National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

A Few Clouds

26°F

-3°C

Humidity 57%
Wind Speed S 7 mph
Barometer 30.22 in (1024.5 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 17 Mar 7:53 pm CDT
Extended Forecast for

Mattoon/Charleston, Coles County Memorial Airport IL

  • Tonight

    Tonight: Snow likely, mainly between 11pm and 3am. Cloudy, with a low around 26. South southeast wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 26 °F

    Chance Snow
    then Snow
    Likely

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 53. South wind 10 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 28 mph.

    High: 53 °F

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 38. South wind around 6 mph.

    Low: 38 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 62. South wind around 8 mph.

    High: 62 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39. North northeast wind around 6 mph.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 66. East northeast wind 6 to 9 mph becoming west southwest in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46. West southwest wind 6 to 8 mph, with gusts as high as 15 mph.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Tonight
Snow likely, mainly between 11pm and 3am. Cloudy, with a low around 26. South southeast wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 53. South wind 10 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 28 mph.
Wednesday Night
Increasing clouds, with a low around 38. South wind around 6 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 62. South wind around 8 mph.
Thursday Night
Partly cloudy, with a low around 39. North northeast wind around 6 mph.
Friday
Mostly sunny, with a high near 66. East northeast wind 6 to 9 mph becoming west southwest in the afternoon.
Friday Night
Partly cloudy, with a low around 46. West southwest wind 6 to 8 mph, with gusts as high as 15 mph.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 51.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Mostly 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:
7:36 pm CDT Mar 17, 2026
Forecast Valid:
8pm CDT Mar 17, 2026-6pm CDT Mar 24, 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