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

Mattoon/Charleston, Coles County Memorial Airport 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. Northwest wind around 7 mph, with gusts as high as 15 mph.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 62. North northwest wind around 5 mph becoming calm  in the evening.

    Low: 62 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Showers and thunderstorms, mainly after 1pm. Some of the storms could produce heavy rainfall.  High near 78. East southeast wind 6 to 14 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 78 °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 10 to 14 mph becoming west after midnight. Winds could gust as high as 24 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 73. North wind around 11 mph, with gusts as high as 20 mph.

    High: 73 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56. North wind 6 to 9 mph, with gusts as high as 16 mph.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 77. North northeast wind 3 to 5 mph.

    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. Northwest wind around 7 mph, with gusts as high as 15 mph.
Tonight
Increasing clouds, with a low around 62. North northwest wind around 5 mph becoming calm in the evening.
Sunday
Showers and thunderstorms, mainly after 1pm. Some of the storms could produce heavy rainfall. High near 78. East southeast wind 6 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters 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 10 to 14 mph becoming west after midnight. Winds could gust as high as 24 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 73. North wind around 11 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 56. North wind 6 to 9 mph, with gusts as high as 16 mph.
Tuesday
Sunny, with a high near 77. North northeast wind 3 to 5 mph.
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
Mostly sunny, with a high near 77.
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:
Mattoon/Charleston, Coles County Memorial Airport IL
 39.46°N 88.28°W (Elev. 679 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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