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Fillmore, Illinois Weather Forecast
Fillmore, Illinois Weather
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Weather Forecast for Fillmore, Illinois : Douglas County
Issued: 4:37 am CST Dec 28, 2025 Latitude: 39.7133661 Longitude: -88.3811627 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday New Year's Day Friday Saturday
30% chance of rain on Overnight 80% chance of thunderstorms on Sunday 20% chance of snow on Monday Mostly Sunny on Tuesday Partly Sunny on Wednesday Mostly Sunny on New Year's Day Mostly Sunny on Friday Partly Sunny on Saturday
Low: 62°F High: 66°F High: 24°F High: 29°F High: 37°F High: 32°F High: 36°F High: 42°F
Low: 17°F Low: 13°F Low: 23°F Low: 21°F Low: 15°F Low: 25°F  
Rain Thunderstorms Snow Mostly Sunny Partly Sunny Mostly Sunny Mostly Sunny Partly Sunny
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Current Conditions at
MATTOON - (KMTO)
Clear
as of 4:53 AM CST
Pressure: 29.72 in.
Wind Data
Calm
Current Conditions at
CHAMPAIGN - (KCMI)
61°
Mostly Cloudy
Mist
as of 5:10 AM CST
Rel. Humidity: 93%
Dew Point: 59°F
Visibility: 5 Miles
Pressure: 29.70 in.
Flight Rule: MVFR
Wind Data
12 MPH
170° South
Cloud Level(s): Scattered at 900ft, Broken at 12000ft
Current Conditions at
DECATUR - (KDEC)
61°
Mostly Clear
Mist
as of 4:54 AM CST
Rel. Humidity: 100%
Dew Point: 61°F
Visibility: 6 Miles
Pressure: 29.69 in.
Flight Rule: VFR
Wind Data
13 MPH
180° South
Cloud Level(s): Few at 1200ft
Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
61°
Cloudy
as of 5:15 AM CST
Rel. Humidity: 93%
Dew Point: 59°F
Visibility: 7 Miles
Pressure: 29.74 in.
Flight Rule: MVFR
Wind Data
9 MPH
170° South
Cloud Level(s): Solid Overcast at 2000ft
30% chance of rain Overnight Overnight... A 30 percent chance of showers. Cloudy, with a steady temperature around 62. South southwest wind around 11 mph, with gusts as high as 23 mph.
80% chance of thunderstorms Sunday Sunday... Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 66. Breezy, with a south southwest wind 13 to 18 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
40% chance of snow Sunday Night Sunday Night... A chance of rain showers before 8pm, then a chance of flurries after midnight. Mostly cloudy, with a low around 17. Wind chill values between zero and 10. Breezy, with a west wind 26 to 29 mph, with gusts as high as 46 mph. Chance of precipitation is 40%.
20% chance of snow Monday Monday... A chance of flurries before noon. Partly sunny, with a high near 24. Wind chill values between -2 and 8. Windy, with a west northwest wind 20 to 30 mph, with gusts as high as 46 mph.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 13. West northwest wind 13 to 17 mph, with gusts as high as 26 mph.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 29. West wind 10 to 13 mph, with gusts as high as 20 mph.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 23. West southwest wind 9 to 11 mph, with gusts as high as 18 mph.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 37.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 21.
Mostly Sunny on New Year's Day New Year's Day... Mostly sunny, with a high near 32.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 15.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 36.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 25.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 42.
Current Radar Image


Sun Almanac for Fillmore, Illinois
Sunrise: 07:14 AM
Sunset: 4:37 PM
Civil Sunrise:06:43 AM
Civil Sunset: 5:07 PM
Nautical Sunrise: 06:10 AM
Nautical Sunset: 5:41 PM
Astro Sunrise: 05:37 AM
Astro Sunset: 6:14 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.