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Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Partly Cloudy

80°F

27°C

Humidity 87%
Wind Speed SE 7 mph
Barometer 30.06 in
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 18 Aug 9:30 am CDT
Extended Forecast for

Peru IL

  • Today

    Today: Showers and thunderstorms likely, mainly after 3pm. Mostly sunny, with a high near 90. Heat index values as high as 103. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly between 1am and 4am. Mostly cloudy, with a low around 70. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 70 °F

    T-storms
    Likely

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 87. Heat index values as high as 96. West southwest wind 5 to 10 mph becoming northwest in the afternoon.

    High: 87 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 67. North wind around 5 mph, with gusts as high as 10 mph.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 80 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 3pm. Mostly sunny, with a high near 90. Heat index values as high as 103. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly between 1am and 4am. Mostly cloudy, with a low around 70. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 87. Heat index values as high as 96. West southwest wind 5 to 10 mph becoming northwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 67. North wind around 5 mph, with gusts as high as 10 mph.
Wednesday
Mostly sunny, with a high near 80. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 82.
Thursday Night
Clear, with a low around 59.
Friday
Sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Peru IL
 41.34°N 89.11°W
Last Update:
6:42 am CDT Aug 18, 2025
Forecast Valid:
9am CDT Aug 18, 2025-6pm CDT Aug 24, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation