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Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

73°F

23°C

Humidity 66%
Wind Speed S 9 mph
Barometer 29.87 in (1010.9 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 13 Oct 12:53 am CDT
Extended Forecast for

Greenup IL

  • Overnight

    Overnight: Mostly clear, with a low around 67. Southwest wind around 10 mph, with gusts as high as 18 mph.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93. West southwest wind 9 to 11 mph, with gusts as high as 17 mph.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 5am. Increasing clouds, with a low around 71. South southwest wind 5 to 8 mph, with gusts as high as 15 mph.

    Low: 71 °F

    Mostly Clear
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 4pm. High near 83. Calm wind becoming west around 6 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 83 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Calm wind becoming northeast around 6 mph after midnight. Chance of precipitation is 50%.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 1pm. High near 80. East northeast wind 6 to 8 mph becoming south southwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 53. West southwest wind 7 to 17 mph becoming northwest after midnight. Winds could gust as high as 26 mph.

    Low: 53 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 64. Breezy.

    High: 64 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 67. Southwest wind around 10 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 93. West southwest wind 9 to 11 mph, with gusts as high as 17 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 5am. Increasing clouds, with a low around 71. South southwest wind 5 to 8 mph, with gusts as high as 15 mph.
Wednesday
Showers, with thunderstorms also possible after 4pm. High near 83. Calm wind becoming west around 6 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Calm wind becoming northeast around 6 mph after midnight. Chance of precipitation is 50%.
Thursday
Showers, with thunderstorms also possible after 1pm. High near 80. East northeast wind 6 to 8 mph becoming south southwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 53. West southwest wind 7 to 17 mph becoming northwest after midnight. Winds could gust as high as 26 mph.
Friday
Partly sunny, with a high near 64. Breezy.
Friday Night
Mostly clear, with a low around 38.
Saturday
Sunny, with a high near 62.
Saturday Night
Clear, with a low around 37.
Sunday
Sunny, with a high near 68.
Sunday Night
Mostly clear, with a low around 45.
Monday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greenup IL
 39.24°N 88.15°W (Elev. 587 ft)
Last Update:
12:36 am CDT Oct 13, 2026
Forecast Valid:
1am CDT Oct 13, 2026-6pm CDT Oct 19, 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