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.

Mostly Cloudy

76°F

24°C

Humidity 74%
Wind Speed N 17 G 40 mph
Barometer 29.81 in (1009.1 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 2 Aug 11:53 am CDT
Extended Forecast for

3 Miles SE Greenup IL

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms between 1pm and 3pm. Partly sunny, with a high near 79. North wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    High: 79 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 62. North wind 5 to 13 mph, with gusts as high as 21 mph.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 83. North northeast wind 5 to 7 mph.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Clear, with a low around 62. East wind 3 to 6 mph.

    Low: 62 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83. Light and variable wind.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. Light and variable wind.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Clear
    then Chance
    T-storms

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 30%.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms between 1pm and 3pm. Partly sunny, with a high near 79. North wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 62. North wind 5 to 13 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 83. North northeast wind 5 to 7 mph.
Monday Night
Clear, with a low around 62. East wind 3 to 6 mph.
Tuesday
Sunny, with a high near 83. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 62. Calm wind.
Wednesday
Sunny, with a high near 84. Light and variable wind.
Wednesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 84.
Friday Night
A chance of showers. Partly cloudy, with a low around 67.
Saturday
Partly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Greenup IL
 39.21°N 88.12°W (Elev. 551 ft)
Last Update:
10:40 am CDT Aug 2, 2026
Forecast Valid:
12pm CDT Aug 2, 2026-6pm CDT Aug 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