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

61°F

16°C

Humidity 55%
Wind Speed S 12 mph
Barometer 30.02 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 9 Apr 1:58 am CDT
Extended Forecast for

Peru IL

Flood Warning April 9, 02:21am until April 10, 01:00am
Click here for hazard details and duration
Flood Warning
  •  
    Flood Warning April 9, 02:21am until April 10, 01:00am

    NOW until 1:00am Fri

    Flood Warning

  • Overnight

    Low: 54 °F

    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 71. Southwest wind around 10 mph becoming west northwest in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 30%.

    High: 71 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 9pm. Low around 49. North wind 5 to 10 mph becoming east in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 49 °F

    Showers

  • Friday

    Friday: A 40 percent chance of showers before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 61. North wind around 10 mph, with gusts as high as 15 mph.

    High: 61 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 38. North wind 5 to 10 mph becoming east after midnight.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A chance of showers after 1pm. Mostly cloudy, with a high near 75. Breezy.

    High: 75 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54. West southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 71. Southwest wind around 10 mph becoming west northwest in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 9pm. Low around 49. North wind 5 to 10 mph becoming east in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
A 40 percent chance of showers before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 61. North wind around 10 mph, with gusts as high as 15 mph.
Friday Night
Mostly clear, with a low around 38. North wind 5 to 10 mph becoming east after midnight.
Saturday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 62.
Saturday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 54.
Sunday
A chance of showers after 1pm. Mostly cloudy, with a high near 75. Breezy.
Sunday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 63. Breezy.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80. Breezy.
Monday Night
Showers likely. Partly cloudy, with a low around 65. Breezy.
Tuesday
Showers and possibly a thunderstorm. Partly sunny, with a high near 79. Breezy.
Tuesday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 54.
Wednesday
A chance of showers. Mostly cloudy, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Peru IL
 41.32°N 89.12°W
Last Update:
1:46 am CDT Apr 9, 2026
Forecast Valid:
2am CDT Apr 9, 2026-6pm CDT Apr 15, 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