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.

Fair

40°F

4°C

Humidity 82%
Wind Speed W 16 mph
Barometer 30.27 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 6 Apr 7:55 am CDT
Extended Forecast for

Peru IL

Flood Warning April 6, 08:06am until April 10, 07:00pm
Click here for hazard details and duration
Flood Warning
  •  
    Flood Warning April 6, 08:06am until April 10, 07:00pm

    NOW until 7:00pm Fri

    Flood Warning

  • Today

    High: 52 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47. East wind around 10 mph.

    High: 47 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 68. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 68 °F

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 67. Chance of precipitation is 50%.

    High: 67 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 52. Northwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, with a low around 28. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 47. East wind around 10 mph.
Tuesday Night
Mostly cloudy, with a low around 37. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 68. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 53.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 67. Chance of precipitation is 50%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 49.
Friday
A chance of showers. Partly sunny, with a high near 64.
Friday Night
A chance of showers. Mostly cloudy, with a low around 46.
Saturday
A chance of showers. Partly sunny, with a high near 67.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 56.
Sunday
A chance of showers. Mostly cloudy, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Peru IL
 41.32°N 89.12°W
Last Update:
4:26 am CDT Apr 6, 2026
Forecast Valid:
8am CDT Apr 6, 2026-6pm CDT Apr 12, 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