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Fillmore, Illinois Weather Forecast
Fillmore, Illinois Weather
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Weather Forecast for Fillmore, Illinois : Douglas County
Issued: 2:07 pm CST Jan 8, 2026 Latitude: 39.7133661 Longitude: -88.3811627 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Friday Saturday Sunday Monday Tuesday Wednesday
70% chance of rain on This Afternoon 90% chance of thunderstorms on Tonight Mostly Cloudy on Friday 40% chance of rain on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday Mostly Cloudy on Wednesday
High: 64°F Low: 44°F High: 51°F High: 42°F High: 31°F High: 43°F High: 48°F High: 38°F
Low: 36°F Low: 20°F Low: 21°F Low: 31°F Low: 32°F  
Rain Thunderstorms Mostly Cloudy Rain Mostly Sunny Mostly Sunny Partly Sunny Mostly Cloudy
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Current Conditions at
MATTOON - (KMTO)
57°
Cloudy
as of 2:53 PM CST
Rel. Humidity: 87%
Dew Point: 54°F
Visibility: 7 Miles
Pressure: 29.68 in.
Flight Rule: MVFR
Wind Data
22 MPH
Gust: 38 MPH
150° Southeast
Cloud Level(s): Solid Overcast at 1000ft
Current Conditions at
CHAMPAIGN - (KCMI)
55°
Cloudy
as of 2:53 PM CST
Rel. Humidity: 87%
Dew Point: 52°F
Visibility: 7 Miles
Pressure: 29.66 in.
Flight Rule: VFR
Wind Data
20 MPH
130° Southeast
Cloud Level(s): Few at 6000ft, Scattered at 7500ft, Solid Overcast at 9500ft
Current Conditions at
DECATUR - (KDEC)
55°
Cloudy
Mist
as of 2:54 PM CST
Rel. Humidity: 93%
Dew Point: 54°F
Visibility: 5 Miles
Pressure: 29.66 in.
Flight Rule: IFR
Wind Data
15 MPH
Gust: 28 MPH
170° South
Cloud Level(s): Solid Overcast at 900ft
Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
57°
Mostly Cloudy
as of 2:55 PM CST
Rel. Humidity: 82%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.72 in.
Flight Rule: VFR
Wind Data
23 MPH
Gust: 28 MPH
150° Southeast
Cloud Level(s): Broken at 9500ft, Broken at 12000ft
70% chance of rain This Afternoon This Afternoon... Rain likely, mainly after 5pm. Cloudy, with a high near 64. Breezy, with a south southeast wind around 22 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
90% chance of thunderstorms Tonight Tonight... Rain and thunderstorms before 3am, then a chance of rain. Low around 44. Breezy, with a south southeast wind 21 to 26 mph becoming west southwest after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 51. Breezy, with a west wind 15 to 20 mph becoming north 6 to 11 mph in the afternoon. Winds could gust as high as 30 mph.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 36. East wind 3 to 5 mph.
40% chance of rain Saturday Saturday... A 40 percent chance of rain before noon. Partly sunny, with a high near 42. West northwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 20. West northwest wind 11 to 17 mph, with gusts as high as 26 mph.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 31. West northwest wind 8 to 18 mph, with gusts as high as 26 mph.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 21.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 43.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 31.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 48.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 32.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 38.
Current Radar Image


Sun Almanac for Fillmore, Illinois
Sunrise: 07:14 AM
Sunset: 4:46 PM
Civil Sunrise:06:45 AM
Civil Sunset: 5:16 PM
Nautical Sunrise: 06:11 AM
Nautical Sunset: 5:50 PM
Astro Sunrise: 05:38 AM
Astro Sunset: 6:22 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.