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

51°F

11°C

Humidity 83%
Wind Speed Calm
Barometer 30.11 in (1019.2 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 9 Oct 2:53 am CDT
Extended Forecast for

3 Miles NE Mattoon/Charleston, Coles County Memorial Airport IL

  • Overnight

    Overnight: Clear, with a low around 48. Calm wind.

    Low: 48 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 86. Light south southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 16 mph.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 57. South southeast wind around 7 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, with a high near 80. Southeast wind 6 to 9 mph, with gusts as high as 15 mph.

    High: 80 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 57. East wind 7 to 10 mph, with gusts as high as 16 mph.

    Low: 57 °F

    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 77. Northeast wind around 6 mph becoming north northwest in the afternoon.

    High: 77 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 48. Calm wind.
Friday
Sunny, with a high near 86. Light south southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 16 mph.
Friday Night
Increasing clouds, with a low around 57. South southeast wind around 7 mph.
Saturday
Mostly cloudy, with a high near 80. Southeast wind 6 to 9 mph, with gusts as high as 15 mph.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 57. East wind 7 to 10 mph, with gusts as high as 16 mph.
Sunday
Partly sunny, with a high near 77. Northeast wind around 6 mph becoming north northwest in the afternoon.
Sunday Night
Mostly clear, with a low around 55. Calm wind.
Columbus Day
Sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
A chance of showers. Mostly sunny, with a high near 79.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 59.
Thursday
A chance of showers. Partly sunny, with a high near 80.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Mattoon/Charleston, Coles County Memorial Airport IL
 39.51°N 88.24°W (Elev. 650 ft)
Last Update:
2:05 am CDT Oct 9, 2026
Forecast Valid:
3am CDT Oct 9, 2026-6pm CDT Oct 15, 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