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

60°F

16°C

Humidity 26%
Wind Speed Vrbl 3 mph
Barometer 29.99 in (1015.7 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 28 Feb 2:53 pm CST
Extended Forecast for

Greenup IL

  • This Afternoon

    This Afternoon: A 20 percent chance of rain. Mostly cloudy, with a high near 60. East southeast wind around 7 mph.

    High: 60 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 28. North wind 5 to 14 mph, with gusts as high as 22 mph.

    Low: 28 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 43. Northeast wind 10 to 15 mph, with gusts as high as 22 mph.

    High: 43 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 30. East northeast wind 8 to 10 mph, with gusts as high as 17 mph.

    Low: 30 °F

    Chance Snow

  • Monday

    Monday: A chance of rain and snow before 9am, then a chance of rain between 9am and noon. Cloudy, with a high near 42. East wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    High: 42 °F

    Chance
    Rain/Snow
    then Cloudy

  • Monday Night

    Monday Night: Rain, mainly after midnight. Low around 38. Southeast wind 6 to 8 mph, with gusts as high as 17 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Chance Rain
    then Rain

  • Tuesday

    Tuesday: Rain. High near 60. South southwest wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 60 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 52. Chance of precipitation is 90%.

    Low: 52 °F

    Rain

  • Wednesday

    Wednesday: Rain, with thunderstorms also possible after noon. High near 64. Chance of precipitation is 80%.

    High: 64 °F

    Rain

Detailed Forecast

This Afternoon
A 20 percent chance of rain. Mostly cloudy, with a high near 60. East southeast wind around 7 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 28. North wind 5 to 14 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a high near 43. Northeast wind 10 to 15 mph, with gusts as high as 22 mph.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 30. East northeast wind 8 to 10 mph, with gusts as high as 17 mph.
Monday
A chance of rain and snow before 9am, then a chance of rain between 9am and noon. Cloudy, with a high near 42. East wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Monday Night
Rain, mainly after midnight. Low around 38. Southeast wind 6 to 8 mph, with gusts as high as 17 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Rain. High near 60. South southwest wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain. Low around 52. Chance of precipitation is 90%.
Wednesday
Rain, with thunderstorms also possible after noon. High near 64. Chance of precipitation is 80%.
Wednesday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.
Thursday
Rain likely. Mostly cloudy, with a high near 66.
Thursday Night
Rain and thunderstorms likely. Mostly cloudy, with a low around 55.
Friday
Rain likely. Mostly cloudy, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Greenup IL
 39.24°N 88.18°W (Elev. 538 ft)
Last Update:
2:36 pm CST Feb 28, 2026
Forecast Valid:
3pm CST Feb 28, 2026-6pm CST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

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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