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Fillmore, Illinois Weather Forecast
Fillmore, Illinois Weather
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Weather Forecast for Fillmore, Illinois : Douglas County
Issued: 3:16 am CST Dec 26, 2025 Latitude: 39.7133661 Longitude: -88.3811627 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Saturday Sunday Monday Tuesday Wednesday New Year's Day
Morning Fog on Today Morning Fog on Tonight Mostly Cloudy on Saturday 90% chance of rain on Sunday Mostly Sunny on Monday Sunny on Tuesday Mostly Sunny on Wednesday Mostly Sunny on New Year's Day
High: 63°F Low: 41°F High: 54°F High: 66°F High: 25°F High: 30°F High: 34°F High: 29°F
Low: 60 °F Low: 19°F Low: 15°F Low: 21°F Low: 15°F  
Morning Fog Morning Fog Mostly Cloudy Rain Mostly Sunny Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
CHAMPAIGN - (KCMI)
59°
Cloudy
as of 6:53 AM CST
Rel. Humidity: 93%
Dew Point: 57°F
Visibility: 8 Miles
Pressure: 29.70 in.
Flight Rule: MVFR
Wind Data
16 MPH
210° Southwest
Cloud Level(s): Broken at 1200ft, Solid Overcast at 1900ft
Current Conditions at
DECATUR - (KDEC)
59°
Cloudy
as of 6:54 AM CST
Rel. Humidity: 93%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 29.71 in.
Flight Rule: VFR
Wind Data
13 MPH
220° Southwest
Cloud Level(s): Scattered at 2600ft, Solid Overcast at 3500ft
Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
59°
Cloudy
as of 7:15 AM CST
Rel. Humidity: 100%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 29.73 in.
Flight Rule: MVFR
Wind Data
14 MPH
Gust: 20 MPH
220° Southwest
Cloud Level(s): Scattered at 1400ft, Solid Overcast at 2300ft
Morning Fog on Today Today... Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 63. Southwest wind 9 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph.
Morning Fog on Tonight Tonight... Patchy fog between midnight and 1am. Otherwise, mostly cloudy, with a low around 41. North northwest wind 5 to 7 mph becoming light and variable.
Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 54. Southeast wind 6 to 13 mph, with gusts as high as 18 mph.
40% chance of rain Saturday Night Saturday Night... A 40 percent chance of rain after midnight. Cloudy, with a temperature rising to around 60 by 5am. South southwest wind around 11 mph, with gusts as high as 20 mph.
90% chance of rain Sunday Sunday... Rain likely before noon, then showers after noon. High near 66. South southwest wind 10 to 14 mph becoming west in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
70% chance of rain Sunday Night Sunday Night... Showers likely before 9pm, then rain likely between 9pm and midnight. Mostly cloudy, with a low around 19. Blustery, with a west northwest wind 14 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 25. Blustery, with a west northwest wind 17 to 25 mph, with gusts as high as 37 mph.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 15.
Sunny on Tuesday Tuesday... Sunny, with a high near 30.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 21.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 34.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 15.
Mostly Sunny on New Year's Day New Year's Day... Mostly sunny, with a high near 29.
Current Radar Image


Sun Almanac for Fillmore, Illinois
Sunrise: 07:13 AM
Sunset: 4:35 PM
Civil Sunrise:06:43 AM
Civil Sunset: 5:06 PM
Nautical Sunrise: 06:09 AM
Nautical Sunset: 5:40 PM
Astro Sunrise: 05:36 AM
Astro Sunset: 6:12 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.