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

43°F

6°C

Humidity 56%
Wind Speed W 6 mph
Barometer 30.02 in (1017.0 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 13 Mar 8:53 pm CDT
Extended Forecast for

Mattoon IL

  • Tonight

    Tonight: A chance of sprinkles and flurries after 4am. Partly cloudy, with a low around 33. West northwest wind 6 to 9 mph becoming north northeast after midnight. Winds could gust as high as 17 mph.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Sprinkles/Flurries

  • Saturday

    Saturday: Partly sunny, with a high near 54. Southeast wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 54 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 47. East southeast wind 11 to 15 mph, with gusts as high as 26 mph.

    Low: 47 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely after 1pm. Mostly cloudy, with a high near 68. Breezy, with a south wind 18 to 23 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 47 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 68 °F

    Breezy.
    Mostly Cloudy
    then Showers
    Likely

  • Sunday Night

    Sunday Night: Rain before 1am, then snow likely. Low around 23. Breezy, with a south wind 22 to 25 mph becoming west after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 23 °F

    Breezy.
    Showers then
    Rain/Snow

  • Monday

    Monday: A 40 percent chance of snow before 1pm. Cloudy, with a high near 25. Blustery, with a west northwest wind 24 to 26 mph, with gusts as high as 41 mph.

    High: 25 °F

    Chance Snow
    and Blustery

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 11. Blustery, with a west northwest wind 16 to 23 mph, with gusts as high as 33 mph.

    Low: 11 °F

    Mostly Cloudy
    and Blustery

  • Tuesday

    Tuesday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain and snow after 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 40%.

    Low: 21 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

Detailed Forecast

Tonight
A chance of sprinkles and flurries after 4am. Partly cloudy, with a low around 33. West northwest wind 6 to 9 mph becoming north northeast after midnight. Winds could gust as high as 17 mph.
Saturday
Partly sunny, with a high near 54. Southeast wind 6 to 13 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 47. East southeast wind 11 to 15 mph, with gusts as high as 26 mph.
Sunday
Showers likely after 1pm. Mostly cloudy, with a high near 68. Breezy, with a south wind 18 to 23 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 47 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain before 1am, then snow likely. Low around 23. Breezy, with a south wind 22 to 25 mph becoming west after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Monday
A 40 percent chance of snow before 1pm. Cloudy, with a high near 25. Blustery, with a west northwest wind 24 to 26 mph, with gusts as high as 41 mph.
Monday Night
Mostly cloudy, with a low around 11. Blustery, with a west northwest wind 16 to 23 mph, with gusts as high as 33 mph.
Tuesday
Partly sunny, with a high near 30.
Tuesday Night
A chance of rain and snow after 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 51.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Mostly sunny, with a high near 61.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Partly sunny, with a high near 60.
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 88.36°W (Elev. 722 ft)
Last Update:
9:36 pm CDT Mar 13, 2026
Forecast Valid:
9pm CDT Mar 13, 2026-6pm CDT Mar 20, 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