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

28°F

-2°C

Humidity 69%
Wind Speed S 10 mph
Barometer 29.88 in (1013.0 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 5 Dec 7:53 pm CST
Extended Forecast for

Mattoon/Charleston, Coles County Memorial Airport IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 24. South wind 8 to 10 mph becoming west after midnight. Winds could gust as high as 17 mph.

    Low: 24 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 32. West wind 5 to 7 mph becoming calm in the afternoon.

    High: 32 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 27. Calm wind becoming southeast 5 to 7 mph after midnight.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: A chance of rain and snow before noon. Cloudy, with a high near 35. South southeast wind 8 to 11 mph becoming north in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 50%.

    High: 35 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 13. North wind 8 to 10 mph, with gusts as high as 16 mph.

    Low: 13 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 26. North northeast wind 5 to 7 mph becoming light and variable in the afternoon.

    High: 26 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 17. Light and variable wind becoming south southwest 9 to 14 mph in the evening. Winds could gust as high as 20 mph.

    Low: 17 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 24. South wind 8 to 10 mph becoming west after midnight. Winds could gust as high as 17 mph.
Saturday
Mostly cloudy, with a high near 32. West wind 5 to 7 mph becoming calm in the afternoon.
Saturday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 27. Calm wind becoming southeast 5 to 7 mph after midnight.
Sunday
A chance of rain and snow before noon. Cloudy, with a high near 35. South southeast wind 8 to 11 mph becoming north in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 50%.
Sunday Night
Mostly cloudy, with a low around 13. North wind 8 to 10 mph, with gusts as high as 16 mph.
Monday
Mostly sunny, with a high near 26. North northeast wind 5 to 7 mph becoming light and variable in the afternoon.
Monday Night
Partly cloudy, with a low around 17. Light and variable wind becoming south southwest 9 to 14 mph in the evening. Winds could gust as high as 20 mph.
Tuesday
Partly sunny, with a high near 38.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
Mostly cloudy, with a high near 33.
Thursday Night
Mostly cloudy, with a low around 18.
Friday
Partly sunny, with a high near 26.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mattoon/Charleston, Coles County Memorial Airport IL
 39.49°N 88.27°W (Elev. 696 ft)
Last Update:
6:36 pm CST Dec 5, 2025
Forecast Valid:
8pm CST Dec 5, 2025-6pm CST Dec 12, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation