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

8°F

-13°C

Humidity 83%
Wind Speed N 3 mph
Barometer 30.21 in (1024.3 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Last update 4 Dec 9:53 pm CST
Extended Forecast for

Casey ILSimilar City Names

  • Tonight

    Tonight: Patchy freezing fog. Cloudy early, then becoming partly cloudy, with a low around 9. Light and variable wind.

    Low: 9 °F

    Patchy
    Freezing Fog

  • Friday

    Friday: Sunny, with a high near 31. Calm wind becoming south 5 to 9 mph in the morning.

    High: 31 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 24. Southwest wind 6 to 9 mph, with gusts as high as 15 mph.

    Low: 24 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, with a high near 33. West southwest wind around 6 mph becoming north in the afternoon.

    High: 33 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 24. Light and variable wind becoming east around 6 mph after midnight.

    Low: 24 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain and snow before noon. Mostly cloudy, with a high near 34. East northeast wind 6 to 11 mph becoming north in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 40%.

    High: 34 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 13. North wind 7 to 11 mph, with gusts as high as 17 mph.

    Low: 13 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy freezing fog. Cloudy early, then becoming partly cloudy, with a low around 9. Light and variable wind.
Friday
Sunny, with a high near 31. Calm wind becoming south 5 to 9 mph in the morning.
Friday Night
Increasing clouds, with a low around 24. Southwest wind 6 to 9 mph, with gusts as high as 15 mph.
Saturday
Mostly cloudy, with a high near 33. West southwest wind around 6 mph becoming north in the afternoon.
Saturday Night
Mostly cloudy, with a low around 24. Light and variable wind becoming east around 6 mph after midnight.
Sunday
A chance of rain and snow before noon. Mostly cloudy, with a high near 34. East northeast wind 6 to 11 mph becoming north in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 13. North wind 7 to 11 mph, with gusts as high as 17 mph.
Monday
Mostly sunny, with a high near 27.
Monday Night
Mostly cloudy, with a low around 17.
Tuesday
Partly sunny, with a high near 37.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
A chance of rain. Mostly cloudy, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 19.
Thursday
Partly sunny, with a high near 29.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Casey ILSimilar City Names
 39.3°N 88°W (Elev. 643 ft)
Last Update:
9:36 pm CST Dec 4, 2025
Forecast Valid:
10pm CST Dec 4, 2025-6pm CST Dec 11, 2025
 
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Additional Resources

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Chance of Precipitation