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Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

86°F

30°C

Humidity 63%
Wind Speed SE 10 mph
Barometer 30.08 in (1017.7 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 29 Jul 10:53 am CDT
Extended Forecast for

Mattoon/Charleston, Coles County Memorial Airport IL

Heat Advisory July 29, 12:00pm until July 29, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny, with a high near 92. North wind 3 to 6 mph.

    High: 92 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 74. Light and variable wind.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Northeast wind 3 to 6 mph.

    High: 90 °F

    Sunny then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Northeast wind around 6 mph.

    Low: 69 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then a chance of showers after 1pm. Mostly cloudy, with a high near 77. North northeast wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 77 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 62. North northeast wind 9 to 11 mph, with gusts as high as 18 mph.

    Low: 62 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 76. Northeast wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 76 °F

    Sunny

  • Friday Night

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

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 92. North wind 3 to 6 mph.
Tonight
Mostly clear, with a low around 74. Light and variable wind.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Northeast wind 3 to 6 mph.
Wednesday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Northeast wind around 6 mph.
Thursday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then a chance of showers after 1pm. Mostly cloudy, with a high near 77. North northeast wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 62. North northeast wind 9 to 11 mph, with gusts as high as 18 mph.
Friday
Sunny, with a high near 76. Northeast wind 10 to 13 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 64.
Monday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mattoon/Charleston, Coles County Memorial Airport IL
 39.49°N 88.27°W (Elev. 696 ft)
Last Update:
10:41 am CDT Jul 29, 2025
Forecast Valid:
10am CDT Jul 29, 2025-6pm CDT Aug 4, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation