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.

Overcast

47°F

8°C

Humidity 66%
Wind Speed W 7 mph
Barometer 30.26 in (1025.1 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 6 Apr 8:53 pm CDT
Extended Forecast for

Charleston IL

  • Tonight

    Tonight: Increasing clouds, with a low around 33. Northwest wind 7 to 11 mph becoming northeast after midnight. Winds could gust as high as 21 mph.

    Low: 33 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 47. Northeast wind 8 to 13 mph, with gusts as high as 18 mph.

    High: 47 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35. East wind 7 to 9 mph, with gusts as high as 18 mph.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67. South wind 10 to 15 mph, with gusts as high as 26 mph.

    High: 67 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. South wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 72. South southwest wind 11 to 15 mph, with gusts as high as 26 mph.

    High: 72 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. South wind around 8 mph, with gusts as high as 16 mph.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Showers likely. Partly sunny, with a high near 70. Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 33. Northwest wind 7 to 11 mph becoming northeast after midnight. Winds could gust as high as 21 mph.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 47. Northeast wind 8 to 13 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 35. East wind 7 to 9 mph, with gusts as high as 18 mph.
Wednesday
Mostly sunny, with a high near 67. South wind 10 to 15 mph, with gusts as high as 26 mph.
Wednesday Night
Partly cloudy, with a low around 52. South wind 10 to 13 mph, with gusts as high as 22 mph.
Thursday
Mostly sunny, with a high near 72. South southwest wind 11 to 15 mph, with gusts as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 54. South wind around 8 mph, with gusts as high as 16 mph.
Friday
Showers likely. Partly sunny, with a high near 70. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
Mostly cloudy, with a low around 57.
Sunday
Partly sunny, with a high near 79.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 63.
Monday
A chance of showers. Partly sunny, with a high near 79. Breezy.
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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:
8:06 pm CDT Apr 6, 2026
Forecast Valid:
9pm CDT Apr 6, 2026-6pm CDT Apr 13, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation