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Lacon, Illinois Weather Forecast
Lacon, Illinois Weather
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Weather Forecast for Lacon, Illinois : Marshall County
Issued: 3:46 am CST Dec 21, 2025 Latitude: 41.0247583 Longitude: -89.4112007 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Monday Tuesday Wednesday Christmas Day Friday Saturday
Sunny on Today Increasing Clouds on Tonight Mostly Cloudy on Monday Partly Sunny on Tuesday Cloudy on Wednesday Mostly Cloudy on Christmas Day Mostly Cloudy on Friday Mostly Cloudy on Saturday
High: 35°F Low: 26°F High: 43°F High: 49°F High: 54°F High: 59°F High: 47°F High: 46°F
Low: 37°F Low: 33°F Low: 48°F Low: 38°F Low: 32°F  
Sunny Increasing Clouds Mostly Cloudy Partly Sunny Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy
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Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
19°
Clear
as of 4:15 AM CST
Rel. Humidity: 67%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.32 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
PERU - (KVYS)
21°
Clear
as of 4:15 AM CST
Rel. Humidity: 67%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.32 in.
Flight Rule: VFR
Wind Data
7 MPH
320° Northwest
Cloud Level(s): Clear
Current Conditions at
PEORIA - (KPIA)
25°
Clear
as of 3:54 AM CST
Rel. Humidity: 58%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.33 in.
Flight Rule: VFR
Wind Data
3 MPH
340° North
Cloud Level(s): Clear
Current Conditions at
PONTIAC MUNICIPAL AIRPT - (KPNT)
21°
Clear
as of 4:15 AM CST
Rel. Humidity: 73%
Dew Point: 14°F
Visibility: 10 Miles
Pressure: 30.31 in.
Flight Rule: VFR
Wind Data
7 MPH
310° Northwest
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 35. Light and variable wind.
Increasing Clouds on Tonight Tonight... Increasing clouds, with a low around 26. Light south southeast wind becoming south 5 to 9 mph in the evening. Winds could gust as high as 20 mph.
Mostly Cloudy on Monday Monday... Mostly cloudy, with a high near 43. South wind 7 to 11 mph, with gusts as high as 21 mph.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 37. South southwest wind around 7 mph, with gusts as high as 15 mph.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 49. West southwest wind around 6 mph becoming calm in the afternoon.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 33. Calm wind becoming east southeast around 5 mph after midnight.
Cloudy on Wednesday Wednesday... Cloudy, with a high near 54. South wind 5 to 7 mph, with gusts as high as 15 mph.
30% chance of rain Wednesday Night Wednesday Night... A 30 percent chance of rain before midnight. Cloudy, with a low around 48.
Mostly Cloudy on Christmas Day Christmas Day... Mostly cloudy, with a high near 59.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 38.
Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 47.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 32.
Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 46.
Current Radar Image


Sun Almanac for Lacon, 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: 5:38 PM
Astro Sunrise: 05:40 AM
Astro Sunset: 6:12 PM
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