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Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Overcast

70°F

21°C

Humidity 47%
Wind Speed SE 10 mph
Barometer 30.16 in (1020.9 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 16 Oct 11:53 am CDT
Extended Forecast for

Charleston IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 75. East southeast wind around 8 mph.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 53. Southeast wind around 7 mph.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 78. South wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 78 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 59. South southeast wind 7 to 9 mph, with gusts as high as 16 mph.

    Low: 59 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 4pm. High near 81. South southwest wind 9 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 48. Southwest wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Low: 48 °F

    Showers

  • Sunday

    Sunday: A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 62. West wind 15 to 18 mph, with gusts as high as 34 mph.

    High: 62 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Clear, with a low around 39.

    Low: 39 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 75. East southeast wind around 8 mph.
Tonight
Partly cloudy, with a low around 53. Southeast wind around 7 mph.
Friday
Partly sunny, with a high near 78. South wind 7 to 11 mph, with gusts as high as 18 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 59. South southeast wind 7 to 9 mph, with gusts as high as 16 mph.
Saturday
Showers, with thunderstorms also possible after 4pm. High near 81. South southwest wind 9 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and possibly a thunderstorm. Low around 48. Southwest wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Sunday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 62. West wind 15 to 18 mph, with gusts as high as 34 mph.
Sunday Night
Clear, with a low around 39.
Monday
Sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
A chance of showers. Mostly sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Charleston IL
 39.48°N 88.19°W (Elev. 650 ft)
Last Update:
12:26 pm CDT Oct 16, 2025
Forecast Valid:
12pm CDT Oct 16, 2025-6pm CDT Oct 22, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation