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

53°F

12°C

Humidity 69%
Wind Speed S 9 mph
Barometer 29.89 in (1012.1 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 20 Mar 5:53 am CDT
Extended Forecast for

Charleston IL

  • Today

    Today: Partly sunny, with a high near 80. South southwest wind 8 to 16 mph becoming west in the afternoon. Winds could gust as high as 24 mph.

    High: 80 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. Northwest wind 5 to 9 mph becoming east northeast after midnight. Winds could gust as high as 16 mph.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 77. East wind 5 to 9 mph becoming southwest in the afternoon.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. South southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 82. South southwest wind 11 to 17 mph, with gusts as high as 28 mph.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 37. North wind 15 to 17 mph, with gusts as high as 29 mph.

    Low: 37 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 53. North wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 53 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 80. South southwest wind 8 to 16 mph becoming west in the afternoon. Winds could gust as high as 24 mph.
Tonight
Mostly cloudy, with a low around 44. Northwest wind 5 to 9 mph becoming east northeast after midnight. Winds could gust as high as 16 mph.
Saturday
Sunny, with a high near 77. East wind 5 to 9 mph becoming southwest in the afternoon.
Saturday Night
Mostly clear, with a low around 57. South southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 82. South southwest wind 11 to 17 mph, with gusts as high as 28 mph.
Sunday Night
Partly cloudy, with a low around 37. North wind 15 to 17 mph, with gusts as high as 29 mph.
Monday
Mostly sunny, with a high near 53. North wind 10 to 14 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Mostly cloudy, with a high near 60.
Wednesday Night
Mostly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Charleston IL
 39.5°N 88.19°W (Elev. 650 ft)
Last Update:
4:36 am CDT Mar 20, 2026
Forecast Valid:
6am CDT Mar 20, 2026-6pm CDT Mar 26, 2026
 
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Additional Resources

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