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.

Partly Cloudy

25°F

-4°C

Humidity 60%
Wind Speed SE 10 mph
Barometer 30.31 in (1027.3 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 7 Feb 10:53 pm CST
Extended Forecast for

Charleston IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 20. Southeast wind 6 to 9 mph, with gusts as high as 17 mph.

    Low: 20 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 33. Southeast wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 33 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 23. East southeast wind 5 to 8 mph, with gusts as high as 15 mph.

    Low: 23 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 44. South wind around 5 mph.

    High: 44 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 33. South wind 5 to 8 mph, with gusts as high as 16 mph.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 54. Southwest wind 5 to 8 mph becoming north northwest in the afternoon. Winds could gust as high as 16 mph.

    High: 54 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 31. North northeast wind 5 to 7 mph.

    Low: 31 °F

    Chance Rain

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 44.

    High: 44 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 20. Southeast wind 6 to 9 mph, with gusts as high as 17 mph.
Sunday
Mostly cloudy, with a high near 33. Southeast wind 10 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 23. East southeast wind 5 to 8 mph, with gusts as high as 15 mph.
Monday
Mostly sunny, with a high near 44. South wind around 5 mph.
Monday Night
Mostly clear, with a low around 33. South wind 5 to 8 mph, with gusts as high as 16 mph.
Tuesday
Mostly sunny, with a high near 54. Southwest wind 5 to 8 mph becoming north northwest in the afternoon. Winds could gust as high as 16 mph.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 31. North northeast wind 5 to 7 mph.
Wednesday
Mostly cloudy, with a high near 44.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
A 30 percent chance of rain after noon. Cloudy, with a high near 40.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 25.
Friday
Mostly sunny, with a high near 40.
Friday Night
Mostly cloudy, with a low around 24.
Saturday
A chance of rain and snow. Mostly sunny, with a high near 38.
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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:
11:37 pm CST Feb 7, 2026
Forecast Valid:
11pm CST Feb 7, 2026-6pm CST Feb 14, 2026
 
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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