National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Overcast

8°F

-13°C

Humidity 83%
Wind Speed N 5 mph
Barometer 30.20 in (1024.0 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill-1°F (-18°C)
Last update 4 Dec 10:53 pm CST
Extended Forecast for

Mattoon IL

  • Tonight

    Tonight: Patchy freezing fog. Mostly cloudy, with a low around 5. Light and variable wind.

    Low: 5 °F

    Patchy
    Freezing Fog

  • Friday

    Friday: Patchy freezing fog before 9am. Sunny, with a high near 30. Wind chill values between 2 and 12. South wind 3 to 8 mph.

    High: 30 °F

    Patchy
    Freezing Fog
    then Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 23. South wind 6 to 8 mph becoming west after midnight.

    Low: 23 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, with a high near 31. West wind around 6 mph becoming calm in the afternoon.

    High: 31 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23. Calm wind becoming east around 6 mph after midnight.

    Low: 23 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 40 percent chance of snow before noon. Mostly cloudy, with a high near 31. East wind 6 to 10 mph becoming north in the afternoon. Winds could gust as high as 15 mph.

    High: 31 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 10. North wind 6 to 9 mph, with gusts as high as 15 mph.

    Low: 10 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy freezing fog. Mostly cloudy, with a low around 5. Light and variable wind.
Friday
Patchy freezing fog before 9am. Sunny, with a high near 30. Wind chill values between 2 and 12. South wind 3 to 8 mph.
Friday Night
Increasing clouds, with a low around 23. South wind 6 to 8 mph becoming west after midnight.
Saturday
Mostly cloudy, with a high near 31. West wind around 6 mph becoming calm in the afternoon.
Saturday Night
Mostly cloudy, with a low around 23. Calm wind becoming east around 6 mph after midnight.
Sunday
A 40 percent chance of snow before noon. Mostly cloudy, with a high near 31. East wind 6 to 10 mph becoming north in the afternoon. Winds could gust as high as 15 mph.
Sunday Night
Mostly cloudy, with a low around 10. North wind 6 to 9 mph, with gusts as high as 15 mph.
Monday
Mostly sunny, with a high near 25.
Monday Night
Mostly cloudy, with a low around 16.
Tuesday
Partly sunny, with a high near 36.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
A chance of rain. Mostly cloudy, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 18.
Thursday
Partly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mattoon IL
 39.47°N 88.36°W (Elev. 728 ft)
Last Update:
9:36 pm CST Dec 4, 2025
Forecast Valid:
11pm CST Dec 4, 2025-6pm CST Dec 11, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation