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.

Overcast and Breezy

15°F

-9°C

Humidity 70%
Wind Speed NW 21 mph
Barometer 30.42 in (1031.2 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill-3°F (-19°C)
Last update 23 Feb 1:53 am CST
Extended Forecast for

Mattoon/Charleston, Coles County Memorial Airport IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 16. Wind chill values between 1 and 6. Northwest wind around 17 mph, with gusts as high as 28 mph.

    Low: 16 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 31. Wind chill values between 1 and 11. North northwest wind 10 to 17 mph, with gusts as high as 28 mph.

    High: 31 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 19. Calm wind becoming south 5 to 8 mph after midnight. Winds could gust as high as 15 mph.

    Low: 19 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Increasing clouds, with a high near 43. Breezy, with a south wind 10 to 15 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 43 °F

    Increasing
    Clouds and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 29. South southwest wind 9 to 16 mph becoming west northwest after midnight. Winds could gust as high as 30 mph.

    Low: 29 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45. West northwest wind 5 to 10 mph, with gusts as high as 17 mph.

    High: 45 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 31. Light and variable wind becoming east 5 to 10 mph in the evening. Winds could gust as high as 16 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 31 °F

    Chance Rain
    then Rain
    Likely

  • Thursday

    Thursday: A chance of rain and snow before noon. Partly sunny, with a high near 42. Chance of precipitation is 40%.

    High: 42 °F

    Chance
    Rain/Snow
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 16. Wind chill values between 1 and 6. Northwest wind around 17 mph, with gusts as high as 28 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 31. Wind chill values between 1 and 11. North northwest wind 10 to 17 mph, with gusts as high as 28 mph.
Monday Night
Increasing clouds, with a low around 19. Calm wind becoming south 5 to 8 mph after midnight. Winds could gust as high as 15 mph.
Tuesday
Increasing clouds, with a high near 43. Breezy, with a south wind 10 to 15 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 40 mph.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 29. South southwest wind 9 to 16 mph becoming west northwest after midnight. Winds could gust as high as 30 mph.
Wednesday
Mostly sunny, with a high near 45. West northwest wind 5 to 10 mph, with gusts as high as 17 mph.
Wednesday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 31. Light and variable wind becoming east 5 to 10 mph in the evening. Winds could gust as high as 16 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A chance of rain and snow before noon. Partly sunny, with a high near 42. Chance of precipitation is 40%.
Thursday Night
Mostly clear, with a low around 25.
Friday
Sunny, with a high near 53.
Friday Night
Mostly clear, with a low around 35.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
Mostly cloudy, with a low around 30.
Sunday
A chance of rain and snow. Partly sunny, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mattoon/Charleston, Coles County Memorial Airport IL
 39.46°N 88.28°W (Elev. 679 ft)
Last Update:
12:36 am CST Feb 23, 2026
Forecast Valid:
2am CST Feb 23, 2026-6pm CST Mar 1, 2026
 
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Additional Resources

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