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.

Fair

62°F

17°C

Humidity 78%
Wind Speed S 9 mph
Barometer 29.87 in (1011.0 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 14 Nov 10:53 pm CST
Extended Forecast for

Arthur IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. South southwest wind 11 to 13 mph, with gusts as high as 23 mph.

    Low: 56 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 74. South southwest wind 13 to 18 mph becoming west northwest in the afternoon. Winds could gust as high as 29 mph.

    High: 74 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37. North northwest wind 7 to 10 mph, with gusts as high as 17 mph.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 55. Northwest wind 6 to 9 mph.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30. Northwest wind around 5 mph becoming calm in the evening.

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 55. Light and variable wind becoming east southeast 5 to 8 mph in the morning.

    High: 55 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Rain likely. Cloudy, with a low around 38. East wind 7 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain Likely

  • Tuesday

    Tuesday: A 30 percent chance of rain before noon. Mostly cloudy, with a high near 52.

    High: 52 °F

    Chance Rain
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 56. South southwest wind 11 to 13 mph, with gusts as high as 23 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 74. South southwest wind 13 to 18 mph becoming west northwest in the afternoon. Winds could gust as high as 29 mph.
Saturday Night
Mostly clear, with a low around 37. North northwest wind 7 to 10 mph, with gusts as high as 17 mph.
Sunday
Sunny, with a high near 55. Northwest wind 6 to 9 mph.
Sunday Night
Mostly clear, with a low around 30. Northwest wind around 5 mph becoming calm in the evening.
Monday
Increasing clouds, with a high near 55. Light and variable wind becoming east southeast 5 to 8 mph in the morning.
Monday Night
Rain likely. Cloudy, with a low around 38. East wind 7 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
A 30 percent chance of rain before noon. Mostly cloudy, with a high near 52.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 54.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 39.
Thursday
Rain likely. Mostly cloudy, with a high near 59.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 41.
Friday
A chance of rain. Partly sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arthur IL
 39.71°N 88.46°W (Elev. 663 ft)
Last Update:
9:36 pm CST Nov 14, 2025
Forecast Valid:
11pm CST Nov 14, 2025-6pm CST Nov 21, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation