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

Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

67°F

19°C

Humidity 84%
Wind Speed S 16 G 24 mph
Barometer 29.87 in (1010.9 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 2 Apr 11:53 pm CDT
Extended Forecast for

Arthur IL

  • Overnight

    Overnight: A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am. Mostly cloudy, with a low around 57. West southwest wind 9 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.

    Low: 57 °F

    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly cloudy, with a high near 76. South wind 6 to 14 mph, with gusts as high as 21 mph.

    High: 76 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 56. South wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 56 °F

    Showers
    Likely then
    T-storms

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 65. West wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 65 °F

    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 37. West northwest wind 11 to 15 mph, with gusts as high as 23 mph.

    Low: 37 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 53. West northwest wind 13 to 16 mph, with gusts as high as 24 mph.

    High: 53 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. West wind 6 to 10 mph, with gusts as high as 15 mph.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am. Mostly cloudy, with a low around 57. West southwest wind 9 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.
Friday
A 40 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly cloudy, with a high near 76. South wind 6 to 14 mph, with gusts as high as 21 mph.
Friday Night
A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 56. South wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers and possibly a thunderstorm. High near 65. West wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 37. West northwest wind 11 to 15 mph, with gusts as high as 23 mph.
Sunday
Mostly sunny, with a high near 53. West northwest wind 13 to 16 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 37. West wind 6 to 10 mph, with gusts as high as 15 mph.
Monday
Sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Sunny, with a high near 50.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
Mostly sunny, with a high near 63. Breezy.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Mostly sunny, with a high near 72.
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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:
11:47 pm CDT Apr 2, 2026
Forecast Valid:
12am CDT Apr 3, 2026-6pm CDT Apr 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation