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.

Light Rain Fog/Mist

41°F

5°C

Humidity 96%
Wind Speed SE 5 mph
Barometer 29.97 in (1015.4 mb)
Dewpoint 40°F (4°C)
Visibility 4.00 mi
Wind Chill38°F (3°C)
Last update 14 Feb 4:53 pm CST
Extended Forecast for

Greenup IL

  • This Afternoon

    This Afternoon: Rain. High near 50. South southeast wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Rain

  • Tonight

    Tonight: Rain, mainly before 5am. Low around 42. East southeast wind 6 to 8 mph becoming northeast after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 42 °F

    Rain

  • Sunday

    Sunday: A 30 percent chance of rain, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 56. Northeast wind 6 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 17 mph.

    High: 56 °F

    Chance Rain
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. Light and variable wind.

    Low: 36 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 58. Light south southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 16 mph.

    High: 58 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41. South wind around 6 mph.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 60. South wind 6 to 15 mph, with gusts as high as 24 mph.

    High: 60 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 55. Breezy.

    Low: 55 °F

    Cloudy then
    Mostly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68. Breezy.

    High: 68 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

This Afternoon
Rain. High near 50. South southeast wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly before 5am. Low around 42. East southeast wind 6 to 8 mph becoming northeast after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
A 30 percent chance of rain, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 56. Northeast wind 6 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 17 mph.
Sunday Night
Mostly clear, with a low around 36. Light and variable wind.
Washington's Birthday
Partly sunny, with a high near 58. Light south southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 16 mph.
Monday Night
Mostly cloudy, with a low around 41. South wind around 6 mph.
Tuesday
Mostly cloudy, with a high near 60. South wind 6 to 15 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly cloudy, with a low around 55. Breezy.
Wednesday
Mostly sunny, with a high near 68. Breezy.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
A chance of rain. Mostly sunny, with a high near 65.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 39.
Friday
Partly sunny, with a high near 52.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Partly sunny, with a high near 46.
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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:
4:42 pm CST Feb 14, 2026
Forecast Valid:
5pm CST Feb 14, 2026-6pm CST Feb 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation