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

29°F

-2°C

Humidity 66%
Wind Speed S 10 mph
Barometer 29.88 in (1012.7 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 5 Dec 8:53 pm CST
Extended Forecast for

4 Miles WSW Casey IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 24. South southwest wind 7 to 10 mph, with gusts as high as 17 mph.

    Low: 24 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 34. West wind 5 to 7 mph becoming calm in the afternoon.

    High: 34 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 27. Calm wind becoming southeast 5 to 7 mph after midnight.

    Low: 27 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: A chance of rain and snow before noon. Cloudy, with a high near 36. Southeast wind 7 to 11 mph becoming north in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 50%.

    High: 36 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 17. North wind 8 to 11 mph, with gusts as high as 18 mph.

    Low: 17 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 28. North northeast wind 5 to 8 mph becoming calm in the afternoon.

    High: 28 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 18. Light and variable wind becoming south southwest 8 to 13 mph in the evening. Winds could gust as high as 20 mph.

    Low: 18 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 24. South southwest wind 7 to 10 mph, with gusts as high as 17 mph.
Saturday
Mostly cloudy, with a high near 34. West wind 5 to 7 mph becoming calm in the afternoon.
Saturday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 27. Calm wind becoming southeast 5 to 7 mph after midnight.
Sunday
A chance of rain and snow before noon. Cloudy, with a high near 36. Southeast wind 7 to 11 mph becoming north in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 50%.
Sunday Night
Mostly cloudy, with a low around 17. North wind 8 to 11 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 28. North northeast wind 5 to 8 mph becoming calm in the afternoon.
Monday Night
Partly cloudy, with a low around 18. Light and variable wind becoming south southwest 8 to 13 mph in the evening. Winds could gust as high as 20 mph.
Tuesday
Partly sunny, with a high near 41.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 43.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
Mostly cloudy, with a high near 37.
Thursday Night
Mostly cloudy, with a low around 18.
Friday
Partly sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Casey IL
 39.28°N 88.06°W (Elev. 600 ft)
Last Update:
8:36 pm CST Dec 5, 2025
Forecast Valid:
9pm CST Dec 5, 2025-6pm CST Dec 12, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation