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

18°F

-8°C

Humidity 71%
Wind Speed N 7 mph
Barometer 30.37 in (1029.2 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill9°F (-13°C)
Last update 7 Feb 7:53 am CST
Extended Forecast for

Charleston IL

  • Today

    Today: Sunny, with a high near 27. North northeast wind 5 to 7 mph becoming calm in the morning.

    High: 27 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 19. Southeast wind 3 to 8 mph. Winds could gust as high as 16 mph.

    Low: 19 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 33. Southeast wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 33 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 22. Southeast wind 5 to 7 mph.

    Low: 22 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 45. South wind 3 to 5 mph.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 34. South wind 5 to 7 mph.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58. South southwest wind 6 to 9 mph becoming west northwest in the afternoon. Winds could gust as high as 15 mph.

    High: 58 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain before noon. Mostly cloudy, with a high near 44.

    High: 44 °F

    Chance Rain
    then Mostly
    Cloudy

Detailed Forecast

Today
Sunny, with a high near 27. North northeast wind 5 to 7 mph becoming calm in the morning.
Tonight
Increasing clouds, with a low around 19. Southeast wind 3 to 8 mph. Winds could gust as high as 16 mph.
Sunday
Partly sunny, with a high near 33. Southeast wind 8 to 11 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 22. Southeast wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 45. South wind 3 to 5 mph.
Monday Night
Mostly clear, with a low around 34. South wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 58. South southwest wind 6 to 9 mph becoming west northwest in the afternoon. Winds could gust as high as 15 mph.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 33.
Wednesday
A 30 percent chance of rain before noon. Mostly cloudy, with a high near 44.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
A chance of rain. Mostly cloudy, with a high near 42.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 28.
Friday
A chance of rain. Mostly cloudy, with a high near 41.
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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:
6:36 am CST Feb 7, 2026
Forecast Valid:
8am CST Feb 7, 2026-6pm CST Feb 13, 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