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.

Fog/Mist

20°F

-7°C

Humidity 85%
Wind Speed N 5 mph
Barometer 30.25 in (1025.4 mb)
Dewpoint 16°F (-9°C)
Visibility 5.00 mi
Wind Chill13°F (-11°C)
Last update 3 Feb 7:53 pm CST
Extended Forecast for

Greenup IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 16. North northeast wind 7 to 9 mph, with gusts as high as 18 mph.

    Low: 16 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 26. North northeast wind 6 to 10 mph, with gusts as high as 17 mph.

    High: 26 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 10. Light and variable wind.

    Low: 10 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 30. Light south southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 17 mph.

    High: 30 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 25. South wind 7 to 9 mph becoming west after midnight. Winds could gust as high as 21 mph.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 41. West wind 10 to 16 mph becoming north northwest in the afternoon. Winds could gust as high as 26 mph.

    High: 41 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20. North northwest wind 5 to 10 mph becoming northeast after midnight. Winds could gust as high as 20 mph.

    Low: 20 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 32.

    High: 32 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 16. North northeast wind 7 to 9 mph, with gusts as high as 18 mph.
Wednesday
Partly sunny, with a high near 26. North northeast wind 6 to 10 mph, with gusts as high as 17 mph.
Wednesday Night
Partly cloudy, with a low around 10. Light and variable wind.
Thursday
Mostly cloudy, with a high near 30. Light south southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 17 mph.
Thursday Night
Partly cloudy, with a low around 25. South wind 7 to 9 mph becoming west after midnight. Winds could gust as high as 21 mph.
Friday
Partly sunny, with a high near 41. West wind 10 to 16 mph becoming north northwest in the afternoon. Winds could gust as high as 26 mph.
Friday Night
Mostly cloudy, with a low around 20. North northwest wind 5 to 10 mph becoming northeast after midnight. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 32.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
Partly sunny, with a high near 37.
Sunday Night
Partly cloudy, with a low around 20.
Monday
Mostly sunny, with a high near 40.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
Partly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greenup IL
 39.24°N 88.18°W (Elev. 538 ft)
Last Update:
8:08 pm CST Feb 3, 2026
Forecast Valid:
8pm CST Feb 3, 2026-6pm CST Feb 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation