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.

Fair

79°F

26°C

Humidity 88%
Wind Speed S 9 mph
Barometer 30.01 in (1015.6 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 19 Aug 12:53 am CDT
Extended Forecast for

4 Miles E Greenup IL

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms after 3am. Mostly clear, with a low around 74. South wind around 6 mph.

    Low: 74 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. Heat index values as high as 101. South wind 5 to 8 mph becoming west in the afternoon.

    High: 90 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. Calm wind becoming north around 5 mph after midnight.

    Low: 71 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Partly sunny, with a high near 84. North northeast wind 6 to 10 mph, with gusts as high as 15 mph.

    High: 84 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67. North northeast wind 6 to 9 mph, with gusts as high as 15 mph.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 86. Northeast wind 6 to 9 mph.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. North northeast wind around 6 mph.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms after 3am. Mostly clear, with a low around 74. South wind around 6 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. Heat index values as high as 101. South wind 5 to 8 mph becoming west in the afternoon.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. Calm wind becoming north around 5 mph after midnight.
Wednesday
Partly sunny, with a high near 84. North northeast wind 6 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Partly cloudy, with a low around 67. North northeast wind 6 to 9 mph, with gusts as high as 15 mph.
Thursday
Mostly sunny, with a high near 86. Northeast wind 6 to 9 mph.
Thursday Night
Mostly clear, with a low around 65. North northeast wind around 6 mph.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 65.
Saturday
Sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Greenup IL
 39.26°N 88.09°W (Elev. 551 ft)
Last Update:
12:40 am CDT Aug 19, 2025
Forecast Valid:
12am CDT Aug 19, 2025-6pm CDT Aug 25, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation