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

82°F

28°C

Humidity 29%
Wind Speed W 15 G 33 mph
Barometer 29.82 in (1009.2 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 20 Mar 2:53 pm CDT
Extended Forecast for

Mattoon/Charleston, Coles County Memorial Airport IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 81. West wind around 15 mph, with gusts as high as 23 mph.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 45. Northwest wind 5 to 8 mph becoming east northeast after midnight. Winds could gust as high as 15 mph.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 76. East wind 5 to 8 mph becoming southwest in the afternoon.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59. South southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 81. South southwest wind 11 to 17 mph becoming west northwest in the afternoon. Winds could gust as high as 26 mph.

    High: 81 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 35. North wind 15 to 18 mph, with gusts as high as 30 mph.

    Low: 35 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 52. North wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 52 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 81. West wind around 15 mph, with gusts as high as 23 mph.
Tonight
Partly cloudy, with a low around 45. Northwest wind 5 to 8 mph becoming east northeast after midnight. Winds could gust as high as 15 mph.
Saturday
Sunny, with a high near 76. East wind 5 to 8 mph becoming southwest in the afternoon.
Saturday Night
Mostly clear, with a low around 59. South southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday
Partly sunny, with a high near 81. South southwest wind 11 to 17 mph becoming west northwest in the afternoon. Winds could gust as high as 26 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 35. North wind 15 to 18 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 52. North wind 10 to 13 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
Partly sunny, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Mostly cloudy, with a high near 59.
Wednesday Night
Mostly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 74. Breezy.
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
 39.51°N 88.27°W (Elev. 656 ft)
Last Update:
3:36 pm CDT Mar 20, 2026
Forecast Valid:
3pm CDT Mar 20, 2026-6pm CDT Mar 26, 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