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

34°F

1°C

Humidity 92%
Wind Speed W 5 mph
Barometer 30.17 in (1021.8 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 2 Nov 12:53 am CST
Extended Forecast for

Charleston IL

  • Overnight

    Overnight: Mostly clear, with a low around 31. Light north northwest wind.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 56. Calm wind becoming south southwest around 6 mph.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34. South southwest wind 5 to 8 mph.

    Low: 34 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 62. West wind 5 to 10 mph, with gusts as high as 16 mph.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 35. Light and variable wind.

    Low: 35 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64. Light south southeast wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 21 mph.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47. South southwest wind around 10 mph, with gusts as high as 18 mph.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 31. Light north northwest wind.
Sunday
Sunny, with a high near 56. Calm wind becoming south southwest around 6 mph.
Sunday Night
Mostly clear, with a low around 34. South southwest wind 5 to 8 mph.
Monday
Sunny, with a high near 62. West wind 5 to 10 mph, with gusts as high as 16 mph.
Monday Night
Increasing clouds, with a low around 35. Light and variable wind.
Tuesday
Mostly sunny, with a high near 64. Light south southeast wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 47. South southwest wind around 10 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 37.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 50.
Friday
A chance of rain. Partly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 65.
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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:
1:36 am CST Nov 2, 2025
Forecast Valid:
1am CDT Nov 2, 2025-6pm CST Nov 8, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation