National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

39°F

4°C

Humidity 50%
Wind Speed S 12 mph
Barometer 29.62 in (1003.8 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 24 Feb 5:53 pm CST
Extended Forecast for

Charleston IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 30. South southwest wind 12 to 17 mph becoming west northwest 6 to 11 mph after midnight. Winds could gust as high as 32 mph.

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47. West northwest wind 5 to 8 mph.

    High: 47 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain before 10pm, then a chance of snow. Mostly cloudy, with a low around 29. Calm wind becoming north northeast around 6 mph in the evening. Chance of precipitation is 40%.

    Low: 29 °F

    Slight Chance
    Rain/Snow
    then Chance
    Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 48. East northeast wind 5 to 7 mph becoming northwest in the afternoon.

    High: 48 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30. Calm wind becoming south southwest around 6 mph after midnight.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 58. South southwest wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 58 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 35. South wind 7 to 10 mph becoming west northwest after midnight. Winds could gust as high as 20 mph.

    Low: 35 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 30. South southwest wind 12 to 17 mph becoming west northwest 6 to 11 mph after midnight. Winds could gust as high as 32 mph.
Wednesday
Mostly sunny, with a high near 47. West northwest wind 5 to 8 mph.
Wednesday Night
A slight chance of rain before 10pm, then a chance of snow. Mostly cloudy, with a low around 29. Calm wind becoming north northeast around 6 mph in the evening. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 48. East northeast wind 5 to 7 mph becoming northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 30. Calm wind becoming south southwest around 6 mph after midnight.
Friday
Sunny, with a high near 58. South southwest wind 6 to 14 mph, with gusts as high as 23 mph.
Friday Night
Mostly clear, with a low around 35. South wind 7 to 10 mph becoming west northwest after midnight. Winds could gust as high as 20 mph.
Saturday
Mostly sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Partly sunny, with a high near 41.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 27.
Monday
A chance of rain and snow. Partly sunny, with a high near 42.
Monday Night
A chance of rain. Mostly cloudy, with a low around 29.
Tuesday
A chance of rain. Mostly cloudy, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Charleston IL
 39.5°N 88.19°W (Elev. 650 ft)
Last Update:
5:37 pm CST Feb 24, 2026
Forecast Valid:
6pm CST Feb 24, 2026-6pm CST Mar 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation