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Fillmore, Illinois Weather Forecast
Fillmore, Illinois Weather
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Weather Forecast for Fillmore, Illinois : Douglas County
Issued: 3:15 pm CST Dec 11, 2025 Latitude: 39.7133661 Longitude: -88.3811627 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
50% chance of snow on This Afternoon 100% chance of snow on Tonight Mostly Cloudy on Friday 90% chance of snow on Saturday Sunny on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday Mostly Cloudy on Wednesday 20% chance of rain on Thursday
High: 30°F Low: 24°F High: 32°F High: 17°F High: 4 °F High: 24°F High: 36°F High: 46°F High: 47°F
Low: 12°F Low: -7°F Low: -10°F Low: 16°F Low: 28°F Low: 35°F  
Snow Snow Mostly Cloudy Snow Sunny Mostly Sunny Mostly Sunny Mostly Cloudy Rain
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Current Conditions at
MATTOON - (KMTO)
27°
Cloudy
Light Snow Mist
as of 4:42 PM CST
Rel. Humidity: 92%
Dew Point: 25°F
Visibility: 1 1/4 Miles
Pressure: 29.96 in.
Flight Rule: IFR
Wind Data
5 MPH
100° East
Cloud Level(s): Solid Overcast at 2000ft
Current Conditions at
CHAMPAIGN - (KCMI)
27°
Cloudy
Light Snow Mist
as of 4:40 PM CST
Rel. Humidity: 86%
Dew Point: 23°F
Visibility: 1 1/2 Miles
Pressure: 29.98 in.
Flight Rule: IFR
Wind Data
6 MPH
130° Southeast
Cloud Level(s): Solid Overcast at 1900ft
Current Conditions at
DECATUR - (KDEC)
27°
Mostly Cloudy
Light Snow Mist
as of 4:32 PM CST
Rel. Humidity: 92%
Dew Point: 25°F
Visibility: 1 Miles
Pressure: 29.97 in.
Flight Rule: IFR
Wind Data
6 MPH
120° Southeast
Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
28°
Cloudy
as of 4:35 PM CST
Rel. Humidity: 74%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 2800ft
50% chance of snow This Afternoon This Afternoon... A 50 percent chance of snow. Cloudy, with a high near 30. South southeast wind around 5 mph.
100% chance of snow Tonight Tonight... Snow, mainly before 3am. The snow could be heavy at times. Low around 24. Southeast wind 5 to 9 mph becoming northeast after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 32. Northeast wind 7 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 17 mph.
Cloudy on Friday Night Friday Night... Cloudy, with a low around 12. Wind chill values between 1 and 6. West northwest wind 8 to 10 mph, with gusts as high as 18 mph.
90% chance of snow Saturday Saturday... Snow. The snow could be heavy at times. High near 17. North northwest wind 8 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Clearing on Saturday Night Saturday Night... Cloudy during the early evening, then gradual clearing, with a low around -7. Northwest wind around 10 mph, with gusts as high as 17 mph.
Sunny on Sunday Sunday... Sunny and cold, with a high near 4. Northwest wind 5 to 10 mph becoming light west northwest in the afternoon. Winds could gust as high as 17 mph.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around -10.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 24.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 16.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 36.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 28.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 46.
20% chance of rain Wednesday Night Wednesday Night... A chance of rain. Mostly cloudy, with a low around 35.
20% chance of rain Thursday Thursday... A chance of rain. Partly sunny, with a high near 47.
Current Radar Image


Sun Almanac for Fillmore, Illinois
Sunrise: 07:05 AM
Sunset: 4:29 PM
Civil Sunrise:06:34 AM
Civil Sunset: 4:59 PM
Nautical Sunrise: 06:01 AM
Nautical Sunset: 5:33 PM
Astro Sunrise: 05:28 AM
Astro Sunset: 6:06 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.