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Fillmore, Illinois Weather Forecast
Fillmore, Illinois Weather
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Weather Forecast for Fillmore, Illinois : Douglas County
Issued: 11:17 am CST Jan 6, 2026 Latitude: 39.7133661 Longitude: -88.3811627 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thursday Friday Saturday Sunday Monday
Mostly Cloudy on Today Mostly Cloudy on Tonight Clearing on Wednesday 90% chance of rain on Thursday 40% chance of rain on Friday Partly Sunny on Saturday Mostly Sunny on Sunday Sunny on Monday
High: 51°F Low: 33°F High: 53°F High: 60°F High: 53°F High: 42°F High: 34°F High: 44°F
Low: 40°F Low: 45°F Low: 33°F Low: 22°F Low: 22°F  
Mostly Cloudy Mostly Cloudy Clearing Rain Rain Partly Sunny Mostly Sunny Sunny
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Current Conditions at
MATTOON - (KMTO)
48°
Feels like 42°F
Cloudy
as of 10:53 AM CST
Rel. Humidity: 87%
Dew Point: 45°F
Visibility: 8 Miles
Pressure: 29.70 in.
Flight Rule: MVFR
Wind Data
16 MPH
Gust: 32 MPH
270° West
Cloud Level(s): Solid Overcast at 1300ft
Current Conditions at
CHAMPAIGN - (KCMI)
48°
Feels like 41°F
Cloudy
as of 10:53 AM CST
Rel. Humidity: 81%
Dew Point: 43°F
Visibility: 7 Miles
Pressure: 29.66 in.
Flight Rule: IFR
Wind Data
21 MPH
Gust: 28 MPH
250° West
Cloud Level(s): Broken at 900ft, Solid Overcast at 2300ft
Current Conditions at
DECATUR - (KDEC)
48°
Feels like 42°F
Cloudy
as of 10:54 AM CST
Rel. Humidity: 81%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 29.69 in.
Flight Rule: MVFR
Wind Data
14 MPH
Gust: 24 MPH
260° West
Cloud Level(s): Solid Overcast at 2300ft
Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
48°
Feels like 41°F
Cloudy
as of 10:55 AM CST
Rel. Humidity: 87%
Dew Point: 45°F
Visibility: 7 Miles
Pressure: 29.69 in.
Flight Rule: MVFR
Wind Data
21 MPH
Gust: 24 MPH
270° West
Cloud Level(s): Solid Overcast at 1100ft
Mostly Cloudy on Today Today... Mostly cloudy, with a high near 51. West wind 10 to 17 mph, with gusts as high as 29 mph.
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 33. West northwest wind 5 to 9 mph, with gusts as high as 16 mph.
Clearing on Wednesday Wednesday... Mostly cloudy through mid morning, then gradual clearing, with a high near 53. West wind 5 to 9 mph becoming south in the afternoon.
Increasing Clouds on Wednesday Night Wednesday Night... Increasing clouds, with a low around 40. South wind 8 to 11 mph, with gusts as high as 18 mph.
90% chance of rain Thursday Thursday... Rain. High near 60. South wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
70% chance of rain Thursday Night Thursday Night... Rain likely, mainly before midnight. Mostly cloudy, with a low around 45. Southwest wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
40% chance of rain Friday Friday... A 40 percent chance of rain. Mostly cloudy, with a high near 53. West northwest wind around 11 mph, with gusts as high as 17 mph.
40% chance of rain Friday Night Friday Night... A 40 percent chance of rain. Mostly cloudy, with a low around 33.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 42.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 22.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 34.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 22.
Sunny on Monday Monday... Sunny, with a high near 44.
Current Radar Image


Sun Almanac for Fillmore, Illinois
Sunrise: 07:15 AM
Sunset: 4:44 PM
Civil Sunrise:06:45 AM
Civil Sunset: 5:14 PM
Nautical Sunrise: 06:11 AM
Nautical Sunset: 5:48 PM
Astro Sunrise: 05:38 AM
Astro Sunset: 6:21 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.