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

26°F

-3°C

Humidity 84%
Wind Speed NW 8 mph
Barometer 30.02 in (1017.4 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 21 Feb 12:53 am CST
Extended Forecast for

Mattoon IL

  • Overnight

    Overnight: Mostly clear, with a low around 26. Northwest wind around 7 mph, with gusts as high as 15 mph.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of flurries, mixing with sprinkles after noon, then gradually ending. Increasing clouds, with a high near 37. Northwest wind 7 to 13 mph, with gusts as high as 18 mph.

    High: 37 °F

    Partly Sunny
    then Chance
    Sprinkles/Flurries

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 20. Northwest wind 10 to 17 mph, with gusts as high as 28 mph.

    Low: 20 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 29. Wind chill values between 5 and 15. Blustery, with a northwest wind 17 to 21 mph, with gusts as high as 34 mph.

    High: 29 °F

    Partly Sunny
    and Blustery

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 17. Northwest wind around 17 mph, with gusts as high as 28 mph.

    Low: 17 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 31. North northwest wind 8 to 17 mph, with gusts as high as 28 mph.

    High: 31 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 18. Northwest wind around 6 mph becoming light and variable.

    Low: 18 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 26. Northwest wind around 7 mph, with gusts as high as 15 mph.
Saturday
A chance of flurries, mixing with sprinkles after noon, then gradually ending. Increasing clouds, with a high near 37. Northwest wind 7 to 13 mph, with gusts as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 20. Northwest wind 10 to 17 mph, with gusts as high as 28 mph.
Sunday
Partly sunny, with a high near 29. Wind chill values between 5 and 15. Blustery, with a northwest wind 17 to 21 mph, with gusts as high as 34 mph.
Sunday Night
Mostly cloudy, with a low around 17. Northwest wind around 17 mph, with gusts as high as 28 mph.
Monday
Sunny, with a high near 31. North northwest wind 8 to 17 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 18. Northwest wind around 6 mph becoming light and variable.
Tuesday
Partly sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Partly sunny, with a high near 55.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 48.
Thursday Night
Mostly clear, with a low around 28.
Friday
Sunny, with a high near 55.
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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:
12:59 am CST Feb 21, 2026
Forecast Valid:
1am CST Feb 21, 2026-6pm CST Feb 27, 2026
 
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Additional Resources

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Chance of Precipitation