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.

Overcast

54°F

12°C

Humidity 75%
Wind Speed SW 7 mph
Barometer 29.82 in (1009.7 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 4 Nov 10:53 pm CST
Extended Forecast for

Charleston IL

  • Tonight

    Tonight: Partly cloudy, with a low around 47. Southwest wind 6 to 8 mph, with gusts as high as 15 mph.

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: Increasing clouds, with a high near 60. West southwest wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 60 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A slight chance of rain between 10pm and 4am. Mostly cloudy, with a low around 42. West wind 6 to 10 mph becoming north northwest after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 20%.

    Low: 42 °F

    Slight Chance
    Rain

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 53. North northwest wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 53 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 32. North northwest wind 3 to 7 mph.

    Low: 32 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 54. North northwest wind 3 to 6 mph.

    High: 54 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 47. Southwest wind 6 to 8 mph, with gusts as high as 15 mph.
Thursday
Increasing clouds, with a high near 60. West southwest wind 8 to 13 mph, with gusts as high as 20 mph.
Thursday Night
A slight chance of rain between 10pm and 4am. Mostly cloudy, with a low around 42. West wind 6 to 10 mph becoming north northwest after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 20%.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 53. North northwest wind 8 to 13 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 32. North northwest wind 3 to 7 mph.
Saturday
Sunny, with a high near 54. North northwest wind 3 to 6 mph.
Saturday Night
Mostly clear, with a low around 30. Calm wind.
Sunday
Sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 33.
Monday
Sunny, with a high near 64.
Monday Night
Clear, with a low around 37.
Tuesday
Sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 38.
Veterans Day
Sunny, with a high near 65.
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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:
9:46 pm CST Nov 4, 2026
Forecast Valid:
11pm CST Nov 4, 2026-6pm CST Nov 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation