National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
News Headlines
Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

64°F

18°C

Humidity 60%
Wind Speed E 3 mph
Barometer 30.06 in (1017.6 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 10 Oct 7:53 pm CDT
Extended Forecast for

Mattoon/Charleston, Coles County Memorial Airport IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. East southeast wind 6 to 8 mph becoming northeast after midnight.

    Low: 56 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 82. North wind around 7 mph.

    High: 82 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58. Calm wind becoming south around 6 mph after midnight.

    Low: 58 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 91. Southwest wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 91 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Clear, with a low around 68. Southwest wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 68 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91. Southwest wind 11 to 13 mph, with gusts as high as 20 mph.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. West wind around 6 mph becoming east northeast after midnight.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Showers likely. Partly sunny, with a high near 82. Chance of precipitation is 70%.

    High: 82 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 56. East southeast wind 6 to 8 mph becoming northeast after midnight.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 82. North wind around 7 mph.
Sunday Night
Mostly clear, with a low around 58. Calm wind becoming south around 6 mph after midnight.
Columbus Day
Mostly sunny, with a high near 91. Southwest wind 7 to 13 mph, with gusts as high as 20 mph.
Monday Night
Clear, with a low around 68. Southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 91. Southwest wind 11 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 64. West wind around 6 mph becoming east northeast after midnight.
Wednesday
Showers likely. Partly sunny, with a high near 82. Chance of precipitation is 70%.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 61.
Thursday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 53.
Friday
Partly sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 62.
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
 39.49°N 88.27°W (Elev. 696 ft)
Last Update:
7:36 pm CDT Oct 10, 2026
Forecast Valid:
8pm CDT Oct 10, 2026-6pm CDT Oct 17, 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