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Fillmore, Illinois Weather Forecast
Fillmore, Illinois Weather
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Weather Forecast for Fillmore, Illinois : Douglas County
Issued: 3:42 am CST Dec 31, 2025 Latitude: 39.7133661 Longitude: -88.3811627 View on Google Maps

MouseOver for Detail Forecast
Today Tonight New Year's Day Friday Saturday Sunday Monday Tuesday
Mostly Cloudy on Today Mostly Cloudy on Tonight Sunny on New Year's Day Partly Sunny on Friday Partly Sunny on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday
High: 38°F Low: 16°F High: 29°F High: 35°F High: 34°F High: 38°F High: 48°F High: 45°F
Low: 19°F Low: 19°F Low: 18°F Low: 28°F Low: 30°F  
Mostly Cloudy Mostly Cloudy Sunny Partly Sunny Partly Sunny Mostly Sunny Mostly Sunny Partly Sunny
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Current Conditions at
MATTOON - (KMTO)
30°
Cloudy
as of 4:53 AM CST
Rel. Humidity: 68%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
7 MPH
270° West
Cloud Level(s): Solid Overcast at 4200ft
Current Conditions at
CHAMPAIGN - (KCMI)
30°
Feels like 21°F
Cloudy
as of 4:53 AM CST
Rel. Humidity: 86%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
9 MPH
280° West
Cloud Level(s): Solid Overcast at 3600ft
Current Conditions at
DECATUR - (KDEC)
30°
Mostly Cloudy
as of 5:29 AM CST
Rel. Humidity: 80%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: MVFR
Wind Data
6 MPH
260° West
Cloud Level(s): Broken at 1700ft
Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
30°
Cloudy
as of 5:15 AM CST
Rel. Humidity: 68%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 4400ft
Mostly Cloudy on Today Today... Mostly cloudy, with a high near 38. West wind 9 to 15 mph, with gusts as high as 24 mph.

Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 16. West wind around 11 mph becoming north after midnight. Winds could gust as high as 20 mph.

Sunny on New Year's Day New Year's Day... Sunny, with a high near 29. North wind 5 to 9 mph becoming calm in the afternoon.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 19. Calm wind.

Partly Sunny on Friday Friday... Partly sunny, with a high near 35. Calm wind becoming north around 6 mph in the afternoon.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 19. North northeast wind around 6 mph.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 34. North northeast wind 3 to 6 mph.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 18.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 38.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 28.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 48.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 30.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 45.

Current Radar Image


Sun Almanac for Fillmore, Illinois
Sunrise: 07:14 AM
Sunset: 4:39 PM
Civil Sunrise:06:44 AM
Civil Sunset: 5:09 PM
Nautical Sunrise: 06:10 AM
Nautical Sunset: 5:43 PM
Astro Sunrise: 05:38 AM
Astro Sunset: 6:16 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.