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

27°F

-3°C

Humidity 92%
Wind Speed SE 3 mph
Barometer 30.23 in (1024.4 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 13 Feb 1:53 am CST
Extended Forecast for

Greenup IL

  • Overnight

    Overnight: Mostly clear, with a low around 26. Light east southeast wind.

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 54. Light southeast wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 17 mph.

    High: 54 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 33. South wind 3 to 6 mph.

    Low: 33 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 40 percent chance of rain after noon. Cloudy, with a high near 51. Calm wind becoming south around 6 mph in the afternoon.

    High: 51 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 42. East southeast wind 5 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 42 °F

    Rain

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 55. East northeast wind 6 to 9 mph, with gusts as high as 15 mph.

    High: 55 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. North northeast wind around 5 mph becoming calm in the evening.

    Low: 36 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 26. Light east southeast wind.
Friday
Sunny, with a high near 54. Light southeast wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 17 mph.
Friday Night
Increasing clouds, with a low around 33. South wind 3 to 6 mph.
Saturday
A 40 percent chance of rain after noon. Cloudy, with a high near 51. Calm wind becoming south around 6 mph in the afternoon.
Saturday Night
Rain. Low around 42. East southeast wind 5 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 55. East northeast wind 6 to 9 mph, with gusts as high as 15 mph.
Sunday Night
Mostly clear, with a low around 36. North northeast wind around 5 mph becoming calm in the evening.
Washington's Birthday
Partly sunny, with a high near 57.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
Mostly cloudy, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
Partly sunny, with a high near 67. Breezy.
Wednesday Night
Mostly cloudy, with a low around 45.
Thursday
Partly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greenup IL
 39.24°N 88.18°W (Elev. 538 ft)
Last Update:
12:51 am CST Feb 13, 2026
Forecast Valid:
2am CST Feb 13, 2026-6pm CST Feb 19, 2026
 
Forecast Discussion
 
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Additional Resources

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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