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

23°F

-5°C

Humidity 92%
Wind Speed NW 7 mph
Barometer 29.86 in (1012.1 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 2 Jan 1:53 am CST
Extended Forecast for

Mattoon/Charleston, Coles County Memorial Airport IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 24. North northwest wind around 5 mph.

    Low: 24 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 33. North northeast wind 3 to 7 mph.

    High: 33 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Cloudy, with a low around 23. Northeast wind 5 to 7 mph.

    Low: 23 °F

    Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 37. Northeast wind around 6 mph becoming north northwest in the afternoon.

    High: 37 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 19. Light north northwest wind.

    Low: 19 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 36. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 36 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28. South southeast wind 5 to 11 mph, with gusts as high as 21 mph.

    Low: 28 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 24. North northwest wind around 5 mph.
Friday
Mostly cloudy, with a high near 33. North northeast wind 3 to 7 mph.
Friday Night
Cloudy, with a low around 23. Northeast wind 5 to 7 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 37. Northeast wind around 6 mph becoming north northwest in the afternoon.
Saturday Night
Mostly clear, with a low around 19. Light north northwest wind.
Sunday
Increasing clouds, with a high near 36. Calm wind becoming south southeast around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 28. South southeast wind 5 to 11 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 50.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
Partly sunny, with a high near 55.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 54.
Wednesday Night
Mostly cloudy, with a low around 39.
Thursday
A chance of rain. Mostly cloudy, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Mattoon/Charleston, Coles County Memorial Airport IL
 39.51°N 88.27°W (Elev. 656 ft)
Last Update:
1:36 am CST Jan 2, 2026
Forecast Valid:
2am CST Jan 2, 2026-6pm CST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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