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Chillicothe, Illinois Weather Forecast
Chillicothe, Illinois Weather
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Weather Forecast for Chillicothe, Illinois : Peoria County
Issued: 12:36 am CST Dec 21, 2025 Latitude: 40.9222589 Longitude: -89.4862025 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Christmas Day Friday Saturday
Clear on Overnight Sunny on Sunday Mostly Cloudy on Monday Partly Sunny on Tuesday Cloudy on Wednesday Mostly Cloudy on Christmas Day Mostly Cloudy on Friday Partly Sunny on Saturday
Low: 27°F High: 35°F High: 45°F High: 51°F High: 55°F High: 62°F High: 53°F High: 47°F
Low: 27°F Low: 38°F Low: 33°F Low: 48°F Low: 41°F Low: 36°F  
Clear Sunny Mostly Cloudy Partly Sunny Cloudy Mostly Cloudy Mostly Cloudy Partly Sunny
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Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
27°
Clear
as of 12:55 AM CST
Rel. Humidity: 63%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.26 in.
Flight Rule: VFR
Wind Data
5 MPH
290° West
Cloud Level(s): Clear
Current Conditions at
PEORIA - (KPIA)
28°
Clear
as of 12:54 AM CST
Rel. Humidity: 63%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.27 in.
Flight Rule: VFR
Wind Data
3 MPH
290° West
Cloud Level(s): Clear
Current Conditions at
PERU - (KVYS)
28°
Feels like 18°F
Clear
as of 12:55 AM CST
Rel. Humidity: 50%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.24 in.
Flight Rule: VFR
Wind Data
12 MPH
Gust: 17 MPH
310° Northwest
Cloud Level(s): Clear
Current Conditions at
BLOOMINGTON - (KBMI)
28°
Feels like 17°F
Clear
as of 12:56 AM CST
Rel. Humidity: 68%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.25 in.
Flight Rule: VFR
Wind Data
13 MPH
310° Northwest
Cloud Level(s): Clear
Clear on Overnight Overnight... Clear, with a steady temperature around 27. North northwest wind 6 to 8 mph, with gusts as high as 18 mph.

Sunny on Sunday Sunday... Sunny, with a high near 35. North wind around 6 mph becoming light and variable in the morning.

Increasing Clouds on Sunday Night Sunday Night... Increasing clouds, with a low around 27. Calm wind becoming south 5 to 8 mph in the evening. Winds could gust as high as 16 mph.

Mostly Cloudy on Monday Monday... Mostly cloudy, with a high near 45. South wind 8 to 11 mph, with gusts as high as 21 mph.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 38. South southwest wind 6 to 8 mph, with gusts as high as 16 mph.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 51. West southwest wind around 6 mph becoming light and variable in the afternoon.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 33. Calm wind becoming east southeast around 6 mph after midnight.

Cloudy on Wednesday Wednesday... Cloudy, with a high near 55.

30% chance of rain Wednesday Night Wednesday Night... A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 48.

Mostly Cloudy on Christmas Day Christmas Day... Mostly cloudy, with a high near 62.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 41.

Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 53.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 36.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 47.

Current Radar Image


Sun Almanac for Chillicothe, Illinois
Sunrise: 07:19 AM
Sunset: 4:33 PM
Civil Sunrise:06:48 AM
Civil Sunset: 5:04 PM
Nautical Sunrise: 06:14 AM
Nautical Sunset: 5:39 PM
Astro Sunrise: 05:40 AM
Astro Sunset: 6:12 PM
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