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.

Mostly Cloudy

80°F

27°C

Humidity 74%
Wind Speed SW 3 mph
Barometer 29.92 in (1012.5 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 19 Aug 3:53 pm CDT
Extended Forecast for

2 Miles S Greenup IL

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82. West southwest wind around 5 mph.

    High: 82 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 2am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 82. North northeast wind 3 to 6 mph.

    High: 82 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 63. North northeast wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 84. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. Light west wind.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 83. Light west wind becoming northwest 5 to 9 mph in the morning. Winds could gust as high as 16 mph.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82. West southwest wind around 5 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 2am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 67. Calm wind.
Thursday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 82. North northeast wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 63. North northeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 84. Calm wind becoming west northwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 64. Light west wind.
Saturday
Mostly sunny, with a high near 83. Light west wind becoming northwest 5 to 9 mph in the morning. Winds could gust as high as 16 mph.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Greenup IL
 39.21°N 88.15°W (Elev. 558 ft)
Last Update:
4:36 pm CDT Aug 19, 2026
Forecast Valid:
4pm CDT Aug 19, 2026-6pm CDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation