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.

Mostly Cloudy

76°F

24°C

Humidity 58%
Wind Speed SE 3 mph
Barometer 30.08 in (1018.3 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 24 Jul 5:53 pm CDT
Extended Forecast for

2 Miles WNW Mattoon/Charleston, Coles County Memorial Airport IL

  • Tonight

    Tonight: Isolated showers after 2am. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 20%.

    Low: 64 °F

    Mostly Cloudy
    then Isolated
    Showers

  • Saturday

    Saturday: Isolated showers before 1pm. Mostly cloudy, with a high near 82. South wind 3 to 7 mph. Chance of precipitation is 20%.

    High: 82 °F

    Isolated
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68. Light south wind.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 90 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 72. South southwest wind 3 to 6 mph.

    Low: 72 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 93. Southwest wind 7 to 13 mph, with gusts as high as 22 mph.

    High: 93 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 74. Southwest wind 8 to 11 mph becoming west northwest after midnight. Winds could gust as high as 20 mph.

    Low: 74 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

Detailed Forecast

Tonight
Isolated showers after 2am. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 20%.
Saturday
Isolated showers before 1pm. Mostly cloudy, with a high near 82. South wind 3 to 7 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 68. Light south wind.
Sunday
Mostly sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 72. South southwest wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 93. Southwest wind 7 to 13 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 74. Southwest wind 8 to 11 mph becoming west northwest after midnight. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Mostly sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 68.
Friday
Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Mattoon/Charleston, Coles County Memorial Airport IL
 39.49°N 88.33°W (Elev. 712 ft)
Last Update:
5:36 pm CDT Jul 24, 2026
Forecast Valid:
6pm CDT Jul 24, 2026-6pm CDT Jul 31, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation