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

47°F

8°C

Humidity 77%
Wind Speed SE 9 mph
Barometer 29.94 in (1014.2 mb)
Dewpoint 40°F (4°C)
Visibility NA
Wind Chill43°F (6°C)
Last update 7 Jan 5:53 pm CST
Extended Forecast for

Mattoon/Charleston, Coles County Memorial Airport IL

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, increasing clouds, with a low around 41. South wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 41 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Showers likely, mainly after noon. Patchy fog before 10am. Otherwise, cloudy, with a high near 62. Breezy, with a south southeast wind 11 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm before 3am, then rain likely. Low around 54. Breezy, with a south southwest wind 15 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Breezy. Rain
    then Rain
    Likely

  • Friday

    Friday: Partly sunny, with a temperature falling to around 50 by 5pm. Southwest wind 7 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 60 °F⇓

    Partly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 39. North northeast wind 6 to 8 mph.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: A 40 percent chance of rain before noon. Mostly cloudy, with a high near 44. West wind 8 to 16 mph, with gusts as high as 25 mph.

    High: 44 °F

    Chance Rain
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 22. West wind 14 to 17 mph, with gusts as high as 25 mph.

    Low: 22 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, increasing clouds, with a low around 41. South wind 8 to 11 mph, with gusts as high as 21 mph.
Thursday
Showers likely, mainly after noon. Patchy fog before 10am. Otherwise, cloudy, with a high near 62. Breezy, with a south southeast wind 11 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain and possibly a thunderstorm before 3am, then rain likely. Low around 54. Breezy, with a south southwest wind 15 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Partly sunny, with a temperature falling to around 50 by 5pm. Southwest wind 7 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph.
Friday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 39. North northeast wind 6 to 8 mph.
Saturday
A 40 percent chance of rain before noon. Mostly cloudy, with a high near 44. West wind 8 to 16 mph, with gusts as high as 25 mph.
Saturday Night
Mostly cloudy, with a low around 22. West wind 14 to 17 mph, with gusts as high as 25 mph.
Sunday
Partly sunny, with a high near 31.
Sunday Night
Mostly clear, with a low around 20.
Monday
Sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
A chance of rain. Mostly cloudy, with a high near 39.
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:
5:37 pm CST Jan 7, 2026
Forecast Valid:
6pm CST Jan 7, 2026-6pm CST Jan 14, 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