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

20°F

-7°C

Humidity 68%
Wind Speed Calm
Barometer 30.17 in (1022.5 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Last update 9 Feb 6:53 am CST
Extended Forecast for

Mattoon/Charleston, Coles County Memorial Airport IL

  • Today

    Today: Mostly sunny, with a high near 42. East wind around 5 mph becoming light and variable.

    High: 42 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 34. South southeast wind 6 to 11 mph becoming southwest after midnight. Winds could gust as high as 21 mph.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51. West southwest wind 7 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 51 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 26. North northwest wind around 7 mph.

    Low: 26 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 42. North northwest wind 5 to 8 mph.

    High: 42 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27. Light and variable wind.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 40. East wind 3 to 6 mph.

    High: 40 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 30 percent chance of snow. Cloudy, with a low around 27.

    Low: 27 °F

    Chance Snow

  • Friday

    Friday: Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 42. East wind around 5 mph becoming light and variable.
Tonight
Partly cloudy, with a low around 34. South southeast wind 6 to 11 mph becoming southwest after midnight. Winds could gust as high as 21 mph.
Tuesday
Mostly sunny, with a high near 51. West southwest wind 7 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 26. North northwest wind around 7 mph.
Wednesday
Mostly sunny, with a high near 42. North northwest wind 5 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 27. Light and variable wind.
Thursday
Mostly cloudy, with a high near 40. East wind 3 to 6 mph.
Thursday Night
A 30 percent chance of snow. Cloudy, with a low around 27.
Friday
Mostly cloudy, with a high near 41.
Friday Night
A chance of rain and snow after midnight. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Saturday
A chance of rain. Cloudy, with a high near 42.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 30.
Sunday
A chance of rain. Mostly sunny, with a high near 43.
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Forecast Area
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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:
6:36 am CST Feb 9, 2026
Forecast Valid:
7am CST Feb 9, 2026-6pm CST Feb 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation