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.

Mostly Cloudy

76°F

24°C

Humidity 82%
Wind Speed S 6 mph
Barometer 29.98 in (1014.7 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 16 Jun 11:53 am CDT
Extended Forecast for

Arthur IL

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 81. South wind around 7 mph. Chance of precipitation is 30%.

    High: 81 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Isolated showers and thunderstorms before 10pm. Mostly cloudy, with a low around 68. South wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 68 °F

    Isolated
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88. South southwest wind 5 to 8 mph.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 70. South southwest wind 6 to 9 mph.

    Low: 70 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers and thunderstorms likely after 10am. Mostly cloudy, with a high near 84. South southwest wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 64. Southwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

  • Juneteenth

    Juneteenth: Sunny, with a high near 83. West northwest wind around 8 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 81. South wind around 7 mph. Chance of precipitation is 30%.
Tonight
Isolated showers and thunderstorms before 10pm. Mostly cloudy, with a low around 68. South wind 3 to 6 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 88. South southwest wind 5 to 8 mph.
Tuesday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 70. South southwest wind 6 to 9 mph.
Wednesday
A chance of showers, then showers and thunderstorms likely after 10am. Mostly cloudy, with a high near 84. South southwest wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 64. Southwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Juneteenth
Sunny, with a high near 83. West northwest wind around 8 mph.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 71.
Saturday
Sunny, with a high near 92.
Saturday Night
Mostly clear, with a low around 74.
Sunday
Sunny, with a high near 92.
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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:
10:41 am CDT Jun 16, 2025
Forecast Valid:
12pm CDT Jun 16, 2025-6pm CDT Jun 22, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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