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

51°F

11°C

Humidity 86%
Wind Speed W 13 G 32 mph
Barometer 29.92 in (1013.0 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 7 Mar 3:53 pm CST
Extended Forecast for

Mattoon/Charleston, Coles County Memorial Airport IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. West northwest wind 6 to 14 mph, with gusts as high as 22 mph.

    Low: 36 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 61. Southwest wind 6 to 14 mph, with gusts as high as 21 mph.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 43. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 43 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 72. South southwest wind 10 to 18 mph, with gusts as high as 28 mph.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 76. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 31 mph.

    High: 76 °F

    Partly Sunny
    then Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 57. Breezy, with a south southwest wind 17 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 57 °F

    Showers and
    Breezy

  • Wednesday

    Wednesday: Showers. High near 66. Breezy. Chance of precipitation is 100%.

    High: 66 °F

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain before midnight. Partly cloudy, with a low around 30. Blustery.

    Low: 30 °F

    Chance Rain
    then Mostly
    Clear and
    Blustery

Detailed Forecast

Tonight
Mostly cloudy, with a low around 36. West northwest wind 6 to 14 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 61. Southwest wind 6 to 14 mph, with gusts as high as 21 mph.
Sunday Night
Clear, with a low around 43. South southwest wind around 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 72. South southwest wind 10 to 18 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 58. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 76. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 31 mph.
Tuesday Night
Showers and possibly a thunderstorm. Low around 57. Breezy, with a south southwest wind 17 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers. High near 66. Breezy. Chance of precipitation is 100%.
Wednesday Night
A 30 percent chance of rain before midnight. Partly cloudy, with a low around 30. Blustery.
Thursday
Sunny, with a high near 47.
Thursday Night
Mostly cloudy, with a low around 37.
Friday
Mostly cloudy, with a high near 61. Breezy.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
Mostly cloudy, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
Mattoon/Charleston, Coles County Memorial Airport IL
 39.51°N 88.27°W (Elev. 656 ft)
Last Update:
3:36 pm CST Mar 7, 2026
Forecast Valid:
4pm CST Mar 7, 2026-6pm CDT Mar 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation