Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fog/Mist

80°F

27°C

Humidity 94%
Wind Speed Calm
Barometer 29.88 in (1011.3 mb)
Dewpoint 78°F (26°C)
Visibility 4.00 mi
Heat Index86°F (30°C)
Last update 26 Jul 8:53 pm CDT
Extended Forecast for

3 Miles NE Mattoon/Charleston, Coles County Memorial Airport IL

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 10pm.  Mostly cloudy, with a low around 73. Light south wind.

    Low: 73 °F

    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers and thunderstorms between 7am and 11am.  Mostly sunny, with a high near 93. Heat index values as high as 109. South wind 5 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    High: 93 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 75. South southwest wind around 9 mph becoming northwest after midnight. Winds could gust as high as 16 mph.

    Low: 75 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87. North wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. North wind 5 to 10 mph, with gusts as high as 17 mph.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. North wind 6 to 8 mph.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 62. North northeast wind around 6 mph becoming calm  in the evening.

    Low: 62 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 73. Light south wind.
Monday
A slight chance of showers and thunderstorms between 7am and 11am. Mostly sunny, with a high near 93. Heat index values as high as 109. South wind 5 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday Night
Increasing clouds, with a low around 75. South southwest wind around 9 mph becoming northwest after midnight. Winds could gust as high as 16 mph.
Tuesday
Mostly sunny, with a high near 87. North wind 9 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 62. North wind 5 to 10 mph, with gusts as high as 17 mph.
Wednesday
Sunny, with a high near 84. North wind 6 to 8 mph.
Wednesday Night
Clear, with a low around 62. North northeast wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 66.
Friday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 84.
Friday Night
A chance of showers. Mostly cloudy, with a low around 66.
Saturday
A chance of showers. Mostly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
Sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Mattoon/Charleston, Coles County Memorial Airport IL
 39.51°N 88.24°W (Elev. 650 ft)
9:08 pm CDT Jul 26, 2026
9pm CDT Jul 26, 2026-6pm CDT Aug 2, 2026
 
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