight

    Tonight: Areas of drizzle. Cloudy, with a low around 48. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 48 °F

    Areas Drizzle

  • Thursday

    Thursday: A slight chance of showers before 9am, then a chance of showers after 3pm. Cloudy, with a high near 53. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 40%.

    High: 53 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly before 7pm. Cloudy, with a low around 39. North wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 39 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 49. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 49 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30. North wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Tonight
Areas of drizzle. Cloudy, with a low around 48. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
A slight chance of showers before 9am, then a chance of showers after 3pm. Cloudy, with a high near 53. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 40%.
Thursday Night
A 30 percent chance of showers, mainly before 7pm. Cloudy, with a low around 39. North wind 5 to 10 mph, with gusts as high as 15 mph.
Friday
Partly sunny, with a high near 49. North wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 30. North wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Saturday
Sunny, with a high near 51.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 35.
Monday
Sunny, with a high near 62.
Monday Night
Clear, with a low around 39.
Tuesday
Sunny, with a high near 62.
Tuesday Night
Partly cloudy, with a low around 38.
Veterans Day
Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Peru IL
 41.32°N 89.12°W
Last Update:
8:16 pm CST Nov 4, 2026
Forecast Valid:
10pm CST Nov 4, 2026-6pm CST Nov 11, 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