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.

Fair

56°F

13°C

Humidity 72%
Wind Speed NE 7 mph
Barometer 29.92 in (1012.8 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 20 Mar 11:53 pm CDT
Extended Forecast for

Mattoon IL

  • Overnight

    Overnight: Partly cloudy, with a low around 47. East wind around 7 mph.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 76. East wind 6 to 8 mph becoming southwest in the afternoon.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59. South southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 81. South southwest wind 11 to 16 mph becoming west northwest in the afternoon. Winds could gust as high as 26 mph.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 35. North wind 15 to 18 mph, with gusts as high as 30 mph.

    Low: 35 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 52. North wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 52 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35. North northeast wind around 6 mph becoming east southeast after midnight.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 47. East wind around 7 mph.
Saturday
Sunny, with a high near 76. East wind 6 to 8 mph becoming southwest in the afternoon.
Saturday Night
Mostly clear, with a low around 59. South southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday
Mostly sunny, with a high near 81. South southwest wind 11 to 16 mph becoming west northwest in the afternoon. Winds could gust as high as 26 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 35. North wind 15 to 18 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 52. North wind 9 to 13 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 35. North northeast wind around 6 mph becoming east southeast after midnight.
Tuesday
Partly sunny, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Mostly cloudy, with a high near 59.
Wednesday Night
Mostly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 38.
Friday
Partly sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mattoon IL
 39.49°N 88.36°W (Elev. 722 ft)
Last Update:
11:41 pm CDT Mar 20, 2026
Forecast Valid:
12am CDT Mar 21, 2026-6pm CDT Mar 27, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation