Peru, Illinois Weather
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Weather Forecast for Peru, Illinois : LaSalle County
Issued: 5:56 am CDT Aug 15, 2025 Latitude: 41.3275349 Longitude: -89.1289728 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Saturday Sunday Monday Tuesday Wednesday Thursday
Mostly Sunny on Today 20% chance of thunderstorms on Tonight 20% chance of thunderstorms on Saturday 20% chance of thunderstorms on Sunday 20% chance of thunderstorms on Monday 20% chance of thunderstorms on Tuesday Partly Sunny on Wednesday Mostly Sunny on Thursday
High: 91°F Low: 72°F High: 93°F High: 93°F High: 94°F High: 89°F High: 82°F High: 83°F
Low: 73°F Low: 72°F Low: 72°F Low: 68°F Low: 64°F  
Mostly Sunny Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Partly Sunny Mostly Sunny
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Current Conditions at
PERU - (KVYS)
68°
Clear
as of 6:55 AM CDST
Rel. Humidity: 93%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
5 MPH
130° Southeast
Cloud Level(s): Clear
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
68°
Clear
as of 6:55 AM CDST
Rel. Humidity: 88%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
66°
Partly Cloudy
as of 6:55 AM CDST
Rel. Humidity: 100%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
3 MPH
090° East
Cloud Level(s): Scattered at 4400ft
Current Conditions at
PONTIAC MUNICIPAL AIRPT - (KPNT)
66°
Clear
as of 6:55 AM CDST
Rel. Humidity: 100%
Dew Point: 66°F
Visibility: 7 Miles
Pressure: 30.10 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Mostly Sunny on Today Today... Mostly sunny, with a high near 91. Heat index values as high as 98. East wind around 5 mph becoming south southwest in the afternoon.

20% chance of thunderstorms Tonight Tonight... A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. South wind around 5 mph becoming calm in the evening.

20% chance of thunderstorms Saturday Saturday... A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 93. Heat index values as high as 106. South southwest wind 5 to 10 mph.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 73. South wind around 5 mph.

20% chance of thunderstorms Sunday Sunday... A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. East southeast wind around 5 mph.

20% chance of thunderstorms Sunday Night Sunday Night... A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72.

20% chance of thunderstorms Monday Monday... A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.

20% chance of thunderstorms Monday Night Monday Night... A chance of showers and thunderstorms. Partly cloudy, with a low around 72.

20% chance of thunderstorms Tuesday Tuesday... A chance of showers and thunderstorms. Mostly sunny, with a high near 89.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 68.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 82.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 64.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 83.

Current Radar Image


Sun Almanac for Peru, Illinois
Sunrise: 06:06 AM
Sunset: 7:55 PM
Civil Sunrise:05:37 AM
Civil Sunset: 8:25 PM
Nautical Sunrise: 05:01 AM
Nautical Sunset: 9:01 PM
Astro Sunrise: 04:22 AM
Astro Sunset: 9:40 PM
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