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.

Overcast

34°F

1°C

Humidity 56%
Wind Speed NW 13 mph
Barometer 30.14 in (1021.5 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 21 Feb 1:53 pm CST
Extended Forecast for

Mattoon IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 37. West northwest wind 10 to 13 mph, with gusts as high as 17 mph.

    High: 37 °F

    Mostly Sunny

  • Tonight

    Tonight: Scattered flurries after midnight. Increasing clouds, with a low around 21. Northwest wind 9 to 17 mph, with gusts as high as 26 mph.

    Low: 21 °F

    Scattered
    Flurries

  • Sunday

    Sunday: Mostly cloudy, with a high near 28. Wind chill values between 5 and 15. Blustery, with a northwest wind 20 to 24 mph, with gusts as high as 32 mph.

    High: 28 °F

    Mostly Cloudy
    and Blustery

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 16. Wind chill values between 1 and 11. Northwest wind 16 to 18 mph, with gusts as high as 28 mph.

    Low: 16 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 31. North northwest wind 8 to 17 mph, with gusts as high as 26 mph.

    High: 31 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 18. Northwest wind around 6 mph becoming calm.

    Low: 18 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 45. Breezy, with a south wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 45 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 37. West northwest wind 10 to 13 mph, with gusts as high as 17 mph.
Tonight
Scattered flurries after midnight. Increasing clouds, with a low around 21. Northwest wind 9 to 17 mph, with gusts as high as 26 mph.
Sunday
Mostly cloudy, with a high near 28. Wind chill values between 5 and 15. Blustery, with a northwest wind 20 to 24 mph, with gusts as high as 32 mph.
Sunday Night
Mostly cloudy, with a low around 16. Wind chill values between 1 and 11. Northwest wind 16 to 18 mph, with gusts as high as 28 mph.
Monday
Sunny, with a high near 31. North northwest wind 8 to 17 mph, with gusts as high as 26 mph.
Monday Night
Increasing clouds, with a low around 18. Northwest wind around 6 mph becoming calm.
Tuesday
Partly sunny, with a high near 45. Breezy, with a south wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Partly sunny, with a high near 52.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 31.
Thursday
A chance of rain. Mostly sunny, with a high near 44.
Thursday Night
Mostly clear, with a low around 26.
Friday
Sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mattoon IL
 39.49°N 88.36°W (Elev. 722 ft)
Last Update:
1:36 pm CST Feb 21, 2026
Forecast Valid:
2pm CST Feb 21, 2026-6pm CST Feb 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation