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Fillmore, Illinois Weather Forecast
Fillmore, Illinois Weather
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Weather Forecast for Fillmore, Illinois : Douglas County
Issued: 6:36 pm CST Dec 4, 2025 Latitude: 39.7133661 Longitude: -88.3811627 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
Fog on Tonight Morning Fog on Friday Mostly Cloudy on Saturday 40% chance of snow on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday 20% chance of rain on Wednesday Partly Sunny on Thursday
Low: 3 °F High: 30°F High: 31°F High: 30°F High: 25°F High: 35°F High: 38°F High: 27°F
Low: 22°F Low: 21°F Low: 8 °F Low: 14°F Low: 25°F Low: 16°F  
Fog Morning Fog Mostly Cloudy Snow Mostly Sunny Partly Sunny Rain Partly Sunny
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Current Conditions at
MATTOON - (KMTO)
10°
Clear
as of 6:53 PM CST
Rel. Humidity: 78%
Dew Point: 5°F
Visibility: 10 Miles
Pressure: 30.26 in.
Flight Rule: VFR
Wind Data
6 MPH
010° North
Cloud Level(s): Clear
Current Conditions at
CHAMPAIGN - (KCMI)
Clear
as of 6:53 PM CST
Rel. Humidity: 84%
Dew Point: 3°F
Visibility: 10 Miles
Pressure: 30.26 in.
Flight Rule: VFR
Wind Data
6 MPH
050° Northeast
Cloud Level(s): Clear
Current Conditions at
DECATUR - (KDEC)
Clear
as of 6:54 PM CST
Rel. Humidity: 71%
Dew Point: -0°F
Visibility: 10 Miles
Pressure: 30.28 in.
Flight Rule: VFR
Wind Data
5 MPH
040° Northeast
Cloud Level(s): Clear
Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
14°
Clear
as of 6:55 PM CST
Rel. Humidity: 72%
Dew Point: 7°F
Visibility: 10 Miles
Pressure: 30.28 in.
Flight Rule: VFR
Wind Data
6 MPH
030° Northeast
Cloud Level(s): Clear
Fog on Tonight Tonight... Patchy freezing fog after 9pm. Partly cloudy, with a low around 3. Wind chill values between -4 and 1. Northeast wind around 5 mph becoming calm in the evening.

Morning Fog on Friday Friday... Patchy freezing fog before 9am. Mostly sunny, with a high near 30. Wind chill values between 1 and 11. Light south wind becoming south southwest 5 to 9 mph in the morning.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 22. South wind 6 to 8 mph becoming west after midnight.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 31. West wind around 6 mph becoming calm in the afternoon.

30% chance of snow Saturday Night Saturday Night... A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 21. Calm wind becoming east around 6 mph after midnight.

40% chance of snow Sunday Sunday... A 40 percent chance of snow before noon. Mostly cloudy, with a high near 30. East wind 6 to 10 mph becoming north in the afternoon. Winds could gust as high as 16 mph.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 8. North wind 5 to 9 mph.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 25.

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 35.

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 38.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 16.

Partly Sunny on Thursday Thursday... Partly sunny, with a high near 27.

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.