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

38°F

3°C

Humidity 70%
Wind Speed S 9 mph
Barometer 29.93 in (1014.1 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 10 Feb 1:53 am CST
Extended Forecast for

Mattoon IL

  • Overnight

    Overnight: Mostly clear, with a low around 34. South wind around 14 mph, with gusts as high as 22 mph.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53. South southwest wind 10 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 26. North northwest wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 42. 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 6 mph in the morning.

    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.

    High: 46 °F

    Mostly Sunny

  • Friday Night

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

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 34. South wind around 14 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 53. South southwest wind 10 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 26. North northwest wind 8 to 10 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 42. 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 6 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 28. East wind around 5 mph.
Friday
Mostly sunny, with a high near 46.
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. Mostly cloudy, with a low around 36.
Sunday
A chance of rain. Mostly sunny, with a high near 48.
Sunday Night
Mostly clear, with a low around 31.
Washington's Birthday
Mostly sunny, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mattoon IL
 39.49°N 88.39°W (Elev. 732 ft)
Last Update:
2:12 am CST Feb 10, 2026
Forecast Valid:
2am CST Feb 10, 2026-6pm CST Feb 16, 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