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

74°F

23°C

Humidity 79%
Wind Speed SW 8 mph
Barometer 29.90 in (1011.8 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 7 Jun 1:53 am CDT
Extended Forecast for

Greenup IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 70. Light south southwest wind.

    Low: 70 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 87. Calm wind becoming south southeast 5 to 8 mph in the afternoon.

    High: 87 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 71. South southeast wind around 7 mph, with gusts as high as 15 mph.

    Low: 71 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after 10am. High near 84. South wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 84 °F

    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 71. South wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 71 °F

    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. South southwest wind 6 to 8 mph.

    High: 87 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 72. South wind around 7 mph, with gusts as high as 15 mph.

    Low: 72 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 70. Light south southwest wind.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 87. Calm wind becoming south southeast 5 to 8 mph in the afternoon.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 71. South southeast wind around 7 mph, with gusts as high as 15 mph.
Monday
Showers likely, then showers and possibly a thunderstorm after 10am. High near 84. South wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 71. South wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. South southwest wind 6 to 8 mph.
Tuesday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 72. South wind around 7 mph, with gusts as high as 15 mph.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90.
Thursday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 71.
Friday
Mostly sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 67.
Saturday
Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Greenup IL
 39.24°N 88.15°W (Elev. 587 ft)
Last Update:
1:51 am CDT Jun 7, 2026
Forecast Valid:
2am CDT Jun 7, 2026-6pm CDT Jun 13, 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