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

71°F

22°C

Humidity 44%
Wind Speed S 8 mph
Barometer 29.89 in (1011.8 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 21 Mar 11:53 am CDT
Extended Forecast for

Mattoon/Charleston, Coles County Memorial Airport IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 78. South southwest wind 7 to 9 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 60. South southwest wind 7 to 13 mph, with gusts as high as 22 mph.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 83. Southwest wind 11 to 17 mph becoming north in the afternoon. Winds could gust as high as 26 mph.

    High: 83 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 33. Breezy, with a north wind 15 to 22 mph, with gusts as high as 34 mph.

    Low: 33 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Clear

  • Monday

    Monday: Mostly sunny, with a high near 52. North northeast wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 52 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35. East wind around 6 mph.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 58. South wind 7 to 9 mph, with gusts as high as 15 mph.

    High: 58 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 78. South southwest wind 7 to 9 mph.
Tonight
Mostly clear, with a low around 60. South southwest wind 7 to 13 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a high near 83. Southwest wind 11 to 17 mph becoming north in the afternoon. Winds could gust as high as 26 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 33. Breezy, with a north wind 15 to 22 mph, with gusts as high as 34 mph.
Monday
Mostly sunny, with a high near 52. North northeast wind 9 to 13 mph, with gusts as high as 22 mph.
Monday Night
Mostly cloudy, with a low around 35. East wind around 6 mph.
Tuesday
Partly sunny, with a high near 58. South wind 7 to 9 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
Mostly cloudy, with a high near 64.
Wednesday Night
Mostly cloudy, with a low around 51.
Thursday
A chance of rain. Mostly sunny, with a high near 75.
Thursday Night
A chance of rain. Partly cloudy, with a low around 41.
Friday
Partly sunny, with a high near 53.
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:
12:36 pm CDT Mar 21, 2026
Forecast Valid:
12pm CDT Mar 21, 2026-6pm CDT Mar 27, 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