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Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

79°F

26°C

Humidity 32%
Wind Speed SE 14 mph
Barometer 30.07 in (1017.9 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 10 Oct 1:53 pm CDT
Extended Forecast for

Charleston IL

  • This Afternoon

    This Afternoon: Cloudy, with a high near 78. Southeast wind around 9 mph, with gusts as high as 15 mph.

    High: 78 °F

    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. East northeast wind 3 to 7 mph.

    Low: 56 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 82. North northwest wind 3 to 6 mph.

    High: 82 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 58. Light and variable wind.

    Low: 58 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 91. Southwest wind 5 to 11 mph, with gusts as high as 18 mph.

    High: 91 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Clear, with a low around 67. Southwest wind 7 to 9 mph, with gusts as high as 17 mph.

    Low: 67 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91. Southwest wind around 11 mph, with gusts as high as 20 mph.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Showers likely. Partly sunny, with a high near 81. Chance of precipitation is 70%.

    High: 81 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Cloudy, with a high near 78. Southeast wind around 9 mph, with gusts as high as 15 mph.
Tonight
Mostly cloudy, with a low around 56. East northeast wind 3 to 7 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 82. North northwest wind 3 to 6 mph.
Sunday Night
Increasing clouds, with a low around 58. Light and variable wind.
Columbus Day
Mostly sunny, with a high near 91. Southwest wind 5 to 11 mph, with gusts as high as 18 mph.
Monday Night
Clear, with a low around 67. Southwest wind 7 to 9 mph, with gusts as high as 17 mph.
Tuesday
Sunny, with a high near 91. Southwest wind around 11 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Showers likely. Partly sunny, with a high near 81. Chance of precipitation is 70%.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 61.
Thursday
Showers likely. Mostly cloudy, with a high near 76.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 53.
Friday
Partly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Charleston IL
 39.48°N 88.19°W (Elev. 650 ft)
Last Update:
1:36 pm CDT Oct 10, 2026
Forecast Valid:
2pm CDT Oct 10, 2026-6pm CDT Oct 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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