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

66°F

19°C

Humidity 78%
Wind Speed W 12 mph
Barometer 29.70 in (1005.1 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 18 Jun 6:53 am CDT
Extended Forecast for

6 Miles SSE Charleston IL

  • Today

    Today: Increasing clouds, with a high near 74. West northwest wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 74 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 57. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 78. Calm wind becoming northwest 5 to 8 mph in the morning. Winds could gust as high as 15 mph.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. Northwest wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 81. Southwest wind 3 to 6 mph.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63. Light and variable wind.

    Low: 63 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 79. East southeast wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    High: 79 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 61. Chance of precipitation is 80%.

    Low: 61 °F

    Showers

  • Monday

    Monday: Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 74. West northwest wind 9 to 11 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 57. Northwest wind 5 to 7 mph becoming calm in the evening.
Juneteenth
Sunny, with a high near 78. Calm wind becoming northwest 5 to 8 mph in the morning. Winds could gust as high as 15 mph.
Friday Night
Partly cloudy, with a low around 61. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 81. Southwest wind 3 to 6 mph.
Saturday Night
Partly cloudy, with a low around 63. Light and variable wind.
Sunday
Showers and possibly a thunderstorm. High near 79. East southeast wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Sunday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 61. Chance of precipitation is 80%.
Monday
Partly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE Charleston IL
 39.41°N 88.14°W (Elev. 676 ft)
Last Update:
6:36 am CDT Jun 18, 2026
Forecast Valid:
7am CDT Jun 18, 2026-6pm CDT Jun 24, 2026
 
Forecast Discussion
 
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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