Peru, Illinois Weather
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Weather Forecast for Peru, Illinois : LaSalle County
Issued: 2:46 pm CDT Oct 15, 2025 Latitude: 41.3275349 Longitude: -89.1289728 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Thursday Friday Saturday Sunday Monday Tuesday
20% chance of rain on This Afternoon 20% chance of rain on Tonight Partly Sunny on Thursday Partly Sunny on Friday 80% chance of thunderstorms on Saturday 20% chance of rain on Sunday Sunny on Monday Sunny on Tuesday
High: 67°F Low: 56°F High: 73°F High: 78°F High: 74°F High: 61°F High: 66°F High: 66°F
Low: 56°F Low: 60°F Low: 49°F Low: 41°F Low: 46°F  
Rain Rain Partly Sunny Partly Sunny Thunderstorms Rain Sunny Sunny
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Current Conditions at
PERU - (KVYS)
64°
Cloudy
as of 2:55 PM CDST
Rel. Humidity: 72%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.19 in.
Flight Rule: MVFR
Wind Data
10 MPH
070° East
Cloud Level(s): Solid Overcast at 3000ft
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
68°
Cloudy
as of 2:55 PM CDST
Rel. Humidity: 64%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 3900ft
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
61°
Cloudy
as of 2:55 PM CDST
Rel. Humidity: 82%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.20 in.
Flight Rule: VFR
Wind Data
3 MPH
070° East
Cloud Level(s): Solid Overcast at 3900ft
Current Conditions at
PONTIAC MUNICIPAL AIRPT - (KPNT)
68°
Cloudy
as of 2:55 PM CDST
Rel. Humidity: 60%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: VFR
Wind Data
10 MPH
060° Northeast
Cloud Level(s): Solid Overcast at 7500ft
20% chance of rain This Afternoon This Afternoon... Isolated showers. Mostly cloudy, with a high near 67. East northeast wind 5 to 10 mph. Chance of precipitation is 20%.
20% chance of rain Tonight Tonight... Isolated showers before 9pm. Mostly cloudy, with a low around 56. East wind around 10 mph. Chance of precipitation is 20%.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 73. Southeast wind 5 to 10 mph.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 56. East southeast wind 5 to 10 mph.
Partly Sunny on Friday Friday... Partly sunny, with a high near 78. South wind 10 to 15 mph, with gusts as high as 20 mph.
50% chance of thunderstorms Friday Night Friday Night... A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 60.
80% chance of thunderstorms Saturday Saturday... Showers and possibly a thunderstorm. High near 74. Chance of precipitation is 80%.
Thunderstorms on Saturday Night Saturday Night... Showers likely, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 49.
20% chance of rain Sunday Sunday... A chance of showers before 1pm. Mostly sunny, with a high near 61.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 41.
Sunny on Monday Monday... Sunny, with a high near 66.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 46.
Sunny on Tuesday Tuesday... Sunny, with a high near 66.
Current Radar Image


Sun Almanac for Peru, Illinois
Sunrise: 07:09 AM
Sunset: 6:15 PM
Civil Sunrise:06:41 AM
Civil Sunset: 6:43 PM
Nautical Sunrise: 06:09 AM
Nautical Sunset: 7:15 PM
Astro Sunrise: 05:37 AM
Astro Sunset: 7:47 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.