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

65°F

18°C

Humidity 87%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 12 Jun 5:15 am CDT
Extended Forecast for

Peru IL

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 88. East southeast wind 5 to 10 mph becoming south in the morning.

    High: 88 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers after 4am. Mostly cloudy, with a low around 65. South southeast wind around 5 mph becoming east after midnight. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81. East southeast wind 5 to 10 mph. Chance of precipitation is 50%.

    High: 81 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 65. East southeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 84. East northeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.

    High: 84 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers after 1pm. Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 88. East southeast wind 5 to 10 mph becoming south in the morning.
Tonight
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers after 4am. Mostly cloudy, with a low around 65. South southeast wind around 5 mph becoming east after midnight. Chance of precipitation is 20%.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81. East southeast wind 5 to 10 mph. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 65. East southeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 30%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 84. East northeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Partly sunny, with a high near 82.
Sunday Night
Mostly cloudy, with a low around 62.
Monday
A chance of showers after 1pm. Mostly sunny, with a high near 85.
Monday Night
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 87.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Peru IL
 41.32°N 89.14°W
Last Update:
3:41 am CDT Jun 12, 2025
Forecast Valid:
5am CDT Jun 12, 2025-6pm CDT Jun 18, 2025
 
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