Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

32°F

0°C

Humidity 45%
Wind Speed SE 17 G 24 mph
Barometer 30.18 in (1022.8 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 8 Feb 3:53 pm CST
Extended Forecast for

Charleston IL

  • Tonight

    Tonight: Partly cloudy, with a low around 22. East southeast wind 5 to 9 mph, with gusts as high as 17 mph.

    Low: 22 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 42. East southeast wind around 6 mph becoming light and variable.

    High: 42 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 32. South southeast wind 6 to 9 mph becoming southwest after midnight. Winds could gust as high as 18 mph.

    Low: 32 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 51. West southwest wind 6 to 9 mph becoming northwest in the afternoon. Winds could gust as high as 15 mph.

    High: 51 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27. North northwest wind around 6 mph.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 43. North northwest wind 5 to 7 mph.

    High: 43 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 26. Light and variable wind becoming east northeast around 5 mph after midnight.

    Low: 26 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 40.

    High: 40 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 40 percent chance of snow.  Mostly cloudy, with a low around 27.

    Low: 27 °F

    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 22. East southeast wind 5 to 9 mph, with gusts as high as 17 mph.
Monday
Mostly sunny, with a high near 42. East southeast wind around 6 mph becoming light and variable.
Monday Night
Mostly clear, with a low around 32. South southeast wind 6 to 9 mph becoming southwest after midnight. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 51. West southwest wind 6 to 9 mph becoming northwest in the afternoon. Winds could gust as high as 15 mph.
Tuesday Night
Mostly cloudy, with a low around 27. North northwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 43. North northwest wind 5 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 26. Light and variable wind becoming east northeast around 5 mph after midnight.
Thursday
Mostly cloudy, with a high near 40.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 27.
Friday
Mostly sunny, with a high near 41.
Friday Night
Partly cloudy, with a low around 26.
Saturday
A chance of rain. Partly sunny, with a high near 41.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
Charleston IL
 39.5°N 88.19°W (Elev. 650 ft)
3:36 pm CST Feb 8, 2026
4pm CST Feb 8, 2026-6pm CST Feb 15, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database