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

24°F

-4°C

Humidity 84%
Wind Speed S 6 mph
Barometer 30.47 in (1032.8 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 11 Jan 7:53 pm CST
Extended Forecast for

Mattoon/Charleston, Coles County Memorial Airport IL

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 25. South southwest wind 6 to 13 mph, with gusts as high as 21 mph.

    Low: 25 °F

    Decreasing
    Clouds

  • Monday

    Monday: Increasing clouds, with a high near 44. Southwest wind 8 to 13 mph, with gusts as high as 24 mph.

    High: 44 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32. South southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 53. Southwest wind 11 to 16 mph, with gusts as high as 25 mph.

    High: 53 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. West wind around 11 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain and snow after noon. Mostly cloudy, with a high near 40. Breezy, with a north northwest wind 11 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 30%.

    High: 40 °F

    Mostly Cloudy
    then Chance
    Rain/Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 16. North northwest wind 16 to 18 mph, with gusts as high as 33 mph.

    Low: 16 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 25. South southwest wind 6 to 13 mph, with gusts as high as 21 mph.
Monday
Increasing clouds, with a high near 44. Southwest wind 8 to 13 mph, with gusts as high as 24 mph.
Monday Night
Partly cloudy, with a low around 32. South southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Tuesday
Partly sunny, with a high near 53. Southwest wind 11 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 36. West wind around 11 mph, with gusts as high as 20 mph.
Wednesday
A chance of rain and snow after noon. Mostly cloudy, with a high near 40. Breezy, with a north northwest wind 11 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 16. North northwest wind 16 to 18 mph, with gusts as high as 33 mph.
Thursday
Mostly sunny, with a high near 29.
Thursday Night
Mostly cloudy, with a low around 22.
Friday
Mostly cloudy, with a high near 37.
Friday Night
Mostly cloudy, with a low around 21.
Saturday
Mostly cloudy, with a high near 28.
Saturday Night
Mostly cloudy, with a low around 11.
Sunday
Mostly sunny, with a high near 26.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mattoon/Charleston, Coles County Memorial Airport IL
 39.46°N 88.28°W (Elev. 679 ft)
Last Update:
5:47 pm CST Jan 11, 2026
Forecast Valid:
8pm CST Jan 11, 2026-6pm CST Jan 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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