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

32°F

0°C

Humidity 88%
Wind Speed N 17 mph
Barometer 30.18 in (1022.9 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 7 Dec 5:53 pm CST
Extended Forecast for

Mattoon IL

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 16. North northeast wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 16 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 28. North northeast wind around 6 mph becoming calm in the morning.

    High: 28 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 19. Light south southwest wind increasing to 9 to 14 mph in the evening. Winds could gust as high as 22 mph.

    Low: 19 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 43. Southwest wind around 14 mph, with gusts as high as 22 mph.

    High: 43 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. Breezy, with a southwest wind 13 to 20 mph, with gusts as high as 30 mph.

    Low: 37 °F

    Cloudy then
    Mostly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 42. Breezy, with a west northwest wind 11 to 20 mph, with gusts as high as 32 mph.

    High: 42 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 22. West northwest wind 6 to 9 mph, with gusts as high as 15 mph.

    Low: 22 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 50 percent chance of snow. Mostly cloudy, with a high near 31.

    High: 31 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 13.

    Low: 13 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 16. North northeast wind 6 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 28. North northeast wind around 6 mph becoming calm in the morning.
Monday Night
Partly cloudy, with a low around 19. Light south southwest wind increasing to 9 to 14 mph in the evening. Winds could gust as high as 22 mph.
Tuesday
Partly sunny, with a high near 43. Southwest wind around 14 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 37. Breezy, with a southwest wind 13 to 20 mph, with gusts as high as 30 mph.
Wednesday
Mostly cloudy, with a high near 42. Breezy, with a west northwest wind 11 to 20 mph, with gusts as high as 32 mph.
Wednesday Night
Mostly cloudy, with a low around 22. West northwest wind 6 to 9 mph, with gusts as high as 15 mph.
Thursday
A 50 percent chance of snow. Mostly cloudy, with a high near 31.
Thursday Night
Mostly cloudy, with a low around 13.
Friday
Partly sunny, with a high near 23.
Friday Night
Mostly cloudy, with a low around 2.
Saturday
Partly sunny, with a high near 13.
Saturday Night
Mostly cloudy, with a low around 1.
Sunday
Mostly sunny, with a high near 18.
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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:
3:16 pm CST Dec 7, 2025
Forecast Valid:
5pm CST Dec 7, 2025-6pm CST Dec 14, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation