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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 16, 2025 Latitude: 39.7133661 Longitude: -88.3811627 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thursday Friday Saturday Sunday Monday
Sunny on Today Morning Fog on Tonight Morning Fog on Wednesday 90% chance of rain & snow on Thursday Mostly Sunny on Friday Partly Sunny on Saturday Mostly Sunny on Sunday Partly Sunny on Monday
High: 36°F Low: 28°F High: 38°F High: 48 °F High: 30°F High: 47°F High: 40°F High: 41°F
Low: 33 °F Low: 14°F Low: 23°F Low: 26°F Low: 26°F  
Sunny Morning Fog Morning Fog Rain & Snow Mostly Sunny Partly Sunny Mostly Sunny Partly Sunny
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Current Conditions at
MATTOON - (KMTO)
25°
Clear
as of 4:53 AM CST
Rel. Humidity: 58%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
8 MPH
190° South
Cloud Level(s): Clear
Current Conditions at
CHAMPAIGN - (KCMI)
18°
Feels like 5°F
Clear
as of 4:53 AM CST
Rel. Humidity: 72%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
10 MPH
190° South
Cloud Level(s): Clear
Current Conditions at
DECATUR - (KDEC)
25°
Feels like 14°F
Clear
as of 4:54 AM CST
Rel. Humidity: 68%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
10 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
23°
Feels like 12°F
Clear
as of 5:35 AM CST
Rel. Humidity: 67%
Dew Point: 14°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
10 MPH
210° Southwest
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 36. South southwest wind 8 to 10 mph, with gusts as high as 18 mph.

Morning Fog on Tonight Tonight... Patchy freezing fog after 4am. Mostly cloudy, with a low around 28. South wind 7 to 11 mph, with gusts as high as 20 mph.

Morning Fog on Wednesday Wednesday... Patchy freezing fog before 10am. Mostly sunny, with a high near 38. Calm wind becoming southeast 5 to 7 mph in the afternoon.

40% chance of rain Wednesday Night Wednesday Night... A 40 percent chance of rain after midnight. Increasing clouds, with a temperature falling to near 33 by 9pm, then rising to around 43 during the remainder of the night. South wind 8 to 18 mph, with gusts as high as 28 mph.

90% chance of rain & snow Thursday Thursday... Rain before 3pm, then a chance of rain and snow. Temperature rising to near 48 by 9am, then falling to around 36 during the remainder of the day. Breezy, with a south wind 17 to 22 mph becoming west in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 14. Blustery, with a west northwest wind 14 to 20 mph, with gusts as high as 30 mph.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 30. West northwest wind 7 to 13 mph becoming south in the afternoon. Winds could gust as high as 17 mph.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 23.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 47.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 26.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 40.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 26.

Partly Sunny on Monday Monday... Partly sunny, with a high near 41.

Current Radar Image


Sun Almanac for Fillmore, Illinois
Sunrise: 07:08 AM
Sunset: 4:30 PM
Civil Sunrise:06:38 AM
Civil Sunset: 5:01 PM
Nautical Sunrise: 06:04 AM
Nautical Sunset: 5:35 PM
Astro Sunrise: 05:31 AM
Astro Sunset: 6:08 PM
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