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

30°F

-1°C

Humidity 79%
Wind Speed W 5 mph
Barometer 30.28 in (1025.8 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 12 Feb 2:53 am CST
Extended Forecast for

Mattoon IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 30. West southwest wind around 6 mph.

    Low: 30 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 46. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 46 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 29. South southeast wind 3 to 6 mph.

    Low: 29 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 51. South wind 6 to 10 mph, with gusts as high as 16 mph.

    High: 51 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 32. South wind 3 to 5 mph.

    Low: 32 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 30 percent chance of rain after noon. Cloudy, with a high near 50. South southeast wind 3 to 7 mph.

    High: 50 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before midnight. Cloudy, with a low around 39. East southeast wind 6 to 8 mph becoming northeast after midnight. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain Likely

  • Sunday

    Sunday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 30. West southwest wind around 6 mph.
Thursday
Mostly cloudy, with a high near 46. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 29. South southeast wind 3 to 6 mph.
Friday
Sunny, with a high near 51. South wind 6 to 10 mph, with gusts as high as 16 mph.
Friday Night
Increasing clouds, with a low around 32. South wind 3 to 5 mph.
Saturday
A 30 percent chance of rain after noon. Cloudy, with a high near 50. South southeast wind 3 to 7 mph.
Saturday Night
Rain likely, mainly before midnight. Cloudy, with a low around 39. East southeast wind 6 to 8 mph becoming northeast after midnight. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 32.
Washington's Birthday
Mostly sunny, with a high near 56.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
Cloudy, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 51.
Wednesday
Mostly cloudy, 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 IL
 39.49°N 88.39°W (Elev. 732 ft)
Last Update:
2:26 am CST Feb 12, 2026
Forecast Valid:
3am CST Feb 12, 2026-6pm CST Feb 18, 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