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.

Partly Cloudy

42°F

6°C

Humidity 60%
Wind Speed SE 15 mph
Barometer 30.23 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 8 Apr 7:55 am CDT
Extended Forecast for

Peru IL

Flood Warning April 8, 08:00am until April 10, 01:00am
Click here for hazard details and duration
Flood Warning
  •  
    Flood Warning April 8, 08:00am until April 10, 01:00am

    NOW until 1:00am Fri

    Flood Warning

  • Today

    High: 70 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Showers and thunderstorms likely. Increasing clouds, with a low around 53. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Breezy.
    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: A 20 percent chance of showers. Partly sunny, with a high near 69. West wind around 10 mph, with gusts as high as 15 mph.

    High: 69 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 48. Northwest wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 80%.

    Low: 48 °F

    Showers

  • Friday

    Friday: A 40 percent chance of showers before 1pm. Mostly cloudy, with a high near 59. North northeast wind around 10 mph, with gusts as high as 15 mph.

    High: 59 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers before 1am. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 70. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 35 mph.
Tonight
Showers and thunderstorms likely. Increasing clouds, with a low around 53. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 69. West wind around 10 mph, with gusts as high as 15 mph.
Thursday Night
Showers and possibly a thunderstorm. Low around 48. Northwest wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 80%.
Friday
A 40 percent chance of showers before 1pm. Mostly cloudy, with a high near 59. North northeast wind around 10 mph, with gusts as high as 15 mph.
Friday Night
Mostly clear, with a low around 38.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
A chance of showers before 1am. Mostly cloudy, with a low around 54.
Sunday
Mostly cloudy, with a high near 78. Breezy.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 63.
Monday
A chance of showers. Mostly cloudy, with a high near 79. Breezy.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Peru IL
 41.32°N 89.12°W
Last Update:
5:06 am CDT Apr 8, 2026
Forecast Valid:
8am CDT Apr 8, 2026-6pm CDT Apr 14, 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