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Arthur, Illinois Weather Forecast
Arthur, Illinois Weather
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Weather Forecast for Arthur, Illinois : Douglas County
Issued: 5:36 pm CST Dec 21, 2025 Latitude: 39.7147552 Longitude: -88.472278 View on Google Maps

MouseOver for Detail Forecast
Tonight Monday Tuesday Wednesday Christmas Day Friday Saturday Sunday
Mostly Clear on Tonight Partly Sunny on Monday Mostly Sunny on Tuesday Cloudy on Wednesday Partly Sunny on Christmas Day Sunny on Friday Mostly Cloudy on Saturday Sunny on Sunday
Low: 27°F High: 47°F High: 57°F High: 58°F High: 67°F High: 61°F High: 55°F High: 37°F
Low: 40°F Low: 37°F Low: 56°F Low: 50°F Low: 40°F Low: 26°F  
Mostly Clear Partly Sunny Mostly Sunny Cloudy Partly Sunny Sunny Mostly Cloudy Sunny
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Current Conditions at
MATTOON - (KMTO)
36°
Clear
as of 4:53 PM CST
Rel. Humidity: 47%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.44 in.
Flight Rule: VFR
Wind Data
5 MPH
130° Southeast
Cloud Level(s): Clear
Current Conditions at
DECATUR - (KDEC)
34°
Clear
as of 4:54 PM CST
Rel. Humidity: 59%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.45 in.
Flight Rule: VFR
Wind Data
6 MPH
120° Southeast
Cloud Level(s): Clear
Current Conditions at
CHAMPAIGN - (KCMI)
32°
Clear
as of 4:53 PM CST
Rel. Humidity: 68%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.45 in.
Flight Rule: VFR
Wind Data
7 MPH
130° Southeast
Cloud Level(s): Clear
Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
30°
Clear
as of 5:15 PM CST
Rel. Humidity: 80%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.47 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 27. Southeast wind 5 to 9 mph, with gusts as high as 17 mph.
Partly Sunny on Monday Monday... Partly sunny, with a high near 47. South wind 10 to 14 mph, with gusts as high as 24 mph.
Partly Cloudy on Monday Night Monday Night... Cloudy, then gradually becoming partly cloudy, with a low around 40. South southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 57. Southwest wind 5 to 9 mph becoming north northwest in the afternoon. Winds could gust as high as 15 mph.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 37. Light and variable wind becoming east southeast 5 to 7 mph after midnight.
Cloudy on Wednesday Wednesday... Cloudy, with a high near 58. East southeast wind 7 to 10 mph becoming south in the afternoon. Winds could gust as high as 18 mph.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 56. Southwest wind around 10 mph, with gusts as high as 17 mph.
Partly Sunny on Christmas Day Christmas Day... Partly sunny, with a high near 67.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 50.
Sunny on Friday Friday... Sunny, with a high near 61.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 40.
Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 55.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 26.
Sunny on Sunday Sunday... Sunny, with a high near 37.
Current Radar Image


Sun Almanac for Arthur, Illinois
Sunrise: 07:12 AM
Sunset: 4:33 PM
Civil Sunrise:06:41 AM
Civil Sunset: 5:03 PM
Nautical Sunrise: 06:07 AM
Nautical Sunset: 5:37 PM
Astro Sunrise: 05:34 AM
Astro Sunset: 6:10 PM
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