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Fillmore, Illinois Weather Forecast
Fillmore, Illinois Weather
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Weather Forecast for Fillmore, Illinois : Douglas County
Issued: 7:21 am CST Jan 7, 2026 Latitude: 39.7133661 Longitude: -88.3811627 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
Morning Fog on Today Increasing Clouds on Tonight 80% chance of rain on Thursday Partly Sunny on Friday 40% chance of rain on Saturday Mostly Sunny on Sunday Sunny on Monday Mostly Sunny on Tuesday
High: 53°F Low: 39°F High: 62°F High: 58°F High: 44°F High: 30°F High: 41°F High: 45°F
Low: 51°F Low: 38°F Low: 22°F Low: 19°F Low: 27°F  
Morning Fog Increasing Clouds Rain Partly Sunny Rain Mostly Sunny Sunny Mostly Sunny
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Current Conditions at
MATTOON - (KMTO)
34°
Cloudy
Fog
as of 7:53 AM CST
Rel. Humidity: 100%
Dew Point: 34°F
Visibility: Less than 1/4 Miles
Pressure: 29.95 in.
Flight Rule: LIFR
Wind Data
3 MPH
120° Southeast
Current Conditions at
CHAMPAIGN - (KCMI)
34°
Cloudy
Fog
as of 8:04 AM CST
Rel. Humidity: 100%
Dew Point: 34°F
Visibility: 1/4 Miles
Pressure: 29.95 in.
Flight Rule: LIFR
Wind Data
5 MPH
190° South
Cloud Level(s): Solid Overcast at 100ft
Current Conditions at
DECATUR - (KDEC)
34°
Clear
Fog
as of 7:54 AM CST
Rel. Humidity: 93%
Dew Point: 32°F
Visibility: Less than 1/4 Miles
Pressure: 29.96 in.
Flight Rule: LIFR
Wind Data
7 MPH
170° South
Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
37°
Cloudy
Mist
as of 7:55 AM CST
Rel. Humidity: 93%
Dew Point: 36°F
Visibility: 4 Miles
Pressure: 29.97 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 700ft
Morning Fog on Today Today... Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 53. Light southwest wind becoming south southwest 5 to 9 mph in the morning.

Increasing Clouds on Tonight Tonight... Increasing clouds, with a low around 39. South wind 8 to 11 mph, with gusts as high as 20 mph.

80% chance of rain Thursday Thursday... Rain, mainly after 4pm. High near 62. Breezy, with a south southeast wind 11 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

90% chance of rain Thursday Night Thursday Night... Rain, mainly before midnight. Low around 51. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Partly Sunny on Friday Friday... Partly sunny, with a high near 58. Southwest wind 8 to 14 mph becoming north in the afternoon. Winds could gust as high as 22 mph.

50% chance of rain Friday Night Friday Night... A 50 percent chance of rain after midnight. Mostly cloudy, with a low around 38. Northeast wind 7 to 9 mph.

40% chance of rain Saturday Saturday... A 40 percent chance of rain. Partly sunny, with a high near 44. West wind 10 to 18 mph, with gusts as high as 26 mph.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 22.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 30.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 19.

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

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 27.

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

Current Radar Image


Sun Almanac for Fillmore, Illinois
Sunrise: 07:15 AM
Sunset: 4:45 PM
Civil Sunrise:06:45 AM
Civil Sunset: 5:15 PM
Nautical Sunrise: 06:11 AM
Nautical Sunset: 5:49 PM
Astro Sunrise: 05:38 AM
Astro Sunset: 6:21 PM
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