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Fillmore, Illinois Weather Forecast
Fillmore, Illinois Weather
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Weather Forecast for Fillmore, Illinois : Douglas County
Issued: 5:36 am CST Dec 4, 2025 Latitude: 39.7133661 Longitude: -88.3811627 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Friday Saturday Sunday Monday Tuesday Wednesday
Mostly Sunny on Today Fog on Tonight Mostly Sunny on Friday Mostly Cloudy on Saturday Mostly Cloudy on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday 20% chance of rain on Wednesday
High: 17°F Low: 2 °F High: 31°F High: 32°F High: 29°F High: 24°F High: 36°F High: 37°F
Low: 21°F Low: 20°F Low: 9°F Low: 14°F Low: 25°F  
Mostly Sunny Fog Mostly Sunny Mostly Cloudy Mostly Cloudy Mostly Sunny Partly Sunny Rain
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Current Conditions at
MATTOON - (KMTO)
16°
Feels like 1°F
Clear
as of 5:53 AM CST
Rel. Humidity: 72%
Dew Point: 9°F
Visibility: 10 Miles
Pressure: 30.33 in.
Flight Rule: VFR
Wind Data
14 MPH
0° North
Cloud Level(s): Clear
Current Conditions at
CHAMPAIGN - (KCMI)
12°
Feels like -3°F
Clear
as of 5:53 AM CST
Rel. Humidity: 66%
Dew Point: 3°F
Visibility: 10 Miles
Pressure: 30.34 in.
Flight Rule: VFR
Wind Data
14 MPH
0° North
Cloud Level(s): Clear
Current Conditions at
DECATUR - (KDEC)
12°
Feels like 0°F
Clear
as of 5:54 AM CST
Rel. Humidity: 78%
Dew Point: 7°F
Visibility: 10 Miles
Pressure: 30.37 in.
Flight Rule: VFR
Wind Data
9 MPH
350° North
Cloud Level(s): Clear
Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
18°
Clear
as of 5:55 AM CST
Rel. Humidity: 72%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.33 in.
Flight Rule: VFR
Wind Data
7 MPH
350° North
Cloud Level(s): Clear
Mostly Sunny on Today Today... Mostly sunny, with a high near 17. Wind chill values between -3 and 7. North northeast wind 5 to 10 mph, with gusts as high as 16 mph.

Fog on Tonight Tonight... Patchy freezing fog after 8pm. Partly cloudy, with a low around 2. Wind chill values between -3 and -8. North northeast wind around 5 mph becoming light and variable.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 31. Wind chill values between -1 and 9. South southwest wind 3 to 7 mph.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 21. South wind around 7 mph becoming west southwest after midnight.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 32. West southwest wind around 6 mph becoming light and variable in the afternoon.

Cloudy on Saturday Night Saturday Night... Cloudy, with a low around 20. Northeast wind 3 to 6 mph.

Mostly Cloudy on Sunday Sunday... Mostly cloudy, with a high near 29. North northeast wind 6 to 9 mph.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 9.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 24.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 14.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 36.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 25.

20% chance of rain Wednesday Wednesday... A chance of rain. Mostly cloudy, with a high near 37.

Current Radar Image


Sun Almanac for Fillmore, Illinois
Sunrise: 06:59 AM
Sunset: 4:29 PM
Civil Sunrise:06:29 AM
Civil Sunset: 4:59 PM
Nautical Sunrise: 05:55 AM
Nautical Sunset: 5:33 PM
Astro Sunrise: 05:23 AM
Astro Sunset: 6:05 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.