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

67°F

19°C

Humidity 91%
Wind Speed NW 6 mph
Barometer 29.89 in (1011.6 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 2 Aug 9:53 pm CDT
Extended Forecast for

5 Miles SE Charleston IL

  • Tonight

    Tonight: Mostly clear, with a low around 62. North wind around 7 mph.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 82. North northeast wind around 6 mph.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Clear, with a low around 62. East wind 3 to 6 mph.

    Low: 62 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Light and variable wind.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. Light south wind.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65. Light south southeast wind.

    Low: 65 °F

    Mostly Clear
    then Chance
    T-storms

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 40%.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 62. North wind around 7 mph.
Monday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 82. North northeast wind around 6 mph.
Monday Night
Clear, with a low around 62. East wind 3 to 6 mph.
Tuesday
Sunny, with a high near 82. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 61. Calm wind.
Wednesday
Sunny, with a high near 83. Light south wind.
Wednesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65. Light south southeast wind.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 83.
Friday Night
A chance of showers. Partly cloudy, with a low around 67.
Saturday
Partly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 68.
Sunday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Charleston IL
 39.43°N 88.11°W (Elev. 702 ft)
Last Update:
9:36 pm CDT Aug 2, 2026
Forecast Valid:
10pm CDT Aug 2, 2026-6pm CDT Aug 9, 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