Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

78°F

26°C

Humidity 64%
Wind Speed NW 8 mph
Barometer 30.00 in (1015.5 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 20 Jun 11:53 am CDT
Extended Forecast for

4 Miles S Charleston IL

Flood Watch June 21, 07:00am until June 22, 01:00am
Click here for hazard details and duration
Flood Watch
  • Today

    Today: Mostly sunny, with a high near 81. West northwest wind around 6 mph.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 62. Light and variable wind.

    Low: 62 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Showers and thunderstorms, mainly after 1pm. Some of the storms could produce heavy rainfall.  High near 79. East wind 5 to 13 mph becoming south in the afternoon. Winds could gust as high as 24 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 79 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 1am, then a chance of showers. Some of the storms could produce heavy rainfall.  Low around 64. South wind 9 to 13 mph becoming west after midnight. Winds could gust as high as 23 mph.  Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 64 °F

    Heavy Rain
    then Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers before 1pm.  Mostly cloudy, with a high near 74. North wind around 10 mph, with gusts as high as 20 mph.

    High: 74 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57. North wind 5 to 8 mph, with gusts as high as 16 mph.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 77. North northeast wind around 5 mph becoming calm  in the afternoon.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 81. West northwest wind around 6 mph.
Tonight
Increasing clouds, with a low around 62. Light and variable wind.
Sunday
Showers and thunderstorms, mainly after 1pm. Some of the storms could produce heavy rainfall. High near 79. East wind 5 to 13 mph becoming south in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and thunderstorms before 1am, then a chance of showers. Some of the storms could produce heavy rainfall. Low around 64. South wind 9 to 13 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Monday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 74. North wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 57. North wind 5 to 8 mph, with gusts as high as 16 mph.
Tuesday
Sunny, with a high near 77. North northeast wind around 5 mph becoming calm in the afternoon.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
A chance of showers. Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Charleston IL
 39.41°N 88.16°W (Elev. 600 ft)
11:56 am CDT Jun 20, 2026
11am CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

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