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

46°F

8°C

Humidity 77%
Wind Speed W 13 mph
Barometer 30.08 in (1018.7 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 4 Apr 7:53 pm CDT
Extended Forecast for

Greenup IL

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 38. West northwest wind 9 to 14 mph, with gusts as high as 24 mph.

    Low: 38 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 54. West northwest wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 54 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. West southwest wind around 6 mph.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 57. Northwest wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31. Northwest wind around 9 mph becoming north northeast after midnight. Winds could gust as high as 17 mph.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49. East northeast wind 8 to 10 mph, with gusts as high as 17 mph.

    High: 49 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. East wind 5 to 8 mph, with gusts as high as 16 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 38. West northwest wind 9 to 14 mph, with gusts as high as 24 mph.
Sunday
Mostly sunny, with a high near 54. West northwest wind 10 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 38. West southwest wind around 6 mph.
Monday
Sunny, with a high near 57. Northwest wind 7 to 13 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 31. Northwest wind around 9 mph becoming north northeast after midnight. Winds could gust as high as 17 mph.
Tuesday
Mostly sunny, with a high near 49. East northeast wind 8 to 10 mph, with gusts as high as 17 mph.
Tuesday Night
Mostly cloudy, with a low around 36. East wind 5 to 8 mph, with gusts as high as 16 mph.
Wednesday
Partly sunny, with a high near 67.
Wednesday Night
Mostly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Mostly cloudy, with a low around 51.
Friday
Partly sunny, with a high near 72.
Friday Night
A chance of showers. Mostly cloudy, with a low around 53.
Saturday
A chance of showers. Partly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greenup IL
 39.24°N 88.15°W (Elev. 587 ft)
Last Update:
8:27 pm CDT Apr 4, 2026
Forecast Valid:
8pm CDT Apr 4, 2026-6pm CDT Apr 11, 2026
 
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