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

36°F

2°C

Humidity 76%
Wind Speed Calm
Barometer 30.22 in (1024.0 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 12 Feb 7:53 pm CST
Extended Forecast for

Mattoon/Charleston, Coles County Memorial Airport IL

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 28. Calm wind becoming south southeast around 6 mph after midnight.

    Low: 28 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 53. South wind 6 to 14 mph, with gusts as high as 20 mph.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 33. South wind 3 to 7 mph.

    Low: 33 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 30 percent chance of rain after noon. Cloudy, with a high near 50. South southeast wind 3 to 6 mph.

    High: 50 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Rain likely. Cloudy, with a low around 40. East southeast wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Rain Likely

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 54. Northeast wind 6 to 8 mph.

    High: 54 °F

    Gradual
    Clearing

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34. North northeast wind around 5 mph becoming light and variable in the evening.

    Low: 34 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 28. Calm wind becoming south southeast around 6 mph after midnight.
Friday
Sunny, with a high near 53. South wind 6 to 14 mph, with gusts as high as 20 mph.
Friday Night
Increasing clouds, with a low around 33. South wind 3 to 7 mph.
Saturday
A 30 percent chance of rain after noon. Cloudy, with a high near 50. South southeast wind 3 to 6 mph.
Saturday Night
Rain likely. Cloudy, with a low around 40. East southeast wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 54. Northeast wind 6 to 8 mph.
Sunday Night
Mostly clear, with a low around 34. North northeast wind around 5 mph becoming light and variable in the evening.
Washington's Birthday
Mostly sunny, with a high near 57.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
Mostly cloudy, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
Mostly cloudy, with a high near 65. Breezy.
Wednesday Night
Mostly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 57.
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Forecast Area
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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:
8:36 pm CST Feb 12, 2026
Forecast Valid:
8pm CST Feb 12, 2026-6pm CST Feb 19, 2026
 
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Additional Resources

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Chance of Precipitation