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

43°F

6°C

Humidity 78%
Wind Speed NE 21 G 25 mph
Barometer 30.08 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 1 Apr 2:55 am CDT
Extended Forecast for

Peru IL

  • Overnight

    Overnight: A 30 percent chance of showers, mainly after 4am. Cloudy, with a steady temperature around 43. Northeast wind around 15 mph, with gusts as high as 30 mph.

    Low: 43 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers, mainly before 10am. Cloudy, with a high near 47. Northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 47 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers, then showers and possibly a thunderstorm after 10pm. Steady temperature around 45. Breezy, with an east wind 15 to 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 45 °F

    Showers and
    Breezy

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 72. Breezy, with a south wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 100%.

    High: 72 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am. Partly cloudy, with a low around 48. Breezy, with a west southwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%.

    Low: 48 °F

    Showers
    Likely and
    Breezy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 51. Chance of precipitation is 100%.

    Low: 51 °F

    T-storms

  • Saturday

    Saturday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 62. Breezy.

    High: 62 °F

    Showers
    Likely and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34. Breezy.

    Low: 34 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

Overnight
A 30 percent chance of showers, mainly after 4am. Cloudy, with a steady temperature around 43. Northeast wind around 15 mph, with gusts as high as 30 mph.
Wednesday
A 50 percent chance of showers, mainly before 10am. Cloudy, with a high near 47. Northeast wind around 15 mph, with gusts as high as 25 mph.
Wednesday Night
A chance of showers, then showers and possibly a thunderstorm after 10pm. Steady temperature around 45. Breezy, with an east wind 15 to 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers and possibly a thunderstorm. High near 72. Breezy, with a south wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 100%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am. Partly cloudy, with a low around 48. Breezy, with a west southwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 74.
Friday Night
Showers and possibly a thunderstorm. Low around 51. Chance of precipitation is 100%.
Saturday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 62. Breezy.
Saturday Night
Mostly cloudy, with a low around 34. Breezy.
Sunday
Partly sunny, with a high near 51. Breezy.
Sunday Night
Mostly clear, with a low around 32.
Monday
Mostly sunny, with a high near 58.
Monday Night
A chance of showers. Mostly cloudy, with a low around 35.
Tuesday
Partly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Peru IL
 41.32°N 89.12°W
Last Update:
1:31 am CDT Apr 1, 2026
Forecast Valid:
3am CDT Apr 1, 2026-6pm CDT Apr 7, 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