National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fog/Mist

73°F

23°C

Humidity 94%
Wind Speed S 8 mph
Barometer 30.14 in (1020.2 mb)
Dewpoint 71°F (22°C)
Visibility 6.00 mi
Last update 6 Aug 11:53 am CDT
Extended Forecast for

Greenup IL

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms, mainly before 3pm. Cloudy, with a high near 81. South southwest wind around 7 mph.

    High: 81 °F

    Chance
    Showers

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 68. Calm wind becoming south around 5 mph after midnight.

    Low: 68 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 86. South southeast wind 5 to 8 mph becoming southwest in the afternoon. Chance of precipitation is 30%.

    High: 86 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Southwest wind 3 to 6 mph. Chance of precipitation is 50%.

    Low: 69 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 86. West wind around 6 mph.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 87. South wind 5 to 9 mph, with gusts as high as 15 mph.

    High: 87 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms, mainly before 3pm. Cloudy, with a high near 81. South southwest wind around 7 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 68. Calm wind becoming south around 5 mph after midnight.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 86. South southeast wind 5 to 8 mph becoming southwest in the afternoon. Chance of precipitation is 30%.
Friday Night
A chance of showers between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Southwest wind 3 to 6 mph. Chance of precipitation is 50%.
Saturday
Mostly sunny, with a high near 86. West wind around 6 mph.
Saturday Night
Mostly clear, with a low around 68. Calm wind.
Sunday
Mostly sunny, with a high near 87. South wind 5 to 9 mph, with gusts as high as 15 mph.
Sunday Night
Partly cloudy, with a low around 72.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 73.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Tuesday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 70.
Wednesday
Showers likely. Partly sunny, with a high near 83.
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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:
10:36 am CDT Aug 6, 2026
Forecast Valid:
12pm CDT Aug 6, 2026-6pm CDT Aug 12, 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