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

21°F

-6°C

Humidity 85%
Wind Speed S 9 mph
Barometer 30.15 in (1022.0 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 8 Dec 10:53 pm CST
Extended Forecast for

Mattoon/Charleston, Coles County Memorial Airport IL

  • Tonight

    Tonight: Partly cloudy early, then becoming cloudy, with a temperature rising to around 28 by 5am. South wind 6 to 14 mph, with gusts as high as 24 mph.

    Low: 21 °F⇑

    Becoming
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 42. Southwest wind 13 to 15 mph, with gusts as high as 26 mph.

    High: 42 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 37. Breezy, with a south southwest wind 15 to 22 mph, with gusts as high as 33 mph.

    Low: 37 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: Scattered rain showers, mixing with snow after 9am, then gradually ending. Mostly cloudy, with a temperature falling to around 32 by 5pm. Breezy, with a west wind 16 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 40%.

    High: 41 °F⇓

    Breezy.
    Scattered
    Rain/Snow
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 22. West northwest wind 8 to 13 mph, with gusts as high as 20 mph.

    Low: 22 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of snow. Mostly cloudy, with a high near 31. West wind 6 to 9 mph.

    High: 31 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 22. North northeast wind 6 to 10 mph, with gusts as high as 15 mph.

    Low: 22 °F

    Chance Snow

  • Friday

    Friday: A 30 percent chance of snow before noon. Mostly cloudy, with a high near 29.

    High: 29 °F

    Chance Snow
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy early, then becoming cloudy, with a temperature rising to around 28 by 5am. South wind 6 to 14 mph, with gusts as high as 24 mph.
Tuesday
Partly sunny, with a high near 42. Southwest wind 13 to 15 mph, with gusts as high as 26 mph.
Tuesday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 37. Breezy, with a south southwest wind 15 to 22 mph, with gusts as high as 33 mph.
Wednesday
Scattered rain showers, mixing with snow after 9am, then gradually ending. Mostly cloudy, with a temperature falling to around 32 by 5pm. Breezy, with a west wind 16 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 40%.
Wednesday Night
Mostly cloudy, with a low around 22. West northwest wind 8 to 13 mph, with gusts as high as 20 mph.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 31. West wind 6 to 9 mph.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 22. North northeast wind 6 to 10 mph, with gusts as high as 15 mph.
Friday
A 30 percent chance of snow before noon. Mostly cloudy, with a high near 29.
Friday Night
Mostly cloudy, with a low around 10.
Saturday
Mostly cloudy, with a high near 18.
Saturday Night
Mostly cloudy, with a low around 8.
Sunday
Mostly sunny, with a high near 22.
Sunday Night
Mostly cloudy, with a low around 15.
Monday
Mostly cloudy, with a high near 31.
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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:
11:16 pm CST Dec 8, 2025
Forecast Valid:
11pm CST Dec 8, 2025-6pm CST Dec 15, 2025
 
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Additional Resources

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Chance of Precipitation