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.

Fair

87°F

31°C

Humidity 37%
Wind Speed Vrbl 3 mph
Barometer 30.14 in (1020.1 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 3 Oct 4:53 pm CDT
Extended Forecast for

Charleston IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. South southwest wind around 8 mph.

    High: 89 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 9pm. Mostly clear, with a low around 62. South southwest wind around 6 mph. Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 86. South wind 5 to 10 mph.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 56. South southeast wind around 6 mph.

    Low: 56 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 85. South wind 6 to 14 mph, with gusts as high as 20 mph.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62. South wind 6 to 8 mph.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 86. South wind 5 to 8 mph.

    High: 86 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers. Partly sunny, with a high near 78.

    High: 78 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. South southwest wind around 8 mph.
Tonight
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 9pm. Mostly clear, with a low around 62. South southwest wind around 6 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 86. South wind 5 to 10 mph.
Saturday Night
Clear, with a low around 56. South southeast wind around 6 mph.
Sunday
Sunny, with a high near 85. South wind 6 to 14 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 62. South wind 6 to 8 mph.
Monday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 86. South wind 5 to 8 mph.
Monday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62.
Tuesday
A 50 percent chance of showers. Partly sunny, with a high near 78.
Tuesday Night
Mostly cloudy, with a low around 51.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Charleston IL
 39.5°N 88.19°W (Elev. 650 ft)
Last Update:
5:36 pm CDT Oct 3, 2025
Forecast Valid:
5pm CDT Oct 3, 2025-6pm CDT Oct 10, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation