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.

Partly Cloudy

69°F

21°C

Humidity 76%
Wind Speed S 5 mph
Barometer 30.02 in (1016.0 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 19 Jun 9:53 pm CDT
Extended Forecast for

Greenup IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82. West northwest wind 3 to 7 mph.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 63. Light and variable wind.

    Low: 63 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of showers between 7am and 1pm, then showers and thunderstorms after 1pm. High near 80. South southeast wind 5 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 80 °F

    Chance
    Showers then
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm after 1am. Low around 65. South southwest wind 11 to 14 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 65 °F

    T-storms

  • Monday

    Monday: Mostly cloudy, with a high near 76. North wind around 11 mph, with gusts as high as 20 mph.

    High: 76 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57. North northeast wind 6 to 10 mph, with gusts as high as 17 mph.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 64. Calm wind.
Saturday
Mostly sunny, with a high near 82. West northwest wind 3 to 7 mph.
Saturday Night
Increasing clouds, with a low around 63. Light and variable wind.
Sunday
A chance of showers between 7am and 1pm, then showers and thunderstorms after 1pm. High near 80. South southeast wind 5 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm after 1am. Low around 65. South southwest wind 11 to 14 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Monday
Mostly cloudy, with a high near 76. North wind around 11 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 57. North northeast wind 6 to 10 mph, with gusts as high as 17 mph.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
A chance of showers. Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Greenup IL
 39.26°N 88.17°W (Elev. 541 ft)
Last Update:
10:16 pm CDT Jun 19, 2026
Forecast Valid:
10pm CDT Jun 19, 2026-6pm CDT Jun 26, 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