Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Mostly Cloudy

21°F

-6°C

Humidity 78%
Wind Speed S 8 mph
Barometer 30.04 in (1018.5 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 5 Dec 10:53 am CST
Extended Forecast for

Charleston IL

  • Today

    Today: Mostly sunny, with a high near 31. South wind around 8 mph, with gusts as high as 15 mph.

    High: 31 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 24. South wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 24 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 33. West wind 5 to 7 mph becoming calm  in the afternoon.

    High: 33 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 40 percent chance of snow after midnight.  Mostly cloudy, with a low around 23. Calm wind becoming east southeast around 6 mph after midnight.

    Low: 23 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: A 50 percent chance of snow before noon.  Mostly cloudy, with a high near 33. East southeast wind 6 to 11 mph becoming north in the afternoon. Winds could gust as high as 18 mph.

    High: 33 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 8. North wind 5 to 10 mph, with gusts as high as 16 mph.

    Low: 8 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 25. Light and variable wind.

    High: 25 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 31. South wind around 8 mph, with gusts as high as 15 mph.
Tonight
Mostly cloudy, with a low around 24. South wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.
Saturday
Mostly cloudy, with a high near 33. West wind 5 to 7 mph becoming calm in the afternoon.
Saturday Night
A 40 percent chance of snow after midnight. Mostly cloudy, with a low around 23. Calm wind becoming east southeast around 6 mph after midnight.
Sunday
A 50 percent chance of snow before noon. Mostly cloudy, with a high near 33. East southeast wind 6 to 11 mph becoming north in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Mostly cloudy, with a low around 8. North wind 5 to 10 mph, with gusts as high as 16 mph.
Monday
Mostly sunny, with a high near 25. Light and variable wind.
Monday Night
Partly cloudy, with a low around 14.
Tuesday
Partly sunny, with a high near 36.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
A chance of rain. Mostly cloudy, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 16.
Thursday
Mostly cloudy, with a high near 27.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Charleston IL
 39.5°N 88.19°W (Elev. 650 ft)
11:36 am CST Dec 5, 2025
11am CST Dec 5, 2025-6pm CST Dec 11, 2025
 
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