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

31°F

-1°C

Humidity 64%
Wind Speed N 9 mph
Barometer 29.93 in (1014.3 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 2 Jan 11:53 am CST
Extended Forecast for

Greenup IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 35. North northeast wind 6 to 8 mph.

    High: 35 °F

    Mostly Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 26. Northeast wind around 7 mph.

    Low: 26 °F

    Cloudy

  • Saturday

    Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 38. Northeast wind around 7 mph.

    High: 38 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 21. Light north northwest wind.

    Low: 21 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 36. Light and variable wind.

    High: 36 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 27. South southeast wind 3 to 8 mph. Winds could gust as high as 16 mph.

    Low: 27 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 51. South southwest wind 7 to 11 mph, with gusts as high as 17 mph.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 35. North northeast wind 6 to 8 mph.
Tonight
Cloudy, with a low around 26. Northeast wind around 7 mph.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 38. Northeast wind around 7 mph.
Saturday Night
Mostly clear, with a low around 21. Light north northwest wind.
Sunday
Increasing clouds, with a high near 36. Light and variable wind.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 27. South southeast wind 3 to 8 mph. Winds could gust as high as 16 mph.
Monday
Sunny, with a high near 51. South southwest wind 7 to 11 mph, with gusts as high as 17 mph.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Partly sunny, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 56.
Wednesday Night
Mostly cloudy, with a low around 43.
Thursday
A chance of rain. Mostly cloudy, with a high near 59.
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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:
12:36 pm CST Jan 2, 2026
Forecast Valid:
12pm CST Jan 2, 2026-6pm CST Jan 8, 2026
 
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