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

59°F

15°C

Humidity 64%
Wind Speed W 14 G 18 mph
Barometer 29.85 in (1011.1 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 10 Feb 11:53 am CST
Extended Forecast for

Mattoon/Charleston, Coles County Memorial Airport IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a temperature falling to around 46 by 5pm. North northwest wind 10 to 14 mph, with gusts as high as 21 mph.

    High: 56 °F⇓

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 26. North northwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 42. North northwest wind 5 to 9 mph, with gusts as high as 15 mph.

    High: 42 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 26. Light and variable wind.

    Low: 26 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Cloudy, with a high near 42. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 42 °F

    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 28. East wind around 5 mph.

    Low: 28 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 46. Southeast wind around 6 mph.

    High: 46 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of rain after noon. Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a temperature falling to around 46 by 5pm. North northwest wind 10 to 14 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 26. North northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 42. North northwest wind 5 to 9 mph, with gusts as high as 15 mph.
Wednesday Night
Increasing clouds, with a low around 26. Light and variable wind.
Thursday
Cloudy, with a high near 42. Calm wind becoming southeast around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 28. East wind around 5 mph.
Friday
Mostly sunny, with a high near 46. Southeast wind around 6 mph.
Friday Night
Partly cloudy, with a low around 30.
Saturday
A 30 percent chance of rain after noon. Mostly cloudy, with a high near 47.
Saturday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Sunday
A chance of rain. Mostly sunny, with a high near 47.
Sunday Night
Partly cloudy, with a low around 31.
Washington's Birthday
Mostly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
Mattoon/Charleston, Coles County Memorial Airport IL
 39.46°N 88.28°W (Elev. 679 ft)
Last Update:
11:36 am CST Feb 10, 2026
Forecast Valid:
12pm CST Feb 10, 2026-6pm CST Feb 16, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation