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 and Breezy

73°F

23°C

Humidity 56%
Wind Speed S 24 G 30 mph
Barometer 29.82 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 12 Apr 6:35 pm CDT
Extended Forecast for

Peru IL

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and midnight. Low around 62. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers and
    Breezy then
    Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 79. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 79 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 66 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 83 °F

    Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms. Low around 64. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    Low: 64 °F

    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms. High near 74. Chance of precipitation is 90%.

    High: 74 °F

    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.

    Low: 60 °F

    Showers
    Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and midnight. Low around 62. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A 20 percent chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 79. Southwest wind around 15 mph, with gusts as high as 25 mph.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. South wind around 15 mph, with gusts as high as 25 mph.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Showers and thunderstorms. Low around 64. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Wednesday
Showers and thunderstorms. High near 74. Chance of precipitation is 90%.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 57.
Friday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84.
Friday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 57.
Saturday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 70.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 40.
Sunday
Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
Peru IL
 41.32°N 89.12°W
Last Update:
6:46 pm CDT Apr 12, 2026
Forecast Valid:
6pm CDT Apr 12, 2026-6pm CDT Apr 19, 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