National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Overcast

53°F

12°C

Humidity 80%
Wind Speed W 7 mph
Barometer 29.91 in (1013.0 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 5 Nov 5:53 pm CST
Extended Forecast for

Arthur IL

  • Tonight

    Tonight: A chance of showers or drizzle before 1am, then a chance of rain between 1am and 3am. Cloudy, with a low around 41. West wind 6 to 14 mph becoming north northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 30%.

    Low: 41 °F

    Chance
    Showers

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 50. North northwest wind 10 to 15 mph, with gusts as high as 21 mph.

    High: 50 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 29. North northwest wind 3 to 8 mph.

    Low: 29 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 53. Northwest wind 3 to 6 mph.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29. Light west southwest wind.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 61. West southwest wind 3 to 8 mph.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 33. West southwest wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

Detailed Forecast

Tonight
A chance of showers or drizzle before 1am, then a chance of rain between 1am and 3am. Cloudy, with a low around 41. West wind 6 to 14 mph becoming north northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 30%.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 50. North northwest wind 10 to 15 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 29. North northwest wind 3 to 8 mph.
Saturday
Sunny, with a high near 53. Northwest wind 3 to 6 mph.
Saturday Night
Mostly clear, with a low around 29. Light west southwest wind.
Sunday
Sunny, with a high near 61. West southwest wind 3 to 8 mph.
Sunday Night
Clear, with a low around 33. West southwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 67.
Monday Night
Clear, with a low around 37.
Tuesday
Sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 34.
Veterans Day
Sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arthur IL
 39.71°N 88.46°W (Elev. 663 ft)
Last Update:
5:21 pm CST Nov 5, 2026
Forecast Valid:
6pm CST Nov 5, 2026-6pm CST Nov 12, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation